I Nl'I.]RNATIONA]- SIJBCOMM]SSTON ON J t I RASSI'] STR ATICR APHY

Nnwsr,Brrnn N" 25

Urbino, Novemb€r 1997

A SUBCOMMISSION OF THE IN'EFNANOML tJNroN oF GEOLOG|CAL SCtEflCES (',r,J,G_§_) NewslsrrER N" 25

llrtin. Nolember lqST

Chaiman: Prct Giulio P^vh - UDivesityofTurin,Itlly

Sccretalr Dr. lrbizio CEccs - UniveNiry of Urbino, ldy

(*

A SUBCOMMIS§ION OF ]HE IN'ERNATIOML IJNION OF GCOLOGICAL §CIEfiCES (.U,G.S,) NI]WSLETIIR N 25 I

5

1.1 Coft nt satus olGSSPS propositiotr/pGp.flion 1.2 Anlici!itcd work.plan for rhe püiod 1993.2000

2 Definition olthe Aalcnian Bxlocian Sragc boundary (Pxvi. & Emy)

3 Rcviscd euideLines rü üe e§ülishnonr ofElobal chrono§rarigr pli. n.n,ldds b) rhe Inreinaxonal Cotumhsion on stiati$aphy (Ics) (Rcnmc ct al )

4 T a$ic/Ju.assic Ilouidfuf WG :)

4. I Reporr by dre Secrehry (G. war.ingron) 22 4.2. New obsnations on the amoDite tiunas near the base ofdrc Jumsi. inBrir.in a pßllminary note ByC.Bloos & K. N. Pagc 25

5 Jura$i. Staxe Boundary WOs

s.l. Hetan8ian-sinemudan B\rG (Bloos G.) 32 5.2. Sinemurian-Pliensbehian BWC (Meisler C ) 5 l. Tomid-Aalonian BWG (Crsla S ) 5.4. Bajsid-Baüonim Bwc (Mangold c.) 5.5. Callovim-Oxrordid BwG (Melendez G.) 43 5.5.l.oxlodimMeetingInPoland,26-28May 1997 by closniak E,, Matyla B 4., Poulsen N. E..wierzbovski A. 5.6. Oxfordian-Kimeridgian BWC (Artups F ) 5 7. Kimoridg.n-Tithonian BWC (Caca F.)

6 ,urssic Themalic Working Groups 5t

6.1. Se,luence StEtiE6phy 52 6.1.1. l* Cncukr 52 6.1.2. Newsletler n'l 52 6.2. Jura$ic Micßfosil Orcup 59

'1 Upnated Diecrory oi üe Isrs 6t

3 65

3.1. 5tll Intemationel Symposium on the ,urssic Sysem, 2nd Circultr 3.2. STRATI 201)0, 2nd FEnch Synposiuh on Snatiglaphy, lsr Ctrcultu 3.3. 51h Synposium "Cephalopods P@nl and P6f , Ist CiEulü 8.4. Infomadon on olher SyhDosia CHAIRMAN S EDTIORIAI-

1hc 25rh Ncwde!.r of rh. ISJS tfrlscnts the lccrsion lor rhc ncr ChdLmrtr t) ,'l Ie prnF \o1."0..' ".Lb.ornr.o1 \r.'b.'.4o.\.no' Ci....r.o re; 'o Fc er I .., n:..r.r eruE,..i Loo6...ol ..eL il. 7 ri,.Pa\^- r,cc;'",1 D'.1\',.o- ^\' '''\'. o.',.,d r lr o. g,, , o.o 1i nnlo) '' .\ un ndi odfl o nmi. m\.rn o,1"..,.ro iuF,dtr''l o'bli.x.ol .e Conlenoß olßc diffcrentWorking GrouPs The conmnnncnl is both t! keep on (ilhAurumn . .. e\D'1 or- r l_ _J 'P ol L, \'"1. ..r J' . cnLic ' 4.1 ..d,nr;cL D.,.!r. " jo oird ro ,. r,d. o|on''h''io''er' ' .g d' y iniria(ircde ifgRith ISJS inteLe$\'.

Thc fißt oliicial oulgoing ofth3 Snbcormission is rhc 5!i Synposiuü olthelurasic Sy§em, thaiNillbe held in v;ncouvcr, canadl, Ausu$ l998, rhrough rhö orsmisation by Paul SMlm, cadadirtr and Noth-Ane can collabontoß Gee details in rhis papc4 The co!3res had been dEd"..'.'.Ern_ l"rxry l-.'.o.oinh-'ioi.h"ld.1loo4aiv'ldod.4lA.ii. '.eerrsol h_me_:13.norrumPcsdo" de s'-eD'.u'-.oklrp\ro.r."ndo _ ( . ^" ts;".,1".i r';, ..,d .e'c!on- or r0 e !l-o-!e d1 JeJ uoon )'l c oooo'' 1n1 .o!o, Dp, rc' j i I ro .rro,r ol're'' Frn P".rl.. ld6.;. i F - öl trr'. I (e.io''eJ' PdaEon'd.,)r'rc J."i'.b 1.\ ol r3- oi, .ol.RCJ+ lo.'hr J.g1' rio' o lr Sv' po'i' 1 Lie'mD;, o I \ ro'..' c.he.uqqe.r'or o. Inc p4. cha.m'n o', sy' po. ua L l) b-.dr', \',, i d..Di", I o"-..sl d' . i'F . I I opc rtrd'ne pß'en.e oro td"re. l rnJnl \! n rnd.ol.bo-tro ' io. hetu r\.\ be dEe"ndI";rol-e! n.d "D.eP iI'i'

th-' o.' oß..i s r p'r 1'ior ol'he l.lc r oß.he long rn p oB .,Te io' -c o.(.nrror. oI rhe boundd .rsro,lr_q \CssPr oi d/ J,",. oh ro' {bje. rhe I' J I ai' un.h:p'pcnr'o n"n\ ro d m.r".;d d'1. con & . -il- a. üC corenor.'h.. " wo ld zpp"d'nü." Ll r.n;mr\b oonnsrro. ',aar\olr.kn:o o' .ü. , r olmrn er.r rhar l's. br' "{'i,.d a"q al,j o\e. by.,e lur r il''orq, rF h § pdnicrla.) .fr.''\" pübbl!dro1ol.\_'_r C dr'p. r\e- craprcr I OnrnrorT'nrlorn"irenrionoi'l' UCSro ri.o')_e .rl-i.,o.L,befl.e. t 4...ormooc.hrg'h"led r b'oü tru.emorco 'ß Erkeß of cssP§ Ioci dd io cßure Drotection'{"w dd free-aees b üe sel*ted serioi!. In fact, most subcohnissions being lale i. rhis opeation,lhe siluation fot üe Iur.sic is not so b ad i f se look at the schcdule attached in the followinE pages ( I 2 Anticipaitd work_ üld wc rn a po.n:on tu rh. CS5P oi rh. Bäjo.ir DLn 1998 )OOO). Il Daar , d rn\:l_Eed 'ocb.scc 5rase h.d b-.n rdrlied drnnP't. ll .s mee"ne, Br:i E I h"p.er 2\. Tt . -uc:6dul co} ! .'on r DoxNi bs,ü{ ue m bo.h rhe on'v s '. .he Meo/oi' -,rd'. o,o m'" Eor rp,le fr,r .ep, ind u.la'e t1e erDerien'b.om*rc1of .'o '.m our rlc lledrled - 1le Wo,.,ns Crouo con,eno. o. ealh rase rln..,Et-, r-n-'. r.ru".tJ s"ge bounos W c 'r j. rhcre.ore sulnr ü. ..eo ro D.y hr ber ro rhcr o*n soäl Pd.J-;erloa\lvebbede'o"droüc lnasr.-J'r,r' üS§P."''en'ion )to..p-opo.alwm.ro be nDc lor ocrnE !bn r.ed 'o tne subtooNslon. fte Gca.ion of'1" Norh_Amerr.cn S\m;o:un.ouli b'der.r',mdn.y,ter +e rr.d_rp ro rieNer Yo'. (rron 1Ne\ad.. qho,e e.rio, . amona rh- oor-.r.r lddiJJ'e, fo rM d.rrln'on of rhe T J CssP. T\r SvmDo rm,\outd bc.Lo I : oi r.ron.o dscus. rhr f ,@o. J. fo, O,tordhn d d p- trp.. a;|.;'rn Rrthonirdd KmmeridsirnossPs \\' n \u-h o.-\bccu\e\. r-,. $o1n,o Ecal. he rdin ro'n'. ol'l c proledn" in ,o r rrne rne p:or;o-.. a .,- d) fofl ed ou( oy rne pc .hrin tu - fd d rnc'ek.'on l)sedn x wirlEur brcaks ai rhc boundary aDddocumcn(cd by d{rccc$ionofEunte lnsiL\ iir rhc beds belo* rnd aborc $e hound.ryi 2 oo...Lr ryp.r! -'noü' oo!on.reip''rob'oor.q'ill..'.c.nI .J i l.' Dos .b-e d' ^ .i "J l. onF u rn eleine'! r.crl fo r J_ , 1r., i. r' r,ürl-,r.s4.,..qr:.ro'n 'lt ' /' " .r .nd orhcr scal; coüeLrli.n rools likc ntgneloch'otroLo3),'6'rf.'l_i j§obIe nrdlisrrphv. aio n o;d hi r l.o.- $ C. r. , e I oral db.lo.orrn. ._'r" I ccco, .d. oola . J !D.e l'i .'j1.. .e.. ),t. ne on,ha r,nJ n,ooo,xl wnb' i l\S,loi'l.cr$\e'_fio'.d'rcP trolrj( q.ocor..jor i .',. \ 1 p-. oen be'. o he r. It "'.o ; ?;finr ;r ncir'on b! the rucscomm t( q.o.omi.' aor'd Be.de rn. n,in !or..'t" 01, d1 r ". o o.hei r'r.' . l0' ü' e'l r rtreh'r,r ! :lao-,*or.r l._l\"'."d'nMer i d 1994 lamd*o.v.ön\in.'.dr'dur.rrlnotr.rJ..onrlri...l..ebe.ndr'prrr'l...ed'or.' tr ,no rerre. ä. anmont.npl. ..1d .1'oro '' iE'dpn' l'r. emen '\r q\-' .i,-, on mo rmo'. ' r n0'e b bi J.vo co ro a' nunr "'c,.'' rrlo d Nrrbl" N"! ca;doLb|ld e. tdc been znd J'l'm.he sroJnd h ? en."' I x'l 8cctuonolos.' "m. krp.rng ro " cS'd_ dd r \.: nc rh' m_n b'' -h emenr . n"\enndc.. o',e'dr...p,ine d " 'S om D . m pAy r.'c mo. .rp,op'...e ,t."- 'o. to t ll I .ca. r ol l._ ' ol he r.U "-. 'c ....; . ha.m"n. .p. iy !mm, n'ohs' /r .. l_NA',Pavla "r''' -.n,{,ortue.r O' \ice rh".mn -hms np \ -nJ ß o f" "d bv rhe ol i'ao Doilhl Gl\ rsol a..le .' rc birior o' a e seorn e s'r's.pl \ w' ..'.c rl) re..n' hJ ,rm.iq-. sri.l.o ". ' The .eed to open a ne* spacc Nithin ISJS to intedacnlg disciplinss is highlighrcd bv rhe nerr.rb5ic )hoo.'r a' v;n ourcr tre .'ua. v io.n il i j reft t ;$.cm" s_qr" .. J musrrnl'l-."il - rr 5!aLe". I.3'e_' o n L'\ q.r\ ii meer.nsDld'urar ßro.Gr r\_opiorün.rr bsoolfl''.1'onLo'ubmrl'o\r dl,nlpÜrcrJJ .ont-o-uirons. roqr.m.."i; A"J r" rLe p.Leob'olos.: -.p.'' r.c conccrned. rhe o,.Lron .oJ'd be'noli.s,aqel. :u.rdb.c ro ie' o .pn''c u o ]Jr E 3ro,l' Fb t"' oJ.oooranr,lollosirev hd hs.b_el ndoe oy the rniomal Ju vr.i!iosJ ^"G'o.P i"t" LJ.e,^ ;ofl ,he.m'd m,onotDonmHIL"no^tLPor,'.'c \ r l'_p.n niü'ncneorogoo' .',1 ard.oirelz'or .h,'r.,'oned.iferen'J'"101'nar].'erdI't'bo_Ldil"(1.gnrp!).ngflo_.ioroo' on n o+c-woid' ir r ro' roo fr h. rrnc shen *e *.'d m d ßr#d 'Laus'rDhv.-.ndjoo ü: &'d: rror asa\'r a. dd.d prcsraru _ o' CSSI. o..rn.rron, th, moqlv d.al' r15 .s;,ns our wel!.jüblished o'or4ß: and tre -il 'o.ü. our Jrlenuon on orl1c'rÜ8es. me,todolosica.lv dä.v:d |-om roe iormer,,u.\ d. ü. rnresrate xdiS',P\v Nosl\sr"or;eno"r dins s'l k nds of rcießne s.äle. med Efrnemrr'i, 'rd'irg lrom an ac.ü a'. delmlion ol üeq bortm"',s'cn d iob u: llo r l connmins ou' F' r. a-'i iq.

ln,n\.-*!. bcroE fl \iip r,d .w ochF.riu-, i' i Gc' dl ro Lh- ia rh. dcdrl,ön oi sr.E bouioa J do vpn.50, I am.r'i'E u gdn al Lhe \ 6 'srfi sru(h a.ru.l'v m;tenoß b bc*oEmb o 6oeil the rneituled ol;ri olcsSP'r:Fc'Üor'rr.\J,man.\rp Lhev lnes and racirl\ r..Drä sn.e on_ v.tu in ü.. erfon!, ol'h' srüco.ffi.sioo le.l'io b_.1sas.o ior'o'!i g..mr'nv.echnrs'aeed','ponibk m.i b. fin cDl roo, dcp.ndine on log cs ed budEer 1 - CURRENT STATUS .r. cuRl{EN'l s t'a'lus IN (i PROPOSITION/PREIIARATTON

T]TIIONI.AN Fn« field tdp and nccring will take Dlace 06 9 1,1 November 97 ii rlrc !E F.ance basin/Lyon. Ncxr mee(ings vill b3 olganizcd in rhc Boric

English workeß preler a GSSP secriön on the Doßc! Coa$ The secondarf Gference secrion for the mediienaneaD Crovincc is \slccred in tlt Crusol Mounrain Fomrd prcposal and v.re beioE end 93 is exte.ted to be prcsctrted a( Vancouver P.oposah nun be lomrlized to be subnited

The Co.venor ol drc BWG caried out durin8 1997 r revision olLhe Swrbian GSSP aLeady proposed in 1990. The 86 Aumn secrion Nas selccrcdxsGSSP. dara have bee. collBct.d for borh ammonnes

iofta.l r roposal of CS SP is expecred by 1 993 The proposrl öf the Crbo Mondeao GSSP *xs rariüed duing the BeiiinE ICC CongEs Publlshed nn Epioaex, \al 2Ul, 199'7 The basal horizon h!§ bcon vored and fixcd by the BWO. A bdlor ro choose betseen two OSSPcandidates is plürcd by 1997 The BWC meering was held durin8 Seprenrber 96 in Spaln and

The new convenor has Eorsmizd üe BWC and its acrritiesr workeß e selecring porential GssP candidares STNEMURIAN A GSSP proposal is cunently in srLdy in somtrst (Quanrocks hmd

HETTA]ICIAN Today there are 4 pnposals: Söneßet (U(), Utcubamba Vxlley (Nonhern Pcu), Ncw York canyon (Nevada, UsA) and Qoeen T/I EWG chdrofl e Islad (CANADA).

1993 - Pftpmrion ol A.lcnid, Baüonib, Oxlodian and Kimeld8ian OSSPS ro ISJS for

Prcp.ration ol Sincourian and Callovian GSSPS proposals to respective BwOs aor

Fomal Froposal for Oxfonlim GSSP is cxpectn ro be pEsented at van@uler $mposium 1999 - Pßsöntation or proposab ror Aalcnim, Barhonim, orlordiü and Klmeidcian OSSPS

Pröpmrion of Sincnuim dd Callovib GSSPS' poposäls ro ISJS for voring, .pf m'i".o'T/LTodida dTirlor:dGSSl'r'or.pc'.\eBwG ior vornC. )000 l)l--rr ior orT J.Torci.r mdTirhon CSSP p opo .,l" ru 'sJ§ tor !o'.ng t'6enu'or ofSin.münd ddCdllovid propo\al" I.S. PEpaation of Plicnsbachian GSSPJ prcposal to its 'oBWG for lorin8. 2 - Definilion of the Aalenian-Bajocian Stage boundary

by G. Pavia & R. Ena

PeFinrn trorn Ep,rr&r )0/ llooT) l\ C. Paiidn J R Ltu\ Definition of the Aalenian-Bajocian Stage boundary

Th. .it.h4t boqaoD (cssP) l.t the Rajatnu shs., Jonna,! d.ti?d d c bße aI bed aRll aJ the Mt intfi Müdqat?o qat) h.s bte. ,otjed b! th.lucs Mut tidh.irtitaa brclntqu?hiüt.tatd, th.int) ha§.l ar ' noNn atul .dt.arcon' Nndosil as tbtaset data in rtay the eat tdlian pawer rhe p6iio" af the eith th. jßt a.cunn.t .t tL n$dnn üa dhbn sp..i4: (A. idßdum, ßßutrsiii apem, B. erccantula) lre l,,r,a?rr |i.i iuk b.tap tp ndno hanzan o! the eü! aJ w zmueria connuiis ,,? w ro$aciic@ .,/ .r,re! .otspantls enh at i-üsio4 to nottut Polann o ek snadlpe Poi^t IASP ) n ako yLeeicd dt th. büe af b..1 The Iowcr boundary of A1e Bqiocian Stagc uto Xth. B?a e Q Raj kction on the ht?.f skt. scoionL 4 . tutptsnüh1 rcJ.ter.a far the pato?o. biolosiüL ke) ol nE Bdjocian ta at hndlda4 i.e. tl2 &, r ;,, {r !! Rod, r,,Irrn"ary rrddri,i CmphceeByBlicerus. ,o," $;k H--* Hov*«, tua (ü crsä d p-r ßq o si di-i ,i., ,h'iFphü oeß.d, Dd 6$i ad; d"br -d*i, @ü.eudqobrya,üt]o!d -y"*6"he@dB"r-.eidd;" 6.sGe Baicia wodB G@p (Dwc), '6 s-di Z.*. ,E*,i ,

Ptunhpal.trMi Z6de

seph a@ßs hüaphna,*@ 26.

lddl.d tond@k qd dtuß. rh{ ts8ioc \dird r rb(4i (Po !, Mdd{tr 'ro

$!.corq! (E osn D& Lnü,i ie

tumcar!&rhP0ü1 ,r!{{ed

rd4- d 6. B!j6n!

huen aid Ebkd tH. turcdut ß 'wi6 vhrh rc Blj{Lü b{« büd!4 ild &c j990,p%:Monoi.a!ad.Pn,ß9 I ts) Byd, *iiydlche5ryFsI

ifi prh6 &'@tudor d cniien

sd b d4i. 6. Erj6h cssP de h " ü Bijdü sqq h ü m. dn. ek The Murtinheira scctlon (w€sr Po.tusal) ImproYing the pmposal for the GSSP rq), s6ddd (Motui, ßq) ü tu (tuh tu Pai4 k"nqB.Iq|fu[iNedoeBbcD&dFai4I4'p 6c Brjdu Meud4 db&dop e6nq 6q ErjGh cssP 'rqdq b 6 9ittoybürcd.Elr@udMdi nü lddFph. ü4 serlr b &re 6! Bijeie 6ssP, iß h@ Agdb41&u6sp'\[yAfuU en63bd,hyr.d cdskyesfu4b} ljciobwrbdq bsdMdtu(Es) ft4uqqeod.Fsr r@ Fd by md dü Fniipq6: (:) r;1 .lt1F.*t 1f

Baieao hü.4 r er § üsd o! üimhü bonn'ilapi, ( ^Dlj ihah0d rhd{{r! (, r^d,fr , p/ad, q4 üc sru ,rrrüü6 n*6 csLy 4s. Piec, b ,iq oJ a Mdiütns ectur h ke ßonb 'ho4h pn allh. dü Mü/4o tÜ adov\ 7 kn adr olFiec6 rs.sdoft6([email protected] e Far N6t rodrsd. lrsaaa @44ri Mp aJ vd, sret

frtunt fi. Gssr oJfi. B4itu sbr. t"nov tud6 b.d tk tutuc b6bü d Mh al^. irÄrhdq FiN 1 tu @ür.tßc 6sP ol tu 84tu sq. a tk ^D)b turolhd^ tüo,)ka. aturtuee, : ri...i : .. i r-,!l " iiiiii!1r iii.!ii,. i:ii:iiE.i i:,., :i! 6 iliilil{!i:!;ii,l!!!:ii,r:iiti:i;:,;ilii}!liiiii:;:'s {iil:: jr I : : : 5 i ; ; ; i 1 : i ' : i 1:::' ei.$1. r J i : ! : i J I i i.! ! ! i i i i.! i ] L i,., r ; r r.,., "s

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ricve s tutdrdbt ot,r. qtsicrikrntdiihdrtu. d,4!sirß a üturbto

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d'E@i ;s r @ E noEedr@@|d6]w4@4thJ(]d4.b,fu?ro (sdoi &d @6. ß&) e 4dn ü Glq4co bvnr ß0).eninlbd iedu owh (aBrl üd rdr.atusn(AB, s ouiohd t \|.kwetutd\| fr!dideßdeFk{n@e6ddPld'yldd tu tlMry n crb M ^üiicBrjdu ,l4,u.'pßflMryofemEi&lFi6.Ud6cgJud ,; ;:!= i""9 iiirE lr : iiii:;i::i I

il ii'!!a!Il! i E i::::ii;ii: ! I aa\ßvot hütd. lddhr B a

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D4 !i! oü$ i w.iqm4r r4r. vke, F4?rd6 is

Fd qlnprc, ü. üe d he Brj@o n D&kd by nda'ioi or Fiev. 6 sdkbd .rkqqq @r4ak6t Fo d üt bundq h tE Mrd.aeno §dpr ^qx4b-rqiqüR6din.d!ü F.d,nq qd di,E ia+6b qrd P4ü, seuqa nr!'i3Bri] ftq ad{htr-ßljah b{dq r

Fld'y'jmcede(ogg'l9,kwoe fts cssP d tu Bajociu sbs, did b,

The Bqiocian ASP itr thc ßea.rerais Bay §ihi n cü Mqcgo (v6'@ ftd4 section (Scoftnd)

Namc md gmsmphiol lmlion or rhe AsP bioordieüdq.&y{dfupldo@,i6cn4ls6ü. is p4 oi idm hsitub sü.bßh. ft ebdü-Bljo cieb0d4*pbdviüid!MqlqeM.roi6cLui

bri ß b bvlmsr Bijdo !iü @de$ dF$@ r@ uPeirornq 0,s uro5r) b dbYio (Mdh ha-

) rd h,m6r Bsio §lsbb34 riir dov shdicur torurcE d dc 6utrd4.

ulibl*üüIleolb«e4ld,hüddd!F4(, d rq. p. 6). ft iry nb§F ^u hr4434@Ned D d.4 üt.düüo3nn :-1-

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tr pre\d6 irc ellEErcn de urcllu h{e;;," akqa1updtpb.n' d M,r@, h,!ry[ r.d:lfuE@m,,nd&A,i

Nöioo N, d. rs dr4qo eudirciüG;;;. Mo@, N s-4 P M. 6k4 ;d j-i,l EqqE! id, de riBFr!ryE" dtulqq d Eih 4d

@tfr!&Llldtfuhce]d(DM.moEdBRGM!,

ct4ry,^d,|ßl1elnd!q!e&d

I 3 " Revised guidclines for the establishment of gloDal chronostratigraphic standards by the International Comürission on Stratigraphy (ICS) bI Rcrnane J., Bassett M. G., Cowie J. W., Gohrbiüdt K. H., Laie R. H., MichelseD O. & Naiwen W., with the cooDer.lion ofmembeß oIICS

Fetnnred fmm Er/Jo./.r lq/l (loc6)

r5 h\.liir!.r R. unt Mn hil (; ßdtrr . Jdtt \lt ( t\t i.. Klots ll (rrria llt tl Rtltunl ürtc. Olttllltchtlyn a tl\yt trNuntt .Iilh thrt..p.'1 n,t aln. lb.t\.1 l( S Revised guideliues Ibr the estalrlishnrent of global chronostratigraphic standards by the International Commission on Stratigraphy (ICS)

iB anry4rtit [n[do\ düti]id ')14 \uLldriht @tt r*tdhrc br64lwctt.N t ü 4 q\|ti. !@ovrlru4 N« otd! titutht tu turür ht tt

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elfih6.lq!+6E!3hü,vie

2 Aims and principles

12Bjdk!ügnDitq!ftnok

LfuI'fuUs!6mis6trdlcüFFal!6bJ 1-§ Boundxrr{tratoryp6 insrlad of unilsrm rolypB

6r ctuoch,isahn

2.1 Correlallon prc.des de,inllloh

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2.4 Priority md nalurrl bouftlarics

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3.1 Sotrr scn ral coDsid.ntio ns a honr fBi,1r! ürrLG-;.,odr6- r !!

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4 The requircmcnts for a CSSP

ü!.Id40I4n!eda]hu.m*.

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6 Relision of i GSSP

5 Procedure for the submission of ä GSSP 5l Edi.insotthclubDiss n

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TJBWC N{emb€r§r Junc 1997

1 \e r.. hd be-n'on orled by he \e.rru4 oi *" ba.'. o''..pon.es Lo 3.''.' L, . q cri 3 co'jrruuon o'fo.'; och.l. dd o' i te'.J and Jr'vry borrd'.) succcssions; those vho 'did not respond hale not ben includcd.'1Trra.i..IJrs"a Please advise the SecEtary (c. wdj.lton: contact details in the lisl below) lsmpdy of my emN in the detä15 siven dd otanv ru'Lrc chdnse!:n !onkcr iniom4ion o. Ireld o'r'ct§.. plea'e Plinr o' ryp_ rnlonirarion(. a tuil ponzl'he ,ddF-. rlephone lL ober. FAX numb.'.. tu .ddE$\.kdly v"rbr, vno :ß,w;e oI {orl"F sho m a."vo 1 r\0 .tud) or Tnd., lL'}s. bornd"4 süeesions but e not in the iollowinS list de aked to conract lhe s@Etary'

Bes, J , hinü6 of c.olosicll a Nu Ro;4, Po Box 30 363, Löw Hu4 N.

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.2 N'1! OBSERVA'IIONS NE^N TI]E }ÄSE OI THE JURASS'C !N BRITAIN " A

by

G.Blos, stediches Muscun irjr Naruüunde, Rosenscin I, D-70191, Stutlsaft, Gemany liN. Page, English Nature, The Old Mill Eouse 37 North Strt Okehmplon Devon EX20 IAR Unitcd Kngdoh

work ir prcgßs on thc amonite faunas nee tlrc bse of the rurssic in Nw Europe, and the search fd a GSSP for the bas. ol the syslen, has revealed new and importMt information i! England. ft is planned lo fully dcscribe and discuss these obselvations elsewher., prior to the ISJS Congress in Vancouver i. 1993i the follotring account is,

In 1992, P. Eodses (then at the National Musöuh or wales, Cordir0 noted the ra€ oc(uftnce otvet poorly pE\eFed P.,/o,pr,'r'[_ srnolie§ ol t\e w.r Sonse 'or.' couth se

25 trAL, t,9/.r.r' ,ro. \. nd,..tr.trr,o.e, J1n.,,.. .r , ,'IeII'nDo'r'-B.\'o I '' (P r.' Br. Ä'','' L'rr.'.l'!_ "-.1 r lJ i,r __ nl.oh...E''c'P,o.\60 I oei' oc,nr n.'c. '' " ] _ "n tl i nc eBhol 0 p'..n'o \er'u J.Al '.c.n \'1. ' .jcn Ib' '''o 'e r'!' pa,"r.' d' c ' one \n, , nrromrh. loq..Dr , n-lo nor..ilo.,s.ro' "rJ'h'o.r )t'.'of o'r elco.r ".ob'.c,ll{rl),0"0^'lb.'' ,h.le,i^..-,rr, ri o; or these.clics or nodes can bc iccogtuad on ttu inocnnon whorls i0dicitine PJi/o..,?r crlf,r,, (Phillipt (scc below)l rhis species rylicauy has bluDt iibs on lhc itrNr tud i.!nv rrc'n lhi.l(d whorl\ r.,.''m.C.oLd.u.a5 do 5;tu,ncn\.hrJ nLeL .e'onL,r ,rr. ledP.j' ." herow sn..rh /'sr6.a,?J ,lan,r,,r iD ,re Wilkcdev boEhale in ChBshtro, Dorlh we* England ipo.r. &wrrirenM. r966. ll3 l19) Thisribbed lorm had beeo dctoirnned b) Donovän (in ioole & whitenaD, 1966 50, l40) rs Pri/r.erdt Pla,,,bn s.usa!!r (PhiLliP\l Anorher oc,rtrrn.c ol Prilo.rrzs rff .r(!dr,, repored in Kcnt (1937) lrcm ! qLrtrv west ol Bar.$one ChLrch, sourh Nottrrglrimshirc, cannor be conlimed .s the whe.eabou§ ol the ' a .e*uJv oi lhc rhnonires froh rhe \vilkeslev borsholc, krndlv atranBed bv S. Tunni.liffand G. WatrinSron G ritish Geological Suraev, Kev*onh) rclcalcd lhctollowinS, in a gq mudlocl sc{uencc: l'htrknes Aminonire\trca Fn§ Cdlo.eras (bae of the Johnstoni Subzone) Psilo.erus sodptuhi + Plilacerü Plimtdatt

PsiloccEr'as. s h Lndrauon oiNr,rIyilrns ?silocentids s abovc, üd A spei@ ol Psilacerat eruSattm

Prrd.ros ,rusdrm ( L0 spc.inensi be oi Plano$n Snb-ß)

Thc rhickne* of the Planorbis slbzone in rhis boreholc (13 8 n) is one ol the highest in o he'Fqü. rce of lTr o' i.'l roJ.or(pl"b o lor' Lno,vn NW iu,oP, -' " 'n,C l -\.'e\-'be"r .ouDo b:'o. I rli r Oole'r t'c'ipn. oo. rron L p r' o' r\e hrkne\-."nich rhe,ib/o.' : nch mon.re' J1 o r r5'org' our: 63 spe.ime'' \rv. b.er extrac red fron 5 6 di ffercnt lelels"' All spaimen § are preseded in shale and theEfoft .tushedi i; bnebed""rlr nsrn.he..que;.e.,mcmdlchmb.:wecun\n'hed Sutu. Lrrer 3re n.Luenneo. Npa,r,,ln.J i iid"a'.dol a!rd" Jnb'li'u'.d

l6 Red I ( L.wer rd): psil@eotids, wiü indicdio, ol N.,prrlrr.l Bcd 3 Psil,..,?s. dbbed rid smooü forms. wrdc whorle'1, mo( lFbrbly Psl,..nh ?rugdr,n (basc of rhc Plano.bis subzone?) The thickness oI lhc Platrorbis Subzone here i§ about 5n The seqDcnco ol rmnronftsr is ere.'r I l l-.a rc : i. .._ $iLl_.e) ho"tol'. b'"\e lo!t' p+' i.'u.5 r n....0 lhdfod'rlu.r.on.oD'he ''J'ic'.p'.t tron.b.'u.. P'i/..,4 4/,r."' '..onpleePt-,?,r, d"p.ar, p.tu ot n rnd N'^rlt)tl'i'naw:ru_ d\c-,,on, ol he b.r of l ru'asr ind rr. rneFiore ro' r_. ed'n'obdorri'o'trIJn.1.ro nu e d.'r: h_.c The crushed ammonires d dre base of rhc ammone sequence oi dre Wilkqley Bo.eholc hrvc been idenrilied wirh,{,r,no,r.r .r,3!rrs Phillips by Donovai (1966:50) who characreriad ücn rhc follo*ins wayr "Thoc lien srccinens hare blum, beld likeibsoD the nremosr whorls and ac identicd *nh üe holotypc oi A,r/rrrres eru3ailr Phillips $ hich is reearded d\ a clnonolosical subspBcios of Psilo.c.ts 2/arorrir. , , The species had been ,Eriously known only ftom loosc blo.ks found 1n Robin Hood's !ay, Yorkshne, NE lns..nd inL r" ..r..rs ztl- onl' F lhc cr.ellen.b pre'er\en ncn. .hou d .ro.c rt nj'r nt ta P,,la.qü /p rr. r,iq.n MoL!.'no .urc.r^candn-y-pped3..\\ oit.hrß.p-.i T'_n':drr.''!.e.'t"c\.Jcr-of"a"p,an; uel, d"veloDed.n linode.oo rhe rnnemo.r \\o'1. 1P1tr'"ra' 4uq.t 4.\al ."?n .l ar.,m"o.. ire r- o. i .uppo-eo hotolp.'o', pt r)t, po,d.t. io,..".. .'gL'p I i r\o ne I oo.lpe and.c ed'l d B dnm wr. F'dla (qo{a.'\ o.2. pao Pl'4,r.8.,1r Hou. .\'..pe-rren also.hos! r\e )pL.' odednL'e1.. .enod".re no lr,ol ou"o b] a on'oA.'e . .rage oi bll' rrbb ng -\'.\ i. rgllr r''F' Md rP be.one. iieanfl dno nonr'.c Irdu-dionofthe..geofribbi Bi.\ey.rzbF ! r.menon. blo,\ rl ne 5'd!w'.k \4r.eu0 .-owded wi.h .pe.rmens'hotr. rle qho! vaiabiliry All prcpared specimens show thc ruberclcs on the innemost who s No other species c;uld be tdced in this accunulation. As rtu a known rhis lime$one has never beeD fou.d in boreholes or i, s@, The crushed state and rhe lack of sutu6 lincs prcvent close compaison of sp@imens l - $ i\e...! Boreho.e,nd I oa Yo'f .\rc bü' r\c o orrunr ol.l e rnntr trhorl' een.. rare'o1 enorsh r N\\ turcpean P§,/r..,,. ,p.'ie. h, DonovJn'. appeu' resomble. MoEover, with reged to the speial omment lhe ldk of a lull'denurrcnron specics seens to be

Comoa.ison wilh other rcsions ln Nnv Fuope,,h.Jui.*L sequen. e or smonre. be8r: w'üdifa' p.lMturrd'om n drleren' repion" Th.aecrcl.uon'berr*nlheylom. h!venorbtrrkow' b.forb...use oftf.r ßol;Ed (curr{.. ShrinSuumulouon'olmonospecrli. clufuk' hdv. b*n lourd ftBiö s rcmore 6omone üoL\er. öu88c'ung üd üe fom repß rnr rprrh 1uaÜgiäphi.dl lEvek'. dd did nor aDDe& conreooor&@uslv. Dono'än (ieöö 50) loind tnt F.ibt?,ds ptano,Ds üd Pilo..ds ,a-ffort l ,§ilarr,kr .o Jd nor oe .epd.red.rärh_.J y.'hn hr. dlso bcen nored In maerisl f'o 1 G.m dr n ii ro po.. b'e älleak speliD.n' s l- ed'ne 'outhern Lunpuo.rhedr: t corlrnq lo rheor.orrhe oher sp*i.! \.v. r\.hs .. 'o.c.unulauons al P.ilo"?rü:MP'r'er an ,,rlrrr,!u ro.'utrs neq, enly rhmu8boür NW Eurcpe) ud of Pstlo.etu Plano,bt\ n \he Wo.cheL {q 'ü be edrly di.Unguished h üc Warh.r d.a. a§ trell ß i WlLeJey Boeholc. rhe 1wö roms o;u in siolisiaphi. scqucnce, sitn üe namw-whorled't. Prio.erat ,/.fu,bü bemserli.r. lne sroe nbrirL\ rod o,'ß ü *dhmd lpqrtrn" rogeLher rit It" rros-"ürFd TtoLr.nosppe&§abrupr) v\eFAdofomoixßßbhiSier'rnbir rme of Psilb.eü DIt atulü. - Ms, occumn'." ol^,rrl)ih?s 4 J o kowl. An accJmulauon o' u'1, pE'*ed smcimns rtu tun foudd rn cre;r Brirai., ii loos. blocß lrom'l-_ Holdemes. Driir r io,kshift nnomDson. lolJ' l/0i ,denLfi.d s by kns. !la4lr: )3,60\) A Arahe' äeimulo :on wr.dacnbedbj LMst(la4la.b,^.oriüilr.§ riomloorboclsar Drore J0ln e,{o!^ oe (crn.'1\,. a rdn''o L'cni T'bnr. .r clv (e'mrv LnDuhnrr,'di'l\W i.-t''t.or-' t. bclbJ 'l,n'r'.Jn'..J...r, i .- .' l'\ --,rLcil,rcil,rrr. o-._nr;'. !'nd!terlr' '.p.' ! \'r'.//4"\' n.. tr'.'. i rhohA.i.nätf,n( oot( o i'o1o L oc.o* l-'_r'"'Pr'!. . _"ctr oe l-on jo,a :i nc,l._dme o !d''o j..l).' wl{J ß' "r--r' L.' q, Tle-d"i'rrror " c'rü r on t1d at r t a a' -" -1r''' .l'd'or Lio.L' I r .e No' /or't'e'od...r..1'..." R l'nllood'a:v onlv r.on loo" . .r.r.,,o..o.-': lhumo,o. r,rtl o^rr ^i"o'h.'f' ' on,lr..e oporl..rr.8r.f\, 'h{'lr'oe'f' 'i' soe.i.Ll «ariEnolxr noqtion '.-3e ,. i"',oä.r,i..o.o.r.e {r p"1.J.,. L r\,. "e v.tl *-arü ron: ,-\o'r,'_--ojldD. lcr.o'irpol'o^re..ed..,"bk ' '8io'loi.5'1" l.''r r,cP-.no o'. \'b/oäe l, je \\' r. "r B rt'or.. 1...ru..._JP'. cr J n n ro'' .Jq .rr,a.,o u." -t.r o, poj t.-djlrren' E onp r.to . bh - ,q,,-ia ..,ro' ,. be1 d- lror.. 'or., A r" cior 'Ir'h rd'ro33 'be" lsso 1994.!99/'\ne'c' ere_ l.o or r'r.o._ .d.o 'lrfle*nr zCr ''dw5"_' ,* .i.*".. aoe, nor Ues n e"ery"\flc""qüen.c ;'t .\p.rr" fom' SL.l rse d'ireren.A rn r\e b.A nn ls ol sn mre _irrmanrt'""*".rJ'lon"'r.c o..''la"d'ec-. 'ü'.I N$ r.a,dndP -l .aa' aisar Lob\to'b I d r"d ron -üroD'!,.amüein".n.''. n.!i.n- lxv.b'ous. t \r\e n'no' rrdr ärdr.e u.i..reqr.a "l-"rubcr.rl".o-o.'P.ta --a atl!ht -'"d.t q.r in i. ( sorm,nd \orl- Ane'.ca tne I n a'a' t.|'n *, ^;. ". - tom' o.cui r ". Drr .Ä sow P" ü. a rn-o'an,kxt d "'l-e'''n ö' ercntr' 1' n o'' or hc{ n1. '"m .c Gd Pid"rx-di,', ioo oin-e'eni ro bc d' lr conn_ wil P,/, r ," r^ ..rre|-ron-;nn solrh A rn ., Hikhsrd' oo!' '06, .ao'r re.' . Pd on simiraririe; *hich do not appcar to be lhö closost posible. Psiloeens ?ticarlLuh and the co,retrredpJ/o..--.,,t*o,;totr,ratte)ntl.prt."n..orsb."r?of'über.lc.o-'he_l' innemo-r ql.orl . o iI ' r p' . Jcn.c oI rrobi c ro r\. olh_ '' o' .nd ng earlier '-d - sinra comen, dc.ne io' P ito"-J'rre, r,' üo ü''oft ded P" 1' "m' nt' a:: n th .ase üeft tuc. addruod.llv. drfferen@s nrrc$.e.Lion In N\ Er'öDc. ivrr, e',' !'\ nborrs re. jic'ed ro'1. jner u5o'l (blj u iho tub€rcles) eo raEIf foutrd with Psilacerat plorotbß. znd the cn_occutrencc of Pril,.er.r ,llr,,.x,,n. wih rloct,e.. d _dll . ob.tre ano /'1o,"'t. 2rilo,oa- dnd'\en N.,'Lllr.r,rnrheA'o.rwor^' 33o, I .rEc lo\2r ,ndrrk. ü '1.P.imco d'r Z.r ne rne NU'turoDear Ph o b. Sub/onc An ado.uoi J nd'cauon.o' ld be \w Eüooen",i,1 ^ P\la..rat ?,u{o1tn:n ü" Pleoön sub/one snd i.. fr.ar v ro fom''n'tc Pnm;.od"omZoneor sarlhAn-i.d(v. tu.lebrmor 1q38, roo0..oo4. le9n r\i§soJld med rhar üe coßoicuoü{\ tlu'l trho1.d lom o. .he,/-,rrt?a, rr.r,a SroLp *o' ld \dve d*L-,.h-. @ii*al. ; i Eußpe üd uoulo beoreolhee*I,.r p. lGeaud' ahF 't rne.ru(hed. .o'alll'l-" end'. ol a"I ;ß,o,.',JJ. Tbe dr'rene betseer ' Ablp dd obr'oü \ snooth anüonns below in üe New York Canyon s4lion (Guex 1982, 1995i Guox ,r at 'qq,,seen§'obe!or.ptrroü.enoLghropmvdeaöur.ablelore boünd"ryol her'6 . the ,monre. of t\e edrly liJ. .n 5.beria rDJSJ.. ,oob are .oo d,f'e rn'. prlGera'ds be P\lo ube'qotu momnoloE(aI!. rror or\.r 'o .lo{l} romp"rd. .to" d,."r,ß .ich . imnF ormi rhdrrß..ra ol! norllosel) rlzFdlaPtto e'o!erusotu"-- t h:.;*,in. nr..neldaoft rrhsrFia Ftriin' rnerclore oF". P*rininarv Concluslons Thcre üe sa'veirr kv.h 6f first aDpeddc. ol psiloccratids in different icgions during thc srrre*I-irs.Thus.tieinte.lbeiweenthela$c/tdrisrr.erd@dthefißrPrilr.ararhdä differ.nt dußrion i. diffüe r.sions, Whätevcr lcvcl one sled for üe b6e of the .rurassic rh.m are in in !":_., dirl.cLl.re! ol co'rcLuotr. ln nor rg'on' rhe po,i ron of lh" Trh-r/Ltri\.n Dounrld w -norbe.\d h lnosn as s:llli. "monrk bmn P?_ planorbis bed§. At higftei levels, codelations ale hampered by'n diflerences caused bv

2lt '\,,','.,. :".' J'1.b,. uf i, r... , .., Jo. ,. 1 ..,.-',.Jt,'. .- \.''Pa'l'r ) r.1,.1'Jc.:'b'c' q '.I I ilr ...^o ' ' qc\.t 50iJb,.ru.'i' otr .h Luon.tt' §horv\ tho b.unddy ictrvccn l*o syicnr or lascr mor.lca y aid wl'crc i rinc inrcrval xröund rhcb.undxry is rprcrcnlcd rs .o,nplcrely äspössitJlcLy amrop'trr.3uLdcfosnk. Fo' r]t has. of rlre Juülsic, i( prsserlly ncns rtrlikcly thal acotrntruousscqucD.sotrmnrofods. lrcm rhe ln$ Tmssic Cl,,riJr,.szr 1o d'e n.r ilco'dcrl psil(crrtids. wLllLre lound ir Enrotc. wh.rher thes. crrlre$ !silocrrrliJs, lr3los rlro levol or thc fLIN Jrmssi. subzonal index, Pril..d/.st/ar,.rir, de considcrcd Jlrasic rarhürhmTirs'. i| aec, is a rnalrs fordcb e Rcf..encrs

BUCKMAN.ss lL9re rero) 1yp!Aooo d vd! I7 Loodo, (whcLdoo & w*t, D^Cys, A (1996) l01.L0e 7-rtrh orosc. Pubr ) DoNovaN. Dx (1966) ftc Hdhi rcundN (w clr edwhithrtoh(Errh ,a. (rq79): D,i.ouvcf,.,dLuknbour3 pi' i!e!(Änmoi d)d:is hsPE Pl o,bisBrds (Hdki3ietr if&Gü).- a

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t0 5 - JURASSIC STAGE BOUNDARYWGS .-:IEP ORT OTIIETTAN GIAN . SINEMURIÄi BOUNDARY WORKING CROUP

ttewurkrnEe'o.ot!.orsr /.dx..o.n'''_ Äp" ..r"d rl l'. nld'_'\\P, r w so'.'e.'w' ' ir '"1 l;e 'n re o'- ..k'._ir;.o: ''. -r. 'J'L '.e _e1 _ .:'nmonrel-ur. ro'nl.h.'',-e '0.. L'l''I" o.o loe on bed -'p.m,l'4i or,'lfle- r ap l"'.1.e".1 ,'o ''''' .ithe n ln'i..',.4 no r{b'- p'r'.' ' ',o, ' 5 bound@isinwo'-le'o'. ir is planicd to app.{ in 1993by(hec. gress iD^J' Vdnconvcr 'ihe basat ahmotrite {scnblase ar Qumtock's Hed coinparcd §ilh v.rnr,..,,i rotd,,. /1r 1,, i,.1. r,, j .\rv.Y.oo< a Do\o\ a\.,a3J h.... n. .'' (') * n,he .s.mhrscoi"P,rd"nd a/, id"P ''-.r 'a rrnh'. et' Lakes aßa o r can;da (!REB oLD, l 967). A more detailed comPriso has notbeen made rlru! r,r n mar hö thar the Canadian folns de lorc{unneE of ihc Wdchdt foan Thcrc c nsr indic,ii.n-§1hrt sinilar foms occur aho in Sourh Anerica (Deß conn v H IEBNDT) ReLrences

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Thc Plienshaclnan working Group is now orgmrzcd rnd can sta iß *o on lhe Lowc. Crrixian Siicmurian b.undrry.In conpdisotr wth otho. stiges we üred very lately but wc *ädr ro folloR rhc sork phn enabli§h by the ne§ BuLea0 of rhc Ls.J.s o.p' -_\ 0'J mgre"'or .50' eor: lo.J de, d.o' in o'.rr,1." ^'lo" ß,r--Lrr- l lrErIJ !!rlfrl4!j "l A fns arempL of DoMMERGUES & MEISTER (1992) used as a basis fordiscusion and rhe cofrnonß olrhc Mcmbcß ofthe Working Goup if,duced the selcction of fout areas vhich are Dorcnrially s.odcandidates for the Lower Pliensbachran Boundary OSSP. Ar rhe c'n.'I's _do' n\e'rs!cd. Drc.e 'i;_rrrrea-l rtr'oo lnrhis hßtoricaland well studied aEr, the td si tion berwocn rhc uppemost Sinenuuan and rhe lowc.most Cdlxian is usually chamcterizÖd by rhe lekofsedimcnts, condcnsation and/or beds wnhont amonitcs. Memvhile duing rh8 l6t occting öf the GomM Sub..mlsion lor Jurdsi. statisraphy in May 199?, a very a@essible Fofile appemd ro be r good dandidare p'o o. ro. very m'cl. .orp'ch rp'ob'b') 'l'o one i r\i f\" A.-lr '9. i h. '') \iuonc.l 'haEd, "'l'" Srnc nur,d - Plßnsba. \rn bo' 1d 4 .-d'l r' e. i .. 6Lte.no of dmon..c\ |, pr el' L\.[ A n LR. lool DL,rc,l - ndn'oled' "" 3 -a \d\e.dn p. l .o.ronp..nerüq Jud'o nlro r r.roäo,amdCeo.' n- "un". D\

In this lea üe ransition bel*een lhe uppeinosl Sinehlrid ed the lowernost Cunian is Doorl' dolumFrFd.l. \@ 0\ r lde sinem rid rdrnr rnd theldlJ Cu \id'dula a. 'a. 'l.e : qrv. .epdard' r b.d. \'..J,ll ."v' 6. nch's't. k, la.rrnE amoirk' One piofi le rn Brhde (Para./rr..sras lerel ro Platrplcr...erat .arr,arild level) aEa is in study lor niüorauna, macrcfauna (mo.ire, md g@hcmlstry- Ior amonite biostali8raphy we can ,l,.dv i"e rnar rhe.ed,oemd !olu6n berween rh. Pdlr..nrr.?rdr le\el and rhe Ptartpt?uo.e,o! ."p,'.,'"--.ri 'r.i amron.rc IrL(r'. .BLAU, EBEI. vElsrrq. SCHLATTER), The nlcrcfaunll od nicofloräl content of 16 smples frcm the Bünde section qere ana.\/ed by K. DYBKTER f,d D lulSON. Tt.J repon rnc lollo*rng F u'F \'Tl" ridi c:pl'rd-J rüdy u'rn ue p e ro .laify ue'te' rhir .GUI I'rirdblc6{mo§pFfo' ü-P'' .od,hia.Thepaynoogtral:md6wdprpdßd'rpo rrnsinem"rhoodevlb_äbrPoul

The lamons araolRobrn Ilood's Bay isknosnshce th. cüly l9 rb .entrq. l(e.cD(lj, rhe ransirion berwcan tho R&costlrunr and Janresoni zoncs his bcen §udicd a.ntely fo' annonnes IDOMMERCUES & MEISTER, 1992) and tcrneasuLed, lnreeraring exi*i,,a: ' I o.r -,ja."p1',1,n i br,.r- r8r"flr' l .''.r. o\ H' \\' LSOd l.\\' i\r'ooi | boundaeainemurian-Plicnsbachian is fiosr evidcnr d Wine Haven pDlile The dara dcscrec ,tFd. ro oe .jo. ';.".üo" n'1..r, rl'.' (o.h1.o' r.' F. I' d o.c.n. obe acood. d oJ.' A discrctc lanna (r'la/,.dr"r do,@u,,, DOMMERGUI§ & MEIS1ER and nucleus ol ..'.'...hc.r 'pf1\ ei''x l-..ro.er.didr d dc r''''' . .r'r, a. Pt... 1.--.r,,/,j.SO$|CRIIY ". For thtmicroiauna dd orher studies Ne have io infomalion until norv we fear thlr the encountcred prcblems with rhe micrclauna in NW Gemany will be dre srm in the YorkshiE

ttebrides (R!!say, labbay, North shore or Loch Eishort) This area ß re invdriEated by HESSELBo et al..lnbrief, according to S. HESSELBO. tlre a -.on,.ornor.. I borroro , c l-:E,lJ r-l'eJ, Ra,.c) .nereIo.e. fem. no .ble 'r 'e fo ro.onü-c ".omDic.cselr. Th" . do' Pabdt i!.rd . o.fi.cJ.. b xle', he I ."nd i - ri' iü ur" e.l ou4eo. o r rne E{r.od ld. oe' .'Üo.cd. noboo/ .4. "oI[eo on'e wer c.'.i a, loch E ,honoü\ Gr rorlon S:,ca dr - n i"'.b..";'bo rnd. \ "J 'he b-en do,e '

For lnLrmedilte Eüroborcat - f€thya. domanß like Austian Uppe. Au(roalpinc no sood sections ae aldlable ior üe moncnr For Terhl Reslm rhi. boünJrry *!ms ro lery clear, psrhrps nc* wo*s of IARAONI. PALLINI,^n MARINI, VENTURI in Apennjnes will provids sö'ne

' ln P,cilic rerions rhc boundcry i\ noorly repre{nred in Noah qmeri(r. (SMITH rn ]ercn and rn Sourn Ame .a (HLLEBMNTDT, R|CARDL.r a derd I Led dc er Drot-le has not been published until noN. A major problen vill bc rhe precise position oI the Sinemurian Plicnsbachirn boundary in üe Telhyan (Medncnancan - Pacific) realm lnd its cotrelrtion wnh Thc E@boEal Eilm; it appds §m unßolved. lo-nn&llpdicnlxilr3lrEs bo!!d!al. I' i,.a"*.ryromen o lhe S"rrrir Pl:. lbr h'Mbo | deflen rn the 'brcnyhos 'Ddr4 'ir-3tu'- ed ro ror ürr dr. broc\rcbologi-al'uMtr-io of ü' Iuasi' m p asl bted on4noni6.Thebound4) brrwodrwo agamJ{bebJ.ed01ü.ür,nbiguor.d!lniüon of'l- bd- 6r rne overl\rrq sree G@ CTLOMON & DO\OVAIi. laTl.cAllOMO\. l99d r.lrih.Dresenrce:'te b^co'üe hr{Plien.oel-' \ubtun.(laylon\Lb/o0eiua. definei h! §PÄ rH, i921, i. üe Do6.. codi ud lar-' d. '.(d bv DEAI er al (1Ö61)dJ other 4 l\o's P rE Doi,er Cod', sPAIH (1q2, 6nd'l_n LA\c (lo23r rnoic,ed rt a\\o-kuonolPhn.odo-erdGr'l mbedl0

t5 MEISI ER, 1992) xnd only podcmcens $cms ro provrde. good indi.ilotr for lhe Early

So wc rc involvcd h n \rork wirh th.lollo*ing finalBoxl!

amnonilc trioi,a(gmohic scilcs ad theco,rolatioN wnh rhc Srandad scrle imcgft r.d iraülmphLcnl scrlcs Thc\eptuposalsacnorcxhaunivcardallorhersL!!c{ion\arsRclcomeeslecidlyon other G S S P .Mdrdxt. scclons. Moioover rll nfumrions on o1hü f.$il grcup§ (e g bivalria, b.xchioFoda.. ) oL invcri!ation ne{hods (nagncronratigEphy. .) ro precise the Sinemurar PLicnsbrchixn boundar re needcd All ihcsc poinß will bc discussed dning ihc 5rh lilcrnxlional Synposiunr on rhe Jüasic Syncm in Väncouver. 1993 Refdcnces ol the lcxl c^LLoMoN r H (rer1) 0971), alodeo.Mdozon nrrlsiD

\!,ARTI] M K O96D u R,r Mßdüt (Nd. Hßt.) C?otasy 4 (q 43s 5a5. & rlErsER c. (reez). Llr shcmu wnh dadrtr! aüly§n or sluaL dffa. LANC w.D e itr rh. g@, 0923) $, LirsorDosflcer ", 6?,r scHLAl'rER R (leer) . BionG.i PriDsbehium m «L(se ((ai'oi sclrlirmi. s.h§eiz) u a^F^4Drq cchdo Mei. ,rs6 pol , I E:

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AaLDNT^N \{G DrREcroRY (in bold the .nsreß to the üzllot) c.Jato Patbri R- cauoson !

,t.cadi a., Ribq H, Raq c, R sardowl t. sükad \|. sda't&.En nn r.pk, - .f i.Jf r l,\"". '1 t.l t 7.t- ,-1.,'nrc .ti... "'r L:.' t' ., bm l di.. ror h^ve rhe rn .10scalchlunher h rlarld ho*cv.r sumnü' ".L7rd r r poposrl't, l. dcline tlrc Aalenian Suge tormallyl. l2) Ch.ice al u)d.r sp{.i.st. !tb.l th.lli\t! [ rnl h.ti.ar duact(ti.«t nt ! h.rr.].t\ t\?e lsJ rc - ,.. 1e..,o l! tri oI ,...' orin-rroit,-j:i1r.emo"E..tr''.bo,'.i.{' 'io'tre.'io.qr,1io,-0.p".r. ol rhtco.sLruent ncmbers ol thc assenblxges ar orlr' local(Les would trot Cemit closer c.ftldion nrrn xnr of the horrons in which ( o.cuß c.g.. Pl.]d.llid PsckdoaEßln b\ nse\t , ,lo' i i.rnl' irb..ee0r-1 ..... l.'..'1'.'n_ o.'lo!.1 \ h/.'eo ,,h; &Ro hel, - ru Ood.. . r ,ozon_ B .n'5r toimrl-.o. . 4,.linn was no( offered!s achoicc: the loscv honz.n'n. ilrhc Plclr'aria,16rr" horizor

13) ch.ice ol d biozona (l.cdl tanße-zo"t, at lhe bo ndary !ruto!»e se.tk,l ola sir1ql. species whos. Fni Appeürnce (FA) is takLn t define the ütre'Pk 4c nwknts llß Stage As I hare also Epeatedly po,ntcd out, rhis is a lousy say to deline rnd d cbrcnosmtiEraphidäl units, for such bionrarigraphic.l uniß are ephemrzl md subiecrive FA's keep otr evolvi i'g as norc mateial i ! dis. ovcrcd, and depend on ihe corecf ide n ti ficrtion o f rhciDeciesconcimed. And how oilen do two expenJ'asreeon rhrr?\!hy, forin*an.e, on the v;tins'Dapcr se ro us, does it sry L .?,ri,dr RtINECKE non QuENsrEDri' (rccte .(REr,\rEcK! ron OUENSEDT)")? Ii the differcnce manes, how do we know that I. opaln!,r aRFINF.(F) occß ar wnhau at alll we hrvc onlv oHMLRT & RoLF sord lor n: dre mr. ndTe 0.i.1 . - r' cJ1'll'o tr .'. I'eure o I t Ed' .ove rd .;t.1p I lil'!r..\r .dl.-'nJ4 6 tr \r1. . leD.'ie trni.nt .ü J .ügr..i'.. I' d roc n.Da-.p,'en.nrr rpc e,". .' l."c.e l.erdr"..."Jr)F.q\i' de 1r.l tu-N.u'. lsuFlrc'Jbl),-.. I oü J o&ome lec orype ' 'tlrpelonto) o'I opol,a a is in iacr unknown itmaybehigherrhrntheliNtbedwilh! rpali,ln Ohncn non Reinecke

As för thc altemarive offeEd, P..hj\ta.etu! tatulosunt: as d gride fo$il ir i§ alno$ usele$ anywhero oußide Oemany lls only run.tionconld rcmain as aSubzonal index, (l)

s. vhar should/could be done? (l) Choice ofthelowost Zone ofüe Aalenian Stage: OPdinuft Zone Any Subzones: thcre äpp€r ro be rwo po$ibiliÜc\ rtiToalo,u.ruo/or.,$.urE.!edbl Ohm"n Jwi'rd' bed. " rhPr,d./ri,brr $i'ho" b) Co) 4 ali . Fue rb) BL.l l dn suD/one (or an a i.c-e" Z.ne,. a' 'rgCe.Ed r i.l\a/: asdo. bed. -rl Pt,1,//.d bL tr hou' r/i,.4- . Trr" SLbzoP_ hs' b_e, ü ed.l'*1.? i' thi .-r. usLal\ d "' l' st6, s ro/one or r\. To, 1r' !o'e aho 3r iTned' " .o'ni_ u«j,t.ngrooni".n. l-e;rrdarcn.eorP/ r,,*,,,du'.r.üßmrr.inrheotsF' r subzone'o'1uüco.rle-n.- tr'dsc. ororileFnt'.rn'd..1".d' o13'\e.3 .bo\e' fo' pu po.c. ol trd.. o'eli'io1 üd tuior(cl sub'l'). l would nR' ro P'r' l e/.n ODalmum jubio r o. th. bbal submne ol Lhe Aä.lenr Sug.. rr,(hoikof ttc lo§e{obunsL.hroh coml" älle trJn,l to'''o- ia) AtwirmaD' ohmeft\ ni;- horibn, wnh allegedl! borh r",aceras a?atüü,n üd Pl nit.m hu.lmanit bcd "zab . IuenreLr 7on.no..oide\oF.s\ d.\rrbeda'u"l-'b_d los. nra d,,,x,,,ho' -ob , l, h{.,1 hounJd o-än o''l _ aJerran r,qe eihe' a: u h"ü, rn b_d " "'. b''. ol or xrFrnk-:z.b^.olbed lO< i bomcbe., *l-eO\trcn.ndGoy tu\edDwlrhe Lrne.. .. I kar. rodo'd" I uould o. happ) wil wh'.h of hese rso \cc'oF. otler€ole 'oor\c'\ etrher. For aI Dra(ucal Du@se\, rhev e equrllv Aood. Lnd oi'pmblcm \; Truonaf a oou dd' uct sDrFi *t,rver rh4 msh b''

l9 Prohhm\ onrinirs 1o be rcsolved: hxflnonizärior or SubTrDaLno'nen.laturc, bothbctwccn wudtcu,Lc.s.nd l6e.ix xnd with lhe cumn{ Nlv Eurc0ean Stxodard. in Dcm. Don.vnn & d' 'j .olo's h .' srn'r ro'e ..lrrF''.rni i tr \'\'BJj.,' 'r' i ( _ uor.rtrr. 1.. -' or.t ncr. 1 . Ji l' x d or .. o ' ' Dno{ls ofihe membcß olrlre ICS rnd (he Cuid.sroprocedurt'(hcyproduceßrqrcnahiebnl' N, trß. r in, Li jn rhe lürsic t! follo\'rlrcm mindLe§lY

G.Urrir luianuJrt loq-r 1...h o'.') -n Jlrrr.l'di n o' ool 0...1 .trdet pn'i.5.'\o''iqe..i. e I ' !o're l lo .o i dq.:" d \ oJ ictr ., to d" tr r'.. P_'lr'l?d"!e.eo. . ts.r ;. -n!,r r.,o oe rrd oroD.- r. oo le'.a-n-, u \ rBoirr Of.''nrn70 ' lo , - ',^o-,';oro, (tr _ -l l,cre -,'r.o..n o.trd tr opJ .zone. Io .lo'unane on8'ineddd ,.J eroeLncor ' !e, .1.^.',a..le o1v1' ' ,l.OoJnr lhc.n..nq _ror ,oui trlflt b_3n'rOpJ'or70.^o''l- A.,lehkn 'Zo'' "l_ " ' zonc Here' l. -' .e" ro porib"..cr Or. 1.1'a /o ..n-ltotr.g d l bd' . Torlo u. Süb-one .entr.1 o$dopo ....1....r br'ß"'.' bL'oi olP.-))'a-n.,t. 1o - *.d.ori eo .o V'doF l-L'or c or.Ol l.n'rZo'..^.1 ninsth.ro"l n beg.n wrl 'rrl Srb-onc - Dre e " e rjr,' ,nl i sn .1. ne Op".i0r /onc ',ou,d 'o, b. !i .. ..1 d o.h. otr oi \e d'f:'_n' co|e 'ior ': "oe 'J sn.el.§.r a,d.s,,r/ri. and Pi?v/.llia. Thc base oI the'he sxr.adilra horon should be fixcd rrrn rhc uotocn 5Dl, r nn.'. rneo.."o''lc.le-"lr ror rni ." i l- Fvd { r..,,. or,r4,n 0 .ü_ 1s. qr oro.e,l, ' ro. r;nr.r -' iv.. " '. 'l.e rr., i.,ü,r" roo . . e rrr lo''.Jlr ro o AALENIAN WORXING GROUP

r.ui RIMDEü1 Di'rLnsb di s. M"r--"d ßouraxiour

John CILLOMON

E r-bdh s. caRrER, Pdllmd sßre uniqsny (c.oroey),Box 751,

sh School PURLEY, surcY, cRB r* UK HaDs A. CEnIsI. Nnfiiblndt

Beris cox, B;{ßh cerosicd sud.y, Kcyvonh, Nd6ingh,n, Nal, 5aa uK I9MUPLATA ARCEMINA

i-"iteunt t. {,.tin\ HI, rrR\\ur

cn.ü.bD RoLr. NLIB, Arbensb. 60 liqrc t-)oD 25, Rue du Ph( F.69233 L

J6a SrNDovÄL, Dcp de CDrcils, Av Fu. cnüev., E 1 3002 .7:E FORT OI-TiIE }AJOCIAN . ßAI'IIONIAN ßOUNDARI WONKtNC GROUP

03- A e to,nre,do..tS,n o i|o.i.'..'..rr'rrpn, 1..0, . 1033.ö.r11 .Pfooo. fo*cBrio, Br'oni ' or od \ tr' i" Drsn' xo""d. l^'' u ' '

IIRS'I DICNE MÜETING ( 13 to 15 october 1995 ) Aik! rherorsor.-i'o_ ol. eßrBuC lü''Alooi loo5 D's .. \'fl"n d'h..-J he jner'n''o',.'tro'\'hoprd 16..! .o i o rEldnee.rnqsc'" \i'o rn l'opF ''. ' - ' roe'sn -ol;r d. N. & M POU]sr^.Den' d /. C D.llL O'a.'y. A. CA A'7 Hrn;r\,: 5. ( cl cl A, R LA\7A, C. PAV|a a"'r,. B V A. \ JA A W-RSTBOWSK- potjl,. s FERNA\Dr-/ LOftT .. V_LENDtZ \rdrr.K.PACL Un.'l KnLJom ;dOAM BODERGCI. \, ILMI I,TM\4ANITL,R INA\,D MAR'HAND, I ! Hn RRY'r r.er.T\e,on\.nor wd,e'' dlone rn -1or s' l' b'olen loo'. Dr ri' r' ü ir,='r a,. D.-.- en nh. . /eo roe lol o-irc I orN l'fh.Boma'd S,bon",rhL.Je . bTonc ol rlt . I l. B iori- I'rl'i'oni Zon" '"'m' n§,n cFn v..sußd :. rn'sq .on (. ".quc rLll s"n aJJ b' .roLPd belo* rhe b_l ?l I' rarler o-ip'opord lo 'f D'e or .i.o,veßen" o'Pd!rrrüb/o1eoI'heErlu f c DrFTr'n.riroßdo md. . swobL -r !b. Ca onie\ e$.:r b.onor7on a he bo on o- Con\e . 5 ,b7o -. h. rnrnl t \b'oio.'/on qii o'Pc". e1. Bc A'r üc -er '1roe \ec..onroo üdw.l.Fpe-.raeoodfie'r-.roo''n lo'.onel-'on After oL.Liro:'oü' cT. treß dds r d r E'he lin.l r.. o,. rmon.e.orls'inEmlos'oe bed 2.1'1'l-e Bo fod.SrbTone lct\e@olcoroercn 4 Drv'a. .2' Resmjn''or of r\_ i e or lyeoroeo;tr'olrc tu.fl].. Sr' . l..h1 Pl. D

3' Definitio; oi a iomal biohorizon ror the lovemo$ Bathonian 4' Possibihy to proposc alxiliary or conPlenentary sections in thc sane Digne are, .\ ,Eui'' r\*er.em' s:,.e.tcj.hiD:arcrrflrns "-. ''-e6'ef 'ftn.Jb', SECOND DIGNE MEETING (25-30 april 1997) The soco.d 6eld Eatlns wß held i! Digte in. Iß aim w6 tuihei monne collrtins b.loN the bed 23 in lhe Bomfordi submne. Thi pdicipdß eeEr C PA\,{A witll lhe help or ihree Italian anbo.ile lovers lnd collcctois G. BoRToLoTTI, B. CAVaLLO, A o, iewm.ln." u*o^panied du rs ue rrve d,v'bv a. cALArZ. rhe.o.!edor. and drnn! rh@ dav,'b\".r a M. BODLRCATTdD M ARCHAND ' N.w minoir -, ere otft rc' rlv' l rhe hqn dr B_!.e"on öe.ono'y ir üc ra\in du 86 Al@ sanon dd thirdlv nore upsM in tie Pvin des Robincs. Durino Julv. ü. moni e§ colhilcd §ho'.d be 'adi.ddnd. rlwe h^e.nough ure. z .onpdrod; hp-viou..yloJvcdo'c*noLldb_L' de r,Lcn L ' 'un 's GATEERING Or RESULTS: dead linc lsth October 1997 Th..onrenor is { rnc _o' o"u tr.ulr' rd ddü ano a'I p.op'e rn\e'u8, ng m'rohrnarN.POUßL,I\ and ÄV BODEBGATTToq.ü.hetrdJu'oLl.trrümürd_dd imime"toneoaU.,e.ttanvott" pcopic.Pih:pdnßol rhe ln o' /.nd 2(d r_':ns(\'\c r. palaioe;olö8t. scqucnce rm"sraphr' ;w ,e!ulß ,D,h.onasnäri' 'edmenrolosv._oo' raDhonomv.t ples. Etur üce rhe.onver' r, 'nlom3Uon"ro wheD thc mixlmum numbcr ol d[a !vr]lh. grrhcr.d ro8dher. th. convcnor would bc p'o4"o' -' r.. ' ." 1 ' '- dili n' .. \o" : rd .o\'- reB. " B.'L'o"'..'n,l - DNIIINITIVI1 PROTOSAL .11'..a'e,.oir.'ir _1ren!so'.dbe.bkL'r.D!?'l:..., D'oooJ'.1 do.'nr'wi'r . iToF'm e'''' '.8.8\\' n "1',!\' hr' l'B'Bvu".cp.oDl_on' Fdb'u\\P d . ber" 'r 'r'e', ' '3 e\prcs*d rletrJe\ rc ol a(rive nrni.iPrron in lqqi . a@cnrinx aa RlccaRDI Bu"E;rJ. L sAPUNOV Crnrlr C EC WESTEPMANN Dennidk N. POiiLSEN Francc A.M. BODERGAT,S. ELMI, E. ENAY, C. MANCOLD, D MARCHA"\D, J, THIERRY (,emrv.C DtrTL V.FO$ ls, A .onilllllBRANDl c.\4ÖNNL - HunsarY: A. GAI-ACZ - Ihlv: F. CECCA. S. CRESTA,G.PAVIA. R. LANZA - P.l;nd: B. MATYTA. A WIERSAOWSKI -Rnssia: N.BESNOSOV. O. KRMGOLTS. S. MELEDL'IA snrii: s FERh\ANDEZ-LOPEZ. G. MELENDEZ. J. SANDOVAL ' Ünired Kinsdohr J.H. CALLOMON. K PAGE, H.S.TORRENS +Sccond rnd rhnd scps are üe subnission ofrho final GSSP proPosal tolhel.S J.S anlt

tr_]PORT ('-1'HE CALLOVIAN . OXFORDIAN NOI]NDÄRY WORKING GROIJP

Activirics ol the Oxfordian WorkingGroup i.lhe las lew yeaß sincethe lV Orlordian and _ _' turmtrr'dq' r V@rnE llyon lqo4r r rc b.c .trte1se 11 rhe efroF. ade b) r' n b' . of r\eEroupbprnrdcnrnri!eo_cß o.o' beCssPior rheC lo\id_O\'ortebo'nJ.ry T\. t\ meer.nso ü.Arolp,.Derblr o'8" .sdoJ F.Atop.and klded d'add b) tun..I' rndbv D. Veh3rdrid D. FoNensler,auow.or\eOrford' srorpb'e.aFüee\pDd'd'n Calloiian oxlodian snccesions at lhe locahies of Thuoux ed Savoumon nea Seres (sE -arce,. Atuod.e {c e. io1. u. " .uppleren eo bJ rhe ,i .. . Üdy of rh. Drnonasel'd. u' Lesron cmeo our c\ Nf. Pou +" D'veFe oaleonrololi'11.v'dc!c ckarll porntsd Loward, rhele r,L ons b;'ns \e no. appropnaE.uorcda io' ,te .a'ovian-O\fo'd 3 A qur( voür'o .he membeh of hr group .\o§eo Ll.e un DoLndo GS)P. ro-f 'ToL' accorocice on th . iornr subequ..' .6riderauon' on 'he .ÜI .EF or 6'te' m".ro,andnic.opdioorolosi."l.n,g.'o..m.'shp\l.J mjneralog'.dla..'..omplek Judre' ?t, n"d .t".\Jren olhi Jü6!c SLbcom .(:o i eo üe ISC ro Etre tr!) roll . po.irnc bu r. J n.r fotu. propo., ro' .lü'6\rc.rrSe bo JmioNpe rn Lhe.ub'equ.n' ISJS Me-'13 (Mendoz,, Argcntina), and IGc, Bciiins. 'ndary

5ruore,5J\eb"en. rheßro'.'n p'oeres.m,e l-d poinrbo't k hceflonro.rryö1äd4arlcd nsoftS.crDsded ro'i rnkflal Io' rzgnao\hri!'.phy ed for oür' P3lsdrological ".nDl woIL nrd;s isee rem( D\ F Ar oo.,n he lor- l.wlle .r orü. lsls, A 'l-e 'äm Üa". m pmPr.. ö1 ben;mb.a6r rl'r s'n r\.r )etr' ta'dea.rmdinly wir\ rhc mrüreol 'r 'n o rod '"'r^r.n'r' lr'.r.'Tci'1 0rl_llc q!d. o"trJ eF"' "' 'u,' I o p.,"ro. '..'o.'.'n '' qr'75o'n',nMrnn3'e'e Nil' ,i":.",;., ,, aA v.,,:.. A '* 4 ,or ,,''o' '_ '..\ i.' i..-,, * *,"N, b_.q.. r I "' _d'onhDü"on r.i.,^ a "1.. rl' r {'o.ro o 'o'd .T' o.' e i,"' -., , "ü.oo'r. vodr'd' o1.'rd oP"üi'' ". ',... "e-, "rroo'1\ og_.'prcrO'f'di:'nn'" '' qGe.. .' ,.,.,"l.grrn Uotrd"q' 1 .$ 'g,.roI , .,r.. , r'.Pq'' ',rd. v a l .M' 'r' p", uu I eo"n:tr..,o'ße-i.m-b: ':- rq o'roiol 'o"e'', n r'""1'r'roi! I Lu rJtrr " i aa' ro.lou,leeoodPo'"'. .o I x'.o.:e _ "1 'ci .'li.' i d 'er' 'P o' o '''nor 1e I' I ' D.on.eel'oe r' "' npoJlr .. !nol.Po\iornL lc ü..'oa'n Jr'.' ' 'ie"oi ,';;..;i.. ,,. o(b !.Po'r.-: Ik c"r. o , " . ,. d' re.n . rr' ' " 'c '. o' , Md" I -tr.,. .".err lPoI l'1tr"''' " ' ier, * D"P'-a"tr oIC"o'oc\.andG oo"i..l(r'.cwe'' _ 0 Detrr 5" . to.rv'.x' ( _ dDr\p.''dl w mee -nE r d.:.ccl"dr1r.. ''or60' ogar.r'onriPoe'\r''a'udnrlr'rs'''l' ''o ..i.".".,t,*,..r,'.. 'Jn'( ri' '' i"' oenr In" 'ore'Ie ' I ,i "i'.;:- o'r.,d:""'"*''r'""toIro.P''ns'n'r" r:uoN tr Po'.rd, eno,.i'o ,te da''r_d 'j!.8rd1h.. 'n' i-.",,.r. l* n-" aor e r'.' c..elr nc _ r.' Fr' 'o re'h' li8h 'oon "r ". ^ ' 'e o' '".,ii.'".J E-"" , r o"i.* . .a. ror"s' pli. T01 u' I no dolb'. h..p tor tr_ '" I :dfi;..lo'he;ole,l3dle.h}''eJn!ndo,- "p -;i;ü;r ;.,..., r.n ,pperoi. .. '1c ne ' .,cp in n^ so.\ o. rhe Ii'r'i! !;.;;','a;; " oF;äm.,,, t",he Jo.r-, .o L'b'ro'"rcteln"'edro bc published in ! proceedings',.",., volune r.ifIi-no"D.Nrrq\..r +/ .r !. NPorr\D 2613\4",

RePon bY I) E. clorvniar(l),B. A Matyja(l),N E Poulsen(2) and a. vieobo*skl

(2) rlE oedogtll sFey or Dsmnk aDd GtmLxDd (GEUS) INTRODUClION e *..*"." i. p". O^rraiü wL \rd'r Poland 16 23 Va),oc-' Tte meeung w i- "t Coloer Lqiak Uni'esiyofwrsw&dlxcomlogn'l om,n.cd_dd !Do'.orcd b\ 'l .;-- .r Denmdk.no 6ßen'dno,6EUs,.'1. lh. metinE held a !d'Fd pd| Pdr'on o12\ iurssic reseactea ton oenmtt, Ensland, Gellfuv, Poland. Ponusal and spain' S'IF.NTIFIC CONTENT: lr." ...r,ii .'m.a * h dn ,nro ndl .e.so. d'd. reo ro p'e'e0 ,. b, xi,h. tl e6r olWbrwffddi'.u\ion! on rhetl.rd'he r,i-üJiiii,-,iÄi!;;."on. li,' r*nded pm\.de a pära.o.orogh,r backrou d ro' ",. lrbdrhon'o ol .h. stbmelrca dl\cus-ron"o1üe b'oüt Ebpni. ro i.r:i"al:I;;i; ä; ;;,"i,,;s.... r o!ro{ rn Dion,dis dpov .os ud d u rdq 'orrr h.rw..; Lhe Borear dd r\. Medik' mean R_-m rn Lhe Midd'e.nd Upp''orlotu'r Md h' o',.,d'rn KimeridsiM borndrr I .her r, ru. lhe ämoni.c fo l" on \ovmd rr" pr,, i',r .l"a_r*,ii"ä",2."e. r\,tddle orom'dr üo üe üpF{r B'nff.tum sd lowfl P.zrL.dZone rupp.mor Orlodid, and ildJded dllo 8mn onirc' ind rd'v' ollhe subÜoFd poJer ludrn8 n'poqei''!l''!r'"dd"d i.""äi" i (u,),izo' cr. A 'es ion i' Irnher rkre.r-'i.'as'- and r..nr dsu ro rnc Or'ord:d bioi'Üg'aohrc 'r h.lßldwork drrin8 dre follo(inE r*o day\ preso todsoreofrheüosimpon lsecrdßon shich thc detriled bio§ratigüphicalnudy havc &cn bx$d

I. MIDDLE OXFORDIAN AMMONITES

Fauna colle.rcd bed by bcd in thc M dlc oxfordirf of Polish Jura chain (c.1 ar wysokx, Niceowonice, OsodTienicc, Czenochowr qtradct yrelded homogeneous asembläses ol ocri.rn,n_'1.. ,ne" .1.,^..ioi /. ül rhc lramc'or^ ol \_ 5'rern rropo. d 6.0,.r, rs'-- -'1 -c ri a1,..s r h.b.o r. rsr.a... JL', Ji. n'1rn'ncM"4' 3

Thre Tones arc di§insuisl,cd: thePli.allis Z.ne, the TEnsrers{iun Z.nc, ind rre BifüLcrtus zone Althouqh rhe f;dnional indox specics ofthecl6sical subdivisi.n dc ussd in the schemc he,e'r nmoo.eo he' odrd','e. o' r o'o.la.eidphr."L rn (e'"d"- i.d j ' .: m Dy rhe r' o. t n- o', o. ,e l'.n.\ ' /on" .. 'rNeo .. 'plr-.-D. e Drchatatnasrhikctes, rcptes.nted'ilr by the stecies P.risphitcres (Di.ttato tosphiictes) dnre.dd?ru Salreld and his pcsuoable mcroconch, P. (P./isPl',/.rds) an nfri,rß (Young & Bnd). The base of the Bifurcalus Zone is in turn darked thc lißt nPPearance oI P. !P". , D, rLta -. a",ta, BLlo§,1' . r\''_p'" "'r, .. of 'h.. e. d Pa\ s,snfi.int"at-n,. aff]diries ro ü. \ubacnß Di.loton..?rot Ii" L'odrIicr i.bJador ouylosenars -L:o'.\iph"r'e"n rl" 1. rc o c\ o"l-c ,.aA?t"",e n Or,r\nn", Dt"' .b .o pltn -.ct. D h.t ."a-.r,' ro'l' Irr' renl . Si b'cn' .p_. _ 'rpiJi''.o.trrenceorP \Otaspt rte:. pd,u,d1at,bDt Lo"o z d r\e lo.e .n tO, ^o\nal- .a?rt, O? Löio. Ma. !.on.n. 3re repre'-'ed b) he r.'. G' e' r o' /. \A.\Dht4- F\) -?l"nat De Rkt, P.ra.,,r,i^(i.Souerb))6wd ol reire,er ar'... o' rr,sr,"'",.r , . -e wtucl P. 'L, Dli drii lloseü\, h rle mo'. r;' 're ouarr. rrb.or', r]'p.,xl a( earlr repre enälle. or P t,tü fiia1:) o aruL LBulkmnr, re..Erned :r P.'0.. -."'n. oraoi, f no! Jr . J.o'hc p;e oi app.tr{ af P. (o.) ouatiß amtiß (.Bv*nb) üd P, (Krunaosphi ctet) knxn,s (Buckrm). In rhe Arkelri Subzone- oc.ur P (o.) o*eLli sp. ao\. I=P. (Dichatatnösphinctet rcbide!, Arkcll 193?, non Rönchadzd, 19171. Anong macroconchs lypical aie English' PtK.on n"pah-t.t) ana P.\A.i\phtn,R ),,thn P (K)tranau- (Bückn r u, P. r/<.r d. r.r-. at\.ll. P tA . alip,.p.! tB\\ndn Repre.enrdr.e. or /,1 .pinrftr m mLch L., o mo . b. ng Fp^scn.co n r nlt b) P.'L .,rroE,rr AJleLl lr ri'e upp.mor Dan ol.h. A'r-l'i §Lbzo'e, s.l-o.lin.o hon/on, he Platy'ph.ncE. Hoden. is distinsuish€d. This horizon tuks the shod rem inv6ion ol Eprentalives ol the Pr,rrrph,.kr, ros4hr I rl r\. abtupl rpperr.ncc or (presenta.r\e' ol "rbsenu.'meoireil.nean' .pccrcs. such a' P. 'K.aa.o,Phtn'bd .),JIi \.unolr drd P. I K ra noolp h ih.t.s ) Kltu Büaljm ror lhe'dwetro§ lran.veß&sZo .,'n theBuclmr Sibene rhr r o: rr?i'dl _le Fa'. ue roe leDteseru' !.r of Drlotano.rh,n.t?t l-!cn ß P. \D.) ort..ed?n Sztl?ld, P. (D I b"'bnüi^ttflt,PtDtdab'or?rrsArkell,ä-dFpts..rärv6ofPa,6pirr,.r."'s.r.1,.\ As P- (P-) aff. narinus vo$E & Bird, P. (P.),/uxldiJ Bucknan, P. (P.) parundieni De Iano\ P. (P.) otr parandienDebno\. t he bde oi E'übirhr. sub/om ß c@ rreri4d by rßr Nmnce ol P (D'. ha'@aph lal dßaba\a. D?Rtu lrr. al'o.hda.Eiued b]! lo*lv ax'cd rpecre' s.h a P (D.).,,/a/'r,§ :iemimdzlr, P rD l /r.r". De Rw, P t D ) L.tr?lotut, Enrt. Ano E ms"ö. ol hs P tPaiD in k\, D@tlu\ l \ üd P.\P.talf ond?loPAk Ely zpptd Ar.hetppemonpdn at15;.üb/om he fi,"' rft,1a' ve. oi sJbdi

45 Stcno.\! o,d_ ) c '\" i.''r o!. '1' r o / tt\ lt,'t.....'tbJn. r.,/tt1\x'h/o nP-\ln naa.a,'a .r B' .r( , / (Dichot."osphndes) vad& Btkowski, occuß in rhe lüYcmro Fan ol",'-.x- thc subzoE

II UPPER OI'FORDIAN PALEONTOLOCY (B ,\ Mxryja.N. E Poulsd. xnd^. wEzbowski)

A]\TMONlIES: Thc detailcd lriostrüenDhicalsucccsion at the turn of the Bnnamrnarunr and Planula zorc nr d Cinrdl fur"nd, pre c -d d' 14'l.M.crrne 1.._dmi1-r" ',. tro.e.,I io .o dno.l, BrorLr.noloi .i'l- Haufianün Subzonc ofihc Bnnrmm un Zone, ,nd the Mn,ulum holrzon, thc P,oloron horizon .nd the Planüla horiz!n in thc Planuh Zonc. The i'.tigraphlcal posiriotr of rhc ano t . .ta\ ld .t -.ci .n ie I m ho ,o1 o' n" H r,i,n nn \ bTone ol (' R h,nm""m 7tr; Trc t",d mdk! '.olefl- snonrr _ n\'.:o o|nr Borc'l''o'oFdl dm.or.. !. d ?". rcrn ina ..0 r.l-'ofrJ_.' bio f.evror..r:.A1'o4o "rr '.o.1e.,bl q 'n!ho'1g d) üJ A. /P r',1"r',r q' en red r. tPl,\na Rstl'oLh,lttooeelr tP.t Ptotbobr.lt lS"\L calt wc r re.edlv otrco'errc Prtw"," d." \t olon B i \ | a, n o P' o . .'\o ba" " "\DJh.theDre,_,i_orrhuamu,.c',"nd.le.,r'rorpi'o,d,,',..v"',.'0o\\rnarlc - lo-. bollä4n ofrp r K' 1re ldg.an.orc.po"d 19 ro't" bac ol rnc BaJ.cr dne. 'oDorecl :'o' .rr' o' n e\e. 1 he Lr o.en m ho o rne lr,L lrnJn Slb?on" 1'c \Lbmedrkrcned \ic.F,.'o:i " r.l.lose'..olewherb.'"_e,d..,48:.'.mrmnn.s'U/on_ rnda loqcr Hauffirnum'i,.'inaylc Subane olrhe B mammrttrm Zone.

DINOFLAGELLATE CYSTS h,vc heen südicd lrom ndv of thc sane serions, where the anmonites dies have been cdded our B - ro'.o. r\c',npP o'diedlron't''pdof'be.uia-.'ooläod_ 4) _vo ooor oj orrnf ss-lda tnhNc'he Bdto'ia 1 or tne K'" r'dgE 6:dn -n nunb. l!s _ ilra-i. ol tolrrd Dinoirq.lla'" ./'' "re ro r. i''\e ra nple' o'l V'dd'e_UFp.r o\romran o. C. u. Poht'ö8,." rnJ dc.".'ed. o,igr,p\y A' NJ, Lhe) do orr o Fa a " monile biosmdemphy.

BACKGROTJND rB.A Mrvra.N. E Poulsen,nd A. WicRboprki) ihe m=ri"i mr or ä iüdr ldned o. rn co op- iÜo, b.rsce oeob8nalln'r ur.. Ußerrr\ drwd;""6 ddGtU§.flcprcßcrF Upponed firr.'.lyby.h.'he D,nrn Mrn'rq of Envi@;ment Md EnqE, Ghe Ddish Enersy Asency). The prcjerl "Stratigraphy of the Pollsh Middl€ to Lale Jürassl. Epicratoric B$itr: r.cies

lhc Pb,e-r invo ve-.,rov olbe Ba,o. rMidd: IL'Lq'c) oramic_n.h!lav'ton" ....*'.nandrhe\uleel;lncO o'ä rnoiE'd.cJlo'ian JJrasr.,.ebo-t_ i1."roi.Polüd.on hr _or basil o, ros so'\. mooel. wr-l be p'opoqd lor rne EEronal po'er'itu §o üc. rGk' dd ro' cdbondcr6elo.',ina.socidlonwr\.dlr{n!(E'TheJrdli.luoe'{drmenolog..al. onvrcloetrJ snd o'!m. seGheni.dl'a!k'oe\rDUon(rn.lld'nE prlvdol&re,dd tuont) inätv*'i. ana qeitron ol a aerailed biEh resolu ton coa.lärion beNeen Ih. Poliqh §,#.-;;-,.-' Pm\ m-e , nodlrm Tchvm ealm, od Lhe §rbboreJ Prcvme o_ üe \onh s* ,*" .-.--mtroni md dioo'lai.l..re zona.ron, E$,hl..t nel. of i deu:l"d lrsh rsolu-o. .rauer"Dni;.b;e ron ot,hipolirn subr€dMnme rrodn.n l.Lhy', Md e Nof,h sea rea_suoboe' .uarrsraDhv rahroDr'oÜEraphv and oinorldg'l re /onalioll. D.-riDU6n6Lfdr!lrdbd: t.ion dFlr''oi roLh"$koh§hohlElroluÜonsüaug.pl-). DeEiliosediocnroloE',1ddDa,violoqrallic'ud:orpollnofs.'e Jnd raryntv 6dlv''.\ raoa( de\üioüon oIrh;oem. n.li.lJv d.oorb.nd rlE o.e'.vins. irbo'de sequence ir L\c qouE. ,od\ aea to DroDoy tr;dcl.lor hi E ro0.. posrbr'i rs lo' lu'r*i ro.Ls bd Elarion b sal shcrms. "-h;.,"..(aa's 'n - i-E-Fi'R-TOF THE OXI'ORDIAN.KIMMIJRII)GIAN BOI]NDARY WOI{KING GROUP

In 199?, ellons have co.rinucd ro advmce rhc Prcblcn ol rbc corclanof of thc hasc ol rheboreal / sublroßal Kfifreddgian (BayLei Zonc, Dcnsicomh Hoüzon) $ith dre base olthe submedncranean Kiinmeridsian which is slillclßsically locrßd berwccn thc CalarSubzoDe and rhe Platlnora Zone {P.tyrvrarus Hoiuon : Abops, 1994) Intü sub mediterme an ptovh ce, Sood rmmonite su.cesiotrs, Relllocatedo. severaL setions olSwxbia (Urper Danubc vauey andlochen ca, SW Germrny), have recently been .r.deob \ \.p'Ec.r,nd.a.l..o.\loo- arr _ rr'Brar orLnPndPlor.Ll /on.. rriie, rF Bt' trnr rrorvon.h,.' /.o Ur'Jn.'on \t.a' Üo e,a tarh'a' aPP? r d\''t \ou iA^. to..7o. of .l. H,üt..d'um S.b/on"\ deO\lordr--.of .heTd5),n /".'o Tl :.m;,.ono-Amo_bo.'ro. o it. o,uon 'n..eodeoi rhe r o;otrJ (, me ioli,n (Bal";/o ., Den'ico..u Honzo snet A4a-bo ttdt L,a/1trt ,OrE./ r, dl.o p'e ei r l, oi'eqr"n.c..r'ein no! Fd r r'\. "r pperO\(o dm-' rbn Inür en. n , ö d.r.s 70 e'. dnrl'.e/olh'"e,JL,,,.sc.n'.ieio.'1,'"rernen.'es (on'o d,n' rel l'.,.," pF.cleo dJnrs \e O{fo'd'd neeuog \ hLh s} r'ld i tolJnor\!. rw -ö--8Mr too', ,'-r.on n..eußllotpland. C.n,'r Pol.no crc prt'enied J rn' rL' ' of rlje B.jn.nm".' m dPL'r'Z.re. l\e Hauffianum subzone is subdilided into rwo horizons, rhe Litocerun hoizon xnd rheBoilii hoizon. In tüe lo*er Gnocerum horizon), occut, besidos subnedneraneü foms. typicar bau\n i'Oppe. ana P-tarto h4r t nal bo "al /.üboored. ro ox e t-A t "Da'?ta. BL.l rdn .he pre.e tc o''liese 4m no' i'e. .l o". .'.o :rd'1.,o*er bo.nd-ry,''t . .b red --der Nn *'rda,d Lüe. I kt''rb r\_ Hr Ttm'n .üb/one. These rwo ne, works, cdried out in Sw Gemdy dd contrat Poland. aE ihnonrnt cortriburiöns ror the codelaüon olthe lower boundary or rhe Kinmeriqian in BoEal and TethvlD Drovin.cs. Thee is now a leEe agrment to corsider that the subnediteranean Ple;la äne codelates with the najor pd ol the Baylei Zone. The bde ol the Platynota zone (Bayi holiDn : atöFs, I994 b) cor*ponds to the uppü pan oi the Baylci z.ne (AtoPs et al., 1993). Now, it renains to nake lhe ldl Eait, l. c. to choos fomally in England üe refercnce sedion'o',he Kimn., dE'd osrP. As n tr6 .o_d'n ü. lLr N.uöler.'A'@p.. lao-) dd in s.h*eioddd Callo;on rl9q7,.rl! bdchoice lor dO)sPwould oe o'euonlor_d i rh" Dohei e\en il roe Sonh F., 'bl .e,rro1(Lincolnshire, Cenutl t,Eludr I notr rrl' erDorededdGudenred{sc\treiqeddd.lllono,loo/r.horhe'rTedeai'ßu"d.hon,lb he oI tuns5lerd. DI i..onv'ri'n"a" evr So, in r'.orddt' wtrl JH srnoundi.o\ 'ome c,llomon,*io.,.o.died d rhc $ e.r rO> ni' Pron vii. or aL.k He.d/ sou'd be molr convenie.i o.e of this have to bc choosed fomauy b, 6ur English colleagoes, as primarv sknd{t b6är sbbtype oi the Kil]mlidgid. h ß älso n4;;d,o {hfl acorph.e.urv ßreren.e *. ion .n ü" Tcthvsn R"rn Inc lo. J,irF( ol .ru+ol änd cl.5.eane' i d'o7e Lsr Frm.e'hzve b'.n Prooo'ed ra"Ör^' loo5,. Tne.1'or oI Crussol .rbebe.rbsdu.'I .,pplß' a d.Jil.d bio'u,ri3'Jp\i. m,.rrnon md ä lood m"seroqrcuqEntr' (rl'\OAr ino A'ron 'n p"pala.ro ) Sonc O;mdv) ffi a.'o1m'hn \Schwssen,'d'.llomon'co7\dnd \{üonsnS*ob:rs\l _ q'uon\. üer'al-ow eood.one.auons k't r\c ErE,n\.m'orypc. AUL he Sorth*rcrn Fr m. nr;i rirrv_rhec $o-suordc6\ ro oftd.c tr rth me Oem b onc\ ' li(;uld b" ds ,ble ü"' rhe 0r\r wortunE croup M*r:18 ralei l lre ir sourhem (Stursd, n orcer b u.sir rlre r aior\ Mo d'. Ls rl e d.f i:ve P opo ol oanür) Cenry 'ls ridsc.oidrry iarorlto\ Tho loflnal proposnidr r rl(hc ro(c vllbc Drxdc be6.. nrc cfd .l

Refcrcn.cs

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FIFI D MFFMC IN SOIMEN FIiNCE

Düring fie prinun8 of the pElenr Newdefier.rhe tst M4ung of üe worklnccmupis rallnsn!&e in Southcm France Fbncois ATROPS hs orgaized a field program devoted 10 candidab GSSP ections in Ardiche dd i. Prcvcbce. Novenbor 14ü will be devoted to discussoN on the seolions, scicnrilic communications, rcsoluriotrs. fu her prcgrams oi the vO and revision or annonito

49 The resulß ol rhß Nlcclii,B w1!Lhe \unrnrrir.d i' ihe Newnctcr n" 9 olllre Worknt3 CLoup otr KinmeriJlixr - Tnhooiaf R.undary' 'I'b. l'ilhoni"n lvorking GrouD

Tho Dncctory ol the Working Group has been puLrlid,ed in the Nclvnek, n" 25 IT|T ROI]NDARY LIßRARY The rcfe.eDces ol ncv papes conceming K/T boundary. Ettrly Tirhonian «rrn3rxph] .,l o.o',. tr.ßinL' 1{ o.o' .le.e'of . . F"drio' -'_.. P.'.4'.' .e Po Loll, ..m n' .Edtoth-Vcc-hxm-' on

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iou&P s lzpel8E (Eds ) saRllc ( 1996) . Ptych.phy l1o.e6 bnutatun (^mnöioid{) iuo!! sp{k d rrc o Phdu (Abi Msidrcnri riir) M.h. sr. c.or., a7 (199, 245,51,I n3.2 pr scswE cERr a ( lee,i) . Hislodsh

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(tee7). Eia artdcaa-,phant: arrs[da{,rß (co@!u) a( dtr wnuders rlmnioi (B4kri%ft,^ ob..I(iNnsr4iun) d$ Rodo (scivoz K' schd6Ncol Jbd. scvENs 6 R. (1997) CHERZINCER A. (I99?) . H4OY

. U- No'D,yeb a6l19c6(r 4),1271

50 L

L

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- 6. JURASSIC THEMATIC WORKING GROUPS

5l 6.]. WORKING GROUP ON §TRATIGR.{PIIY

Conrcnor: Dr. Nicol ii(tr(oi, DcDarlrnefi of 6c.l.gy. Bnkbeck Collcgc, Univcßity of Llndon. Nlaler Stect LoDrior wClETHX Enail ii.ol.noßoD'Aud.au Lk 3rdFebfl41997

ls.IS workin, Group on Semence Sh'atisräbht

The new Presidenl of dre Inrermrional Subcommission on Jurasic StGtigEphy, Prot Giulio Pavia. has asked hc ro take over a\ Convedor of thc working Croup on Sequence \ur s'dp t. Vl predr ..o'.Po Ol.rM''_1._' ü13\F.'t. DDorr'n.en c .on.. :or ol qh':3 dp\) 'ao(I S- "iaC.n- o. 'T I ' ' a'ror " _'nIer'.-.opnc(.o.o F ro'. ..r h"rL ".beeool-s'.,i'poi r..p.e d,oceo.'1 rc.e', ' .r'.':-'.p\e'. h, "o or o.on.nbuk ro rhe '1,xolt\rnlli,.i . \.del/ d-vr'o!;, o. eqir'; {ra "pnl \e1 cr..i'bero d d{r.cd "pph!"bl' b o''ri'e.0 . .toin_"o. L_.s lmon r.'nd o'\o a'orp. (\''\ n'kc. po nole pr.Le o. e d';.1o. e,t' rrr-.ba'-er'. IreEnt os. q. r.i irg loll e' " . rnd po ibk glob"L e\e \r.hed( nsunhetl I\op" r.'"yor . l.''.ra'o.roDarn.rDJ.srd o''Di-ro!euorl.n, CrcunraEEeme' Bnh nre ",."p

6 ] 2 NFWSI-EMR I:JULY 1997

CON'IENIS

C Jums,.Slmposuminvrnloulcr, Augun ler3

Ihdnl. F tr re.no.e.,our\\or -ECroJporJ"r(i ..qlence irdiErdfly i' .rab-ßned dnd'o I ;n Ddr.ü|tul\ pha.cd.o l-..' T"Tbe'. wo'k'ng n rndu.u,) s. re'l d in a!.oemh a1d Eo!.mmen.o'ar qar.ons.lhe,c pmrr roTF sdp. rn cpresenGrion,e e uqa _ ,nos.nn a n.a. -oo.eäla.ncoutoec orh4 col'sqle.'obaonc rn\olved Tl n n o'rv CroLD 's ro -naotr rrd e{ouraec , ool., or. bJ ellhdnBe ol rnfom a' o,. :d'.' a1d ,u&;5r'o1. l s oo'or hrtc to F do+''ötral'i r\'oush üe wo'U gcrcup. üouEh i. r o-rid be...e ro.er 01" - kotr $id .1spp.nkg by rrdrng me infom.Lo. ror i!]l:ion in

52 rhtuL€NeRneder ThßliNr"e\vsletsrincl 6 tlrtttdtu§c\.1f3'ricLPdi'rg ntmher\ \nh \\c'1) nel nm IY olLeirr.h \- .l' rluoe 'nttoij L'. tr''d" 'l) 'l'' " .' ol coNmuniaarion,', so that lhis Ns*slctrcr ß bcirg distnNlcd ' h) EmaiL ex.sPi ro i tile nr.n,lre,r vh. do not have the frifty. Sincc dtu ß rhc nsro'n.I §ilLhare Lsed ilre h.Llrt lnr D$(.fyon.I would tre s.rlclL lorr tJncl &ktroslcd8crncnt olreceitr,rL§t r.ln.1r th.1n

l;;;terur b olaf Michctson ror his hclp rnd c0.oumgementbne in raknr! ovc' c.nvenordril)-of rhe workinS crouP, and to BnkLr.k Collcec for s,ppon (r.$se, rel.rhoD. etc ) ii rhe p.clrmiDary oreanisation. 'lhe immediato financial iutue of the Working Group ß se.uE rhdnks 10 dofxn.f\ Irom rhc lollowins oil compuid in rhc UK: Ame.ada Hess Lrd. London Amoco (UK) Exploration Co, London B P Exolorauon. Sunb0 {n Thanes ElfE^iLoouon uK pLc, Abe«leen

R.naer OrL tUKJ Ltd, Curldford Shell UKE\ploErion& Prcduction,London

C Juß$'c Semoosrm,n Vdncouver Auqu{ 1993 q/'rcrn cyr poliü non rLf,.'i. A.noi ol ror dhczd/\ ou üe 5th IlerJ ons 'hc wr,'bc nr'd | \ a .o treron AuAü' l2--5.lnog The Org,ni'n3'o' nir.r\.i.dgedro mr @ue r io' pn ia. trsron on cqü' .c. kr..graphJ rn rhe rr'.. i " d.llo' ur.on iboÜ' ro tuie.. .dlb.'r.'.oedrn heir.eco.dC'rLdole,ooed...r.bned"qds_phrb'' llf you didn t Eply to the lißr clrcul« contact Paul smirh .r Univesily of Britilh columbia. Ftr; [email protected]'.ro' rrerr\\ebSiF, \"p ' uuv.ao.ub!..€/lura 'sm n. 'F l-or.,e,-*ioq o' .equence . EUg., \y I uor d I l! ro en.on4ge d.' ß :o1 n d "'cl"nse oj ide, , d'nlo:nd.on mrher rh.nform-lp'.!r.'o' ILnder".nd'rc Symposium orEmimß will ßk for manüscripts oi papeß for publicaiion in rhe pr@eedings to bi: sübnitted at the besinnins or rhe n*Üng, so this lakes cde ol Esponsibilities ro tunding bodies. For the heetinE itself we ca! then Eet o. vnh sonethin8 noE useluli hence Lhe followinx sueseslions ior lomt ud content. For each conribulor the ionnat 1 suggosl is: l. A po..c' wnich -ould d..pl.l Lhe m(o nd'or Jnd dok o q\i'\'hc rnrcmreG.:on aie ba..d (also rhe con Iü.ioo. rhe {oD Jnd zlroq ,l-" pouer ro'rdnd 'o!omple.e PRrn.dion 2. A rhor. \erbzl p'eledr.uon (1 5 . 0 T:nüF, or '\. ?sJ.rl. lon.enudrnB on rle n,er!?rauon.( diltiIkANa.mcludmBco-ideri-3oü.'po*'ble.nrrpreEhon ilonly ro {i nirr. ü.mr üo emphai in8 @ t["brL§ sd IB n'on o'di e. 3 r'm sr' eJ t oNnralon to' md dr\u$Dn (i t 0 n .rc.) a,'o''.onienL lrsse, 'rüquo-\i('r^,.-oronrblbr roaooFn rFe'o'row.ng. 1. What is voü datrevidence, dd wh.r is its quality? 2. Eov hare sau.nc. bounddia been MoEnisd and detued? 3 How ha§ rheiequ.nm {husraph} b'.n inLo!rchd:D L._ms ol'd:i re'\üi'm'wtr akernan\cßn-i.rh .ber.on(ideFd,mdwlyhavc-hqcbeenrjaredl 4 \ ha, r. utr evrden e, dnd s qia.rty tor dt oa +. *quc-.e!, 4nd r'pdDl y seoüen.. holndrie': tlos rc-hble ud howoeße G'hee de§(+lar .,ormcncalune.'olc\deä o'o"'iß'*oJiti]'** **" -" -ee*,ron, io, -a ai,cusion 6v tr* neßbeß or ,e \\o,L,ns CLoüb: rio Fd I voilo no. wnl "o.*"nro pd'rJe oÜq'rvlci of D'e e''dio1 /e 3 hksaed ;o'k by'i gm o m &i or pai.L'r .mjgnoh'.. tr en,l WeIAe.omejme 'f to ßodify rlrcsuggc§od to D.ß cic §LggcnioDr ro me oroT.q loulroi { (is(l ( (Email in monberhip lN) 'ngir)

I hote'I hxrc lsrcd aiL your deta'l\ .orcc(lr. aDJ d. !: j'sri.e ro you. .e\exr1h n renn,', nfuA. h r0chJve iny.one.r in\ Yo!l r i,lirhr lhrr exclud.d rirLcs. hcciusc rhßr\.n iifon' r \\ nk gCtu ' 'p.

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lai aa 1]l661313a

Am Benba vLL§EioR. D.pmmc

E Bookrcview

Lßr vctr ( 1996) Bla.kwel s.ic.€ published a book which will be of inteftsl to nembe$ or this Workine CBuD. I wd ßkcd to reliew lhe b@k fo! the Joumal of Petmleüm GcoloSJ 6ur nor sce 'n, J)L Te 'r you woü'd lte rfomdro. I -p"c. i anl ol to, u'l rl.r lo 'pl_d'e ,bour trJ, so Im cKUlrr'n! wiil' ßNewsletEr D E nlry rd K I M}tß ßd\ ) Sequeoce Srrarr nhy Blr.L$. lSc'cn.e,osncyMerd.O\tordOX:oEL LrK ISBN 0 632 03706 7i papcr coreß. 2r7ppi !29.50

Shtisüphy hrs brcomo lashionablc xgair. As ofrcn happeos wirh the .cgodcrarion ol ! bl@r, thoe is . e.son i rhc d3velopmemola urllying rhcory lir ceolo8y is n ryh.tc. ihis r...'lrxd\..'olPla,cT..'oni..: 'l 060. ro \r.drg..pr. .. Fn.. \r{'x 4l ß r'.\co').Tl' bo,\."di-db\ Don'r'. ' tro t1. 'o,1. l.'.'v se M)l l'6 contiburions by scveLal of rhen colloagüos, is a rimely guide ro rhe subjccr. ' voli'n.o'..p.\of q'i .e.'r. rge oev"lor.o , l- i.i1 1 I' .i\iJoF o appo.r.o' . ', li' io idi 'p\yqe+drz ,.1, o np. dorelop in such isolarion), bor' Eixön Gscarhc6 lre generally acknowledged as founde's. qidl rh. wöIk of rheir rcseecb grcup (Peter Vai! aud colleaeuc, inrhc lare t970s rdcrrl, 1930 s. The unifying rheory at thrt timc vas the role of eusatic sc. lcvcl changes in cotrn olLd! ' -pi \,o..or.edrmer.r.tr'.h'oro F ro .o ,1 '\e S .b.Fqr-rdv'Llz'orofrn.".i 1 olpl- 1 ^ o30 dnd tooo .. a. \ q.o .c''.'.tq, ildecoDnlj..'. l 'oendü.h Bri i z;'o-n ?-'dop eo .-d rid.u\ed se I o' .;'\ .-- en.e ",...',,:p'J r. subjcct k fimly srablished. Doubß vere expEsed by somc about the conclusions rcrchcd by rhe ExxoD grou!, paniculdlycon@ming thepdDacy ofeu$rs! dcontrclling mechanism. Rclarive sea-teycti, s"hor..oi Drauon, a, ro ca- c..x L ro D" eo bJ rn. rr rt.ä r di n o.3r.or'e ' "Jop ". \rb'q. oI.equel.e Jr"LiBnpl v.o1 rd o b. de.elopeo D) n AnJ nd \' 1. .'ro gjo'p : !9.r.'no.oso'krreLl.or A..,n'nF.e.rdr äd.i {rh."jtl Eood links with tho industry.'ndü.'flh'dale:llgrok my inpßssion is thal somc of rhc ben *ork wäs beins donc by BP, notabl, in üe Mesoeic oilhe Nofth Sea. bur I hasen ro d.knowlcdse many vatuabte

The contribution by aP w$ the resulr ofa deliberare policy, as acknowledged in rhc PEIa.coi rh.. oool. A mü.10.- ip.' ., Sud S.uo e C'olpu,. .. .prode\c.oo.t- .ubJÄr e.Jphl sd Jpp.J rcal. '. r l- ae\plo.3lon a0d d.v-lop oc' 1- Nonh sp4 änd roprovidc fainingp.n:.'n 'a"o..(bu, ro' -\dL.:vnjJ rn-oor.. TlIr boo{'' Dd ed on.h. unp'bli,hed.othemanLal..aldF.ir:br'-rohed.l.o,.ldr.'epo.e.....red.to'leJ shingly inteminable compmy reoqdisations (and I vrne as an oußidei liro be publishcd. ,Theboolnol3a1ncdi-loÜpf!.Upponedb\2,p'g. Pon t Hituimt Perspecrive (üe chapte. fie wE^) Thneilecd.LTradD\iro;colper,pecuv.onrhc.uoj*.of-hrhrnoE.a.qr.oJ.L I o.t wil är uniortrn!'e confu"on. Fin .' purno.ß ro J.otr r d' "i.r!- ber"een lirhosthlisraphy ard squence slratigiaphy, but conauses sequence sketigraphy wnh chrcnostratislaphy. They e not synonynous, dd tte 6eue illüsrares rhe larttr I iound rlrls satior pdicularly Evcalin8, b*ause it seems to illusliare the exlenr to which Bljtish üniveßiües iailed to teach suatigraphy lo then stüdenb. Tbe aulhoß' trainnE in rhis netd apraß to delive only aom oil indusliy oüsd. Thus, ,ll rie discusion cenrcs on Afteican rdes,Gillul), Slos eE.i ilo AAPG and Sl DV p. bh"drotu Br....l and' uropod {orl ru. h a on.vllriß m the Jlras.tr oy Ionv Holldn o. on Car bonler oL i m.\orhin\ b! Sill Rmbotom, is not mentioned. Pan 2 Concels ün Pnncipledone clüe,.. 3t Ddzet In this chapte! tlE b6ic concepb and principlcs of squence statigmphy aE explained and ilu.laEd.ln a.ubßr bedevrlled bv qacn, rn ü.o1.dfl \ed rmrnoloBJ. rh. auriors 1."\c ben l€Mnab.ysu4stulrn rheu eipltuIions. dlüojsh h6 b lx ,a.o üir l"rsor rrna.ß a problem. This is panly overome by rhe iuustations, whici e clcar md wcllpresc.rcd, lhough sometines unncc6sdlly sepmred from the Elcvant tcxt. Ciiti.isms cm be nadc ol details. snch as the Iack ol a definition of rhe bm bsir echitccrurc ' and of rhc iix.tion *nh rifr to passive-maigin bßins whicb h.v. a shelf*helf ed8c, d@pcr üasin pronlc. Otlo basin Plofil* ed @ronic seni4§ e hardly mentioned.

57 The authoß clcarL] dßliDBUi5h herw.Dn lch!!c sea.lelel(*hich bc contollcd tL lcßrp lly,bybasin trclofl.ratrdeusldicser lelel (whi.hß 'nq . . an."" ol .o''-'H, ..lq,. . n.en.'ndePc'd.r(olhr\nr(ccroni§r. l,"l-r\!'l'd' or{oeme{rris',Flrltre.r'oeJ'd'i J". .'r. eierel I 3- . r.'l:gl 'i .'eb;cls'o'nd ll:.. r rr {"a oo.J.t1.'l 'll )i1 _!r' l.r''rrl o' .r"dek./b''',,r1 . h trk"', .a'J', o. -'J {'l \... lo.e! nl ' forcc olsequencc nrinsrarhy,lhis ne.d no( be synclmDous in dillcartr äßä\, so tlHt tlr ho,nd" c_;l,eor h,.: I- ,i dba. 1 bÄ: . r üoiär' r ['.. tr. .sn:, ro.o.'t..or. r 'oi r,i rP'.o"1^-

Pa 3 Scauete Stunparhichots (farrchdPkts, ö3 P,36) t,,.or.ae-ibe.\;,.,t'oot o. .qrr^ c'. )lr, l.ovxJ. ,. .,b.]._.e. tr, o '..;ct ' L. r' ,...id tr lL lr .L b' _ .hJonor-dsD,'.\,fl.d.oF" 'P:o ' ih' J.'"d.trr'.. rorekmDk.r 'l- t , er on -.' . r. r'9r.r1 I I ri,'o.''d , -' J'. mjqraFd'.,.' tJ,,.'.ino'e, l: 'co.J.,.nedc trorlo " o ttr,lcl r'o i tr p"o sLour d_f. .r 01'r' oir ' ' o.4P rL ''c,."d-+oo..oh.on' - ...i0'oble.u\",') ".o dr, ..eDrr'o": l.r'c nl::.r,".' doao.eg. e111^g_ "'or'_Doo\ 'a sone'oDr,s dJ-q. " eb co\ed o' nore ge0erll 3m'', or T''h",l :pF' or 'hrlos.u"c..ü '1' r'' r'ition.''\ d'.'.Ln.onps ontr 5o' ' f.: dJi.'.1 .' traur* {a.s,nr ,,rrr. i'./eld'r ed s' ).'\r'\rpts'o Dro üar lr,ohv r'.o 0...!'e.'of:.rs uel r ßood bL' on''d' L','ofo r;r'l' ^ -m;tusroJD) Vdioio*il Fmup. I a,tlr sd ä r-r"or.e'e0rhorsl l-_rwoidt'dl.dJ q'al) fo, roEnr.r op L'.ore..r.i 'J'n'd.'rl4 rrr Jtran. om- i.-o.o'i ao;p. so rdpio\iler\;I ro.o'&'eoio'.ra.iP Dli.or'n" whlch is vital to underpin sequence §rxüSraphy ot lo D,pa,t a.. 5 -t'tt,Ie nof,,',.I5aPaa. Prda Arr\, o': '_ thc rrnil. dnd 1".a"!, Dd. or boo. o'..'. . ano.lru. r" - 1_ Pp'..-'o.or\eq.en.e r,p'er on oroa n.l kc."'d nx.;:l;r..and.doohr!.'.r.'oilo!.dol . ' \vd'o a bo' . oL(e ro. q'. Tl e.e !on..nr"'' or 1' ojns ri . ol dcpo j ionäl.'y r.r. rd '- . Sore reJl e\. 1 p.e {_ \u'1,.d't'o.En in r h. rr.on bü' I drob-.on.unarrn"..'i " world I 2.. I \ed'o'ce mo.e n63ar'on oln od'l - I _\Jr p' Tl . e on'\en.on.lude' (r trnn o chsFb' or.onp er modFll .3 o' b-i, nLl grve. "'-nrr'l) u e good.\ar'o e. Ü nor mu.h'io c mdr\4rc.e\3nceol'hi tr Eso(rheboo! i. q - io :t'e Sequence starisraphy is an inportad'o' and useful bol in rhe analysis ofscdimentary sJ!e+'or! t hß boo( h nor ür'r.. uo'o in a..nul o'.1) e\o \i.3.ubje'. a. rhe aJrhor .rare rn r-i. Dtsra.. lr doe..l.oscv... givetler.L'ere-,."boJrp' n..pl.s rnd merhod., a.o\omeli.äla. Md rd,.Je-' jür. m ron. -r cn si'|. \ m trroel) .opieo Jnd 'here (n Thß hook shoüld be a be sell.r. '. One nnal word, thoush. Sequencc statiaraphy is a nethod of salvvs based on a üeofl. lt nust not b€ äbused by oveiinieipEtation ol available dah, so rhat all interyetations of süinentary succ*siois üa lorced intd a F!-detemioed model what ir rhe nodel is nol ,lways Elevdt or @dr?

--=[e-doi.m,,..'.d !r he o.l ' orod.\ w.l en' re hr ü. !\ orkjls crci 'r -o' | .onhnle hrL onl\ r vou a, n.nbeß fi no i u*rül dnd, o' urDure o' "ranple. pLeÄe *nd ne ne$ o_.ricE'..'u'h.. nlormarion 1boü' roluconrns corle'"' cs plar.ned lieldvork md Esemh uoiers) for inclusion in furu€ Newslctrc§. ar nrer l tlxni liJv..orc k.hnrdl h a'im.. l u( Mrr'o \ co npJ ec md l _ hi n..bel:nrnknu,nsVicrc$.rwo'd \.a.on400Duc..l.orld r{"Tore Jp ru Ja? r.( on, The fnn- $ne;,s ludora \rFio l.4.lrßm) ,uveidd ßcdb\ ;v.oneder.)'kr bu lcMnoL.ord'deFa.orgrhdürßreL'db' üe ts!' c.3. J'rnsbold. Ji *.

53 .r A§ ro aLrs.nrhr. I could send rhc Nr\YsldLrrr\ txtrh n , §irh ln'rndtel (exi rnd .v.r d :r,iDr, hui ho( [r.r.l lon conld rctd iL] Sont (r!lri'.rl ..nnn.nis rbonr ihc sirn .trarr.u.enJf.odrou()uLJ rFpr..irlcd F.i irc,ntureltunconsnhriigsctinsr!rWcLrilchc'c(rmt yotyou.ouldlogitri. nr.hlrrtr irnn,mxtonor F{i,lLnnaLiotr lo' olhcß. ag.i1r.i.ln.*1.tr rs drn x uselul drng io dorllreoihü{rcqe§i.trnroc!lbLnlrrr.L..i.tr,.trse,dß.u!n.Dg'ouPosingMrilhrse liiniLll, bc.Jure rl,i\ i: tl'r tuJ I n..fnsirre rl F:rnsilrinribrh.n \!irh rhe W.'ki'rg d ,'r '. '. o'd.i' 'r ,e e n.,ol l

With all be$ \ynhcs, üd I hotc {ecan dl meer up in vnncouvct

6.':EEIoR,I' O[ AC 'TVTTIES IN TIIE JURASSIC MICROPOSSIL GROUP IN 1995.97

by Niels POULSEN

T\eJ,':.i. v..or..'C'o'ni.'rnfo.m'lg'.üno IslS c rl h"'be'l .o r-.r'iE l0ol o. .'sl\ i 'l'M' rdo/.. Al8ei.rJ4 .oe .Lr.ei. 'n d ,."br .e ol . I r r ETbe ' r ü. m-mh-i,,r..'ude,o""'i,n'r0'.iei.:nd-comp- 'e rr..lde.,na.\:oL J xdo.e*- .pu rt.,.. nen' prcle.. . dnd rsen, r,\l.dio.. A new sleller has bee. produced by rhe sccrcr$y (the co secctary Kalen Dybkj aer has pre l {o( o. 'l. ,VC ,ecre.d.". ll.e \ews n cr .on diTJ .1 oru ä.'or r o'colc4'vie.o|teuoriilggrolp"nF oIlsJs,on ulconine nreedngs within and oußide ISJS, snnmaries ol curcnt Esearch ol working lioürs. ,roceedings or neetings, information on lnternet dalabases (hone paser, and A'raoryo. rne lr'S. d(o.l rssr''p a r'. r. o'1" lvc'.be''3l.lirr.o lor.l.ene\

7 - UP-DATED DIRECTORY OF THE ISJS

6l BURIIAU I996'2000 (:h5irnrrton: t.!,1 (i! P,\\'l^. Türino Uni,\, n\ \n\(hri'r",§on:F' l"'ru.YOl,l'. O\ \i . 'l' !l\l Se$cläry: Dr. lnhiuLo CI1CC,\, Lrhno LItriYeNty

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cosb o! th. stry'tua Phya n o wlu64dLPk.dhclwlun.'oPikERügPfu4^bstd.t slnposühbotlu4, oü@1J.. bt tu tu bdld.d il th. R.ci'totua l@for cu Ponbtptus mb,s. rh, c5äd,cßbmssdEntryR.gurldoß q4i4Lndu d b löt tui.tu dan ndircLude the Sl\pdtin hr.idirs'. Th2 aa oJ th. swßish Dinrü d oryninc Rqqbn e indudedk th. R.skiotun lpJü pdntirc nerbüs. ^ür ficy bay b. ak.d b ptuv. citießhip A div{ : ri.§ic BY AFTf,R n NoT r..prd ß prmr of cirimhip P.noß yisitdg nßRcll2 MARCE2

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