II'IIERMTIONNL SUBCOI,,IISSIOII ON STRAIIGRAPHY

/ t W

A SUBCOI,lIlISSION OF ]HE INTENNA]IONAL I]NION OF GEOLO6ICAL §C I ENCES (I!6S) November 19BB

News-letter No. 18

The present newsletter incfudes the revised member list in accordance !^,ith the decisions taken on the Lisbon meeting last, year. Three new voting members have joineal the subcommis- sion, and, therefore, three of the former members have changed status to corresponding members i.n agreement with the statutes (which were cii:culated earliex). This henber li.st is valia until mealio 1989, when Enay and Mangold wil] become chairman and secretal:y, l.espectively. If there are any correct'ions of nahes or addresses, please inform Olaf Miche_Isen as soon as Possible.

In enc.Iosure 1 is presentedl a rectification of the ilecisi.on concerning Lhe Middle-Upper BathonlÄn boundary describeai in Newsletter No. 16.

Meetings: The Bathonian norking group nay held a meeting in Nancy (Eran_ ce) Tuesdey afternoon the 3ra of May 19g9, before the fi.e-td meeting of the West-cerman Subcommission on Jurassic Stratigra_ Phv.

Two fiela excursions ate arranged to take place in the sul oer of 1989 to examine Jurassic sections in the hteslern Cordillera. These trips will follow the meeting regaraling Jurassic systerD and st.age bounalaries in the Americas. to be held in conjunction with the Int.ernational ceological Congress, t{ashington {News_ letter No. L7), - see encfosure 2 and 3. Repor.ts of the Bajo_ cian and Oxfordian [{orkj.ng croup meetings are includeal (encIo- sure 4 and 5).

Arnold Zeiss olaf Michel sen

-1- Enclosures: 1. Rectification (charfes Mango-ld ) pärt 2. rsJs Jurassic Boundary Field Meeting' July' 1989' r' 3. ISJS Jurassic Boundary FieLd Meeting, July-Augu§t' 19B9 Part II. 4. Report on lhe meeting of the Bajocien Working Group 5. r'irst oxforaian working GrouP meeling 6. Report, The stratigraPhic Research on the Jllrassic Pelaqic sediments of ltaty (Fabrizio cecca) 7. Member Li§t

-2- llnLversita !e N6ftcy i Enclosure 1 Dapa,r€me.r de§ SciB.ces de ä -rerre LABORATOIRE DE OEOLO6IE DES ENSEIVBLES SEDI[,lENIAIRES Fecherche tondanentate et appj o6tiofs

Char es MANOOLC ":l*'

RECTIFICATION

G, \\'esrernann in a shorl letrer revarks that in the Lisboa rneettnt drd noi decide to ptace \ve rhe Lo''er/\,tiddte eat.ontan lou;Caiuj ol rhe Orbis :^one,-as annoullced bv ihe Subcommission (Neu,s_tertec n"iSi'tn"i;"-;; ii"*',r,o,.*rng sess10n. 1n rei!rn. g.orp \"e ha\''_ proposed to use rhe Submedrierranean bounciarv oJ the substages at the base oI the Retrocosratum Zone, between fl"iir* i0'-Lfi"gi,.ä"rä. Jo.recostatum) and hc zcn 1l (procerites quercinui). Thereiore in ihe NV-European scheme appears an unnamed tlme_stretch 5et\t,een the restrrc:eo Hodsonl :one and Orbis :one. ' '

N\I'EUROPE SUBMED]IERRANEAN WESTERN TETHYS

:O\ES HOR. SUBZONES :ONES I4 RETROCOSTATUM OR 815 13 RETROCOSTATUM T2 B LAN,l: ENS E ? LI

10 HCDSONI BREMERI 2

N.B. It is possibte to held E, Bar-or..r g D i eer. ,g \ä-, Tuesday afrernoon rhe q8o _ro-1 t.o. -or ). F-ar.-r Jth of \1a. bE1016 r1e -.e c-, eer.rg r, e \\ e,l_Cerm.,l subcom mlssion on Juaassic qr."r.t.ap.1.sc.tF 5trar-grapl . rDL'c I Ko-1-n s..o'1,. Please \,rrite to Charles \.IANCOLD as soon as possrble organization. for the meeting

Nancy, 1e 26 ocrobre 19S8 h o-^^r-'5-

B,p. 239 - 54s06 vaNocuvRE-LEs-NANCY cEDEx GRANCD - T6t. 83 91 22 zs Enclosure 2

ISJS Jurassic Boundary Field Meeting JulY' 1989

Part l: Jurassic system & slagq boundary sections in Nevada & Oregon'

Ercursion leader: Dr. David G' laylor Oepartment of Geology Portland StatE University P.O. Box 751 Portland, Oregon 97207

Oblectives: ln Orcoon, to visit Lower and section in John Day inril-r,' Examine Hettanoian/Sinemuriah boundary and Ääiä*""tää;"""""rit",i-6E.on. lra;sition. Visit localities in Gravlock Fm' (vielding lalest ilü;ä;;-;;iä sinerutian launas)' Nicelv Fm' (Late Pliensbachian faunas) launas\' to ;;; ä;ä;h* im. il-ate nalenian'earlv k-!!avarb' ,examine iriä".i"tJr,Äi" Syltem ooundary and superjacent Hettangian- lhro^ugh Lower ;ii;;;;;; r*ü succession' foe will visil sections at New York canvon and Pamlico. paid by May '15' 1989 Checks are Cosl: Excursion tee is $2OO' in U.S funds, to be . J'"r"lr"ä oi. o*io G. Tavlor. Food and motel expenses are additional and will be Portland and one 6ih" ov ot rn" participanls. Motel costs based on two nights ln niotri iri S""r"r"nto"""t (double occupancy @ $40/ day) and sir nighls during the eicursion (double occupancy @ $20,/day) are estimated at 5240'

LImit; 15

Itinerary: Excutsion ActivitY ab July 21 Arrival in Portland b Examine ammonite colleclions al Dept. of Geology, Porlland Stale Ljniv' 23-25 Examine Jurassic seclion in central Oregon' 26 Travel to Hawthorne, Nevada. ä-zS Examine Gabbs & Sunrise formations (lalest & Early Jurassic) (Garfield Hills)' at New York Canyon (Gabbs Valley Range) and Pamlic! 29 Travel to Sacramento, Calitornia (end of excursion) t Enclosure 3

ISJS JURASSIC BOUNDARY F'I^ELD MEETING, JULY..AUGUST, 1989.

II: EXAMINATION ^.PART OF UPPER JURASSIC AND LowER cRErACEousBUcHrA-BEARrrJcsrirArÄhirütöft ,1-röm.un COAST R,4,NGES

NuEb€r ol participarts: l0 qclusiv. ofEeldtrip leade6.

,":i park, y"hidc to be supplied byUscs (MeDto calif.; fide C. D. Blone). Food aDo"a-rj:L:^,T:Ii:" Borel expeEscs wiu bc torE. bv DarriciDär§_ Motel cosrs at C.rdng shoü.ld be abou! s45.m p€r day. Cd ofrood should be aSout SIOO pcr aay.

MINERANY.

l:tlf 30.llv hotniRe4g_. N?adalo Sooanab. Cotitonia. Meet wiü fieldrrip leadcrs at SacraEeDro Ajrpon üoming Trave_l to Cordng Cälifomia- EEminc upger Iiüorian to Valatrdria, Buchia_ D€arug su?ta'r {cirät Yall.y SuD.rgoüp) .t crir&too. Crtetq T€hams Coutrty, Califomia"

strar. atircc.rt Etd€r C't tq aDd Bcar Crowroot poin! I:,J^rl:r enama :::i,:I1*,"-bea:.iosLouEty, Calilomir" -Crtet, Uppcr Tithonia.D to Valaigiria.o pan of Great Valley Supergroup.

AugBst l. Rltur! to Sacra yollc, E nto. (Toü ol Nopa opo.oiar.). Coüactions caa bc oadc ftom SacraEerro Airport to Sä[ Fra.ocisao or l,06 A.Dgel6

Trir leader:

P:.cf. Er.ile A. Pessagno, u'r. lrogrdrs in Geosciences The Unjver€ity of Texas at Dal1as P. C. Box 830688 Richatdson, Texas ?5083-06Eg Enc losure 4

GROUP REFORT ON THE t,lEETING OF THE BAJOCIAN I'IORKING Itä1y,3-7 JulY' 19BS iby Grulio Pavia)

rhe fir=t oe€trnQ of the Balocra' l'ior I r'ic Gr --uc tcoi Fls'E rr.i, -/ sessiorE in i'ioBEr'c ar' P':Lr5-c'5 3 ro JLrl,/'' 1?38 ^ri.F (norii- the r'lirnte Nerf,.e icert'äl lta!Y) an"i Yoiti Le551rir in drffe'ent ItaIy) areas. 35 ^orkers from ten 'iJ 'trieE ""=*",.J, i ned in the meer:rnq: i'!a' EeISq!!C I. Sacuncv, M. Stcv'nova-Vergi Frd..E - S' Eim!, R $outeirle- .-iit-C':--it-- - j iä. c-' J G-Peo '' \' -'-'o"

- 1': . i.-q: lecca' E. Compaqio.j A. Contl 5 ' nolinari'' 're-G_ , L. L_:ä. 3aIiüzzo, E. r'lattioIi ! v' I ini, L. FinFu?:, G. Pav i a, m, Sa,itantonio. :i Haririr D. Sacli, !o_._"_q.- ? - 1..- Be.snrlr,'. G Meie'dez i 9e4.! - S. Ferna.der-Lope: ' A. Gor" ' E:r-!e!y - G. D1etl, !'1. Ohmert' A' Ze15E' Tne ßeeii.q has beeri crqarized bv S' and b) G' Favra ihe arga.isatron *as supporteO and EponsoriTed'resta bv the Internatlo- nai suÄcommissiEn o. Jurassic stratiEraphyr thE ltallan fiair.nal n".."..i Colrnctl, the Italian Geoloqical Survev and tLrE Eä t' Scie.cP DePärtnent of T-' in' Proceed inqE of the meetinq Ere in Prlrit bv tne I'-a113' The the cf Geo 1oq i cal SurweY. The volume @ilI be 5ent ta Pa_tecrPtsits af,d to BaJocian workers. PleaEE, contict Cr ' 5' the ßeeting Susa'nä !3' oolEl Crestä ( Servi z io 6eoloqito d' Ital ta, Iärqo S- Rooa ) for extra-coP !es. ThiE was the Proqrän: bas'l ( 6c'r nr ng ) - 6 -ohnur\icationg o. the tsäjociao SundÄy 3 for the forasl iea bou.d' ar Y Etrato type: chEr.e and ProposaIs Discussion on the propoEals of GSSP' S."a"", 3 (afternoon) - 9 comßsnicätions on the "Bäjo'ian zonal ..o 26na I sJdivtsion: fonaay, 4=..1s (morning) - 4 communications on the "StratiqraPhic correlations within and between different biogeographic _,.provinceE d-'inS the BtsJocidn Stage"' commu.ications on the "PlLrttidrscrPI Inarv ß\ethods of corre- lation in Bajocian stratiqraphv"' of the rr"=a"v,--s - rieia trip on th; Jurassic peiaqic sequences '----üÄs.i"-tl".che Apennines: baeinal facies alonq the Eosso in the l'1onte ;i;";; Pelasic carbonate Flatform sectionE Nerone Är ea. of thE t'roFtr ieEgrnl VEro.esi: facrE= !ar:atronE nr tFe FosEo AEmr.:tr.o fr-; L.wer tc l..rcatE J-J.rse:c fo.m€trons rCtsl.3.i Grr!i äi. aaliari nclrtlEi,"

The .ra:n our DcsE, of the {eetrnc was ti,e CEfr:rr.! o. the Ea.al o-r-e pa o la, r:e. { \-c:.e_.r-. ;..e, the chocsi r! o{ the tyse lccal itv for tre Eäro.:an "-. sectic.s GS5i. io!r a: possrble .a.cicates for thjc baurCa-y have treen prEEented: BeEumo.r anc Granse-Cot te nea: Drarp! F.a.ce (G. pa_ w!a)! -rea.re.arg Eav rn the lste of SlLve! Scctianc (N. Morto.); CaP I'Tof,de-oo ie6. irqlera da Foz, Fcrrrcä1 1i. Fncha et ai. ) ! Eärranco Ce Ag!,a Lä.gä, so!ther. Spa,r :. Sar,l..at). atj -e.e sections ä.e s!jitabte, because the.:, re.Drd ihe same trro.rironolc_ qic event! _l:gr tie fi.st aFpEara11ce of !!!glltqqetg:! sräphctre_ r!ticäE ahmoirte consid€.ed - - äs E i ,a . i f 1 . a ; i .. . i . r thE basa., Eajocian, r.loreoie, tts,ey rrghtly ancr^er tc i:re iain". p.r,rrs oi Co^re's cleck 1:st of the ICS, Afte. the p.e=e.t3tic. of the Eect:ois. prcfitable crrtical discuEEion tool place! ßarnty cn the Eectio. of Ceo TorCe!o dnd Bearreraig 83v. TrrE .esutts lia,E been äESptrb j e: ri ar i,:iorhtsl do.u6ent voted by tHe parre.rpants (3: fa!o!.able, a abs.:arnedr,

i ) It ^as outl tred tnat the correiatitr. evidence._ are noi uosei or ßodified by the formal isation of thp bas;t ocundar\ I i:'-- 'o =t._t";a_ no,nenclöture and fo. helpinq iF the cc.relatroi prectrce,=.-.,.q-._.,. respect in tlrs anv basaL bcJn.liry has tj: be trhc=ei or the i:aErs of g he11 .orrelable bichorizon.

a) The baeal !clndary of the DrscitEs :one! and tnpn of ihe Bäjocian Stage, is narked by tie S.a.hoce.;irdae brohorizon, hhicn co.tains the fi.st lypq.-lt"_c_c:q:, EnlEfly c{ the F.. 1n!isufr - mundun 9roup, -nd cfte. the Ias.; .Ep-eseFt ! vFq.r fr.--."..= poEsibiy --. E!ep[sSele: *ith Eeglop:€9r_o-.cic!. r.i" s i r, . . , , . r J ] ar Ly appeares correlatatrte rn dl I t]ie " " Other on drscuss:oF. biohorizonE, definec bv am.onites tir,e Erropgocqlas or Hammatocpi atinae, do noi: seen very usefur f!. o"f;;;;s totype' trp stra_ bEcausE cf their lar9e .a.Ee rrom !pper Aatenran or EecauEe of thpir qenerät s.arcity in re suomedit

3) Anonq the proto5ed sectionE, CaF MondeEo haE Eee. .on='rde.ed the most süitahte as candidäte for GSSP. io^",". it rs necessary to hait for the pubblicätion of the Cap r,tondeqo data EtratlgrBohic before taking rny decisron! msr.r, becau;e of the fossi l lackinq near the boundary AäteFiäF-Eajociai. 4) The Bearreräiq Eay section could be proposed siratotype (ASP), äs auxiliary ll 6, Pavia l^)ill prepare a schedute on the basis of the data tiqted in the ßanuscripts sent for the proceeding of the fteeting"

? of the ihat s.i,enJlE ßoLlc colle't tie ulijtratE 'Frnr" "iieeqJ '"- .-- .. .", ._l : '- l^-1. . ? "":,r.:' '-: l':.:,-i'll"q. :" a ceflrr:e Propcsal to t:,e s.rreclLrle and'o' Eotr!nq ir gä j.. I an 3S-jF' prcD'=31 t' tc ä' Lrltlnate Al tr-.i;ts al'lE 'Bine *e ;; i""'ct t'.]"," EasaI bcrn'sr v st'atotvpe' fcr a quIil' eoL!tron or' the ""..,r'i:.':':"..;:!appPa'e t' tevF ir'-e' dorl.. future'"';i'i""t" priDlen i. tl-e 'ert IIRS,- L-,{LI Ltn IAti lVCFr lNi} SR0Up liXETtlG (l- S J S ) G,i.'.l51dez Za{-go:a, Se! | ,, '). r 2O-)3 19SB ilove.tlr--r 1938. Ta! ilrsa- CtiiJrdtan Worklng GroJ! _,leeti:rg lvaa held it_ Z::aagc za, S!r.in,frD ;elieinjrer 2Otf, tc 2lrd 1988, at the Gerlng.- Depärt !eit, It ri..r.rl organi.zed iry tae cLr:r e.t c,tardir]aio? of tie iroup, C.l,'1e16:i.iez. Srre 2l Ir.ol:1e atte::.ieC the rjeetlng and a wrole cf 1Lr ricrt Ir,l-Äl's 'rrere 3L1i_n1ltted oraf lly dr1-ai1g bl:e woz.ililg ses,'-tc:ts; 0ne ircs.-er !i3.s a13a Ii?er::i:,td. TIe lüeetLrrg r.ar.cf.trled a fiasi oa:; of :rcia r.,'lf lc ses-.i.cns arld three days of e)acr_rrsions by the ilcrah eastern lC.tt:'t;n Chai 1, :a ?lsiil s3roi cla.ss,-aai Up.er .T..tre.-tic 'rut.rops (n11n11,. Oxfordian) ol knowe locat_:iies, inclrtding Ricla, ASui-16n, l,ioaera, Ariäo ani C:11r.ale. Airnnonites s_..esi:;ri-., as .xell a: 'Dio ?.!!d clr.r:-icsträti_naalltic prc llelril ,ie1.e r:vised, frotil oalfo r'ian ijo !oTre,r Tiilloz]ia.ü, dr_r.tt: tit.ee d a;,-s oi erctrsi,1]1s ,:.1_21 Se!-!erlrer), Sciir:1f,a ses,tl_cns of ü]1e iil:at dari,r/e-re 'ba!ics: ds\roted t.r three rnrr"lir 1) Ct!:or:i i i.t:r rag,o4al co"?e1atlc3i, lvi--l ,ihe c olll]nu]ti c.rir-irs fron: Checa a:ld S."ir.ta. ro., ,'rn io,,ay, i,:.'fo rdr:- an fr:!1 :rl: 'ieiics, S!:,-11,,i Atraeli, l;Ie15rdez ar:i Sal.l;, ',Oxlordian deposliiee 1i1l ;eq,iirnce 1n E.Iirer,r ]n :td aztaloittr_i1 ralges, Spatii,'; LilrdoLey a1d lurrazola-Bermudez: ,,Ox:.ud1,-1 Siage oi itCii Cuba"; L'lyczl,nski arld üe15itdez: iiis cr-l:r.e,it si"j,e of ,aa.cü1eBge of Oxford:;,n alr:ool ie3 srrc.;es-.,(:,ns fnon aLrl-1 :r.Ld adjacel]i ..,aaaa,,; AaöTiz et al.l "Proble':rs of ltt',.o-c,tr'::el:.i i01 :11 lr:.:e l, 6x t co-cauri_bbean area aald the ::gn:Lir:a11ce of i-ir.!er axf! .dirt1 l:Ecits_lhincljes,'. 2) :iostna_ I€iärh1g vF-ue of og o_1,e-: i.__4gi rg1.-@l-TiäTrd r rg co- i cat:-!ns ft:ant lialino,-,-ka, ',!o j.t,:1 i-]]f LieilcEs i:]i t're g11er Oxf ri_ diin of ?olerldrti i{r.')-, i,L, ,,0n :i rnt ::]räphi c -/aiie oi prososphinctes tird P-li;oserat ..ae',i Tarkolvski: ,,lo\1er axfc"a4i r.- larinel_iceiät iAas if tire Cräco,x JLrras-:ic Chain; Tllelr stretrB-.aphic va1ue,,. 3) Cxfor{ian biozon€,tion proitl_erns_, irclLldrr.tg corinoiicatrons fr.om Callomon: ilte definttton of th. 'rasa1 1lo-ritdi1ry jrle "Cn sitt,aioty!e ol .i.Lrassic 0r_oaCiiL ;tage"; Cariou and L,le16t.Ir ez: ,'A nodified !erit-ohiacii zanai :chetre ioI iorre1"-1,!idCIe Cxfo".iiati,,. ,r,.crk The in.j ses:::r: of tl:e O_riord.j en G?o.]11 xras held af!er ihe tl1j"d scien-tlitc se§sion, riuc]1 4c?e as a f r,,.:-.-rdly a.1d o!en I{eetlng. Th: rair propose.l tci!j-cs for a1i3cus3ion, a]rd tlre mait:t ccnclusstons tie!e: 1) Posiiion oi Orfoadia!: 6tratl ic bo:;-i,ldaries itr C if f ere,-ii bioqeoErar]hic nroEinces. a) Ti13 ir,,..:a1 boL.ri:dar-: cI ti-re Orfor.ai1a1. in n'r-e straiot:rue" and a: aec!3ütse.1 ihraitgLoi_1t ,_'jle bo?eal rea1n, at the.:ta:e of hariae Zoire, Lase of 3c a-rbliage-:ls e Sn:.-izc:te. lhe t l.estion of ,,rl.Leiher pau-- cöccstatriirl -lortzon a"ct._ra.'LIy beiongs to Llariae Zcne or r;o Ullper_ noSt Callovien, lattberti Zone, !i;!j.s discu3s;(1 i11 the !::tirer ;nbrLil. led bt J.ii.Call.ornon (lleeting voiume). 2 . Siandarci z!-'na1 trci'l er s) cf the 0rIol,diä-c' Siania"d ,crra-ti!! fcr the Teth;-ia:1 Beal1]l. Aacc:.äi1xg to ille irr!ll1.rrs .:ltiros.d ,llove' it setns st:Lil ilre :r'-i r)-r: to ti;. ic erec-i a 5'tF-,r.1ilrd zoi:.rl'! schene ior iie Te_t1y3-il F.aalli, It i3 jeaerr-Lil' j-c:.:,.ied r1-le "ciassi'af" zcl,latio_l !r'o-no .,;:r rry C,-riou et al.(1o.".iir), b'rt n,lcl lrogress is stifl '"o oe ach:ieiecL :iio,e ge_itr4g llc 9 irs.--irle ' refer:4ce bi'czon:r:ion fo7 a-: : a,l i1 er:a:tri1 ral1 a.i'e a:,. l. A i er1ärii-/: ir:t: \,-,:-tc i..l ,.'tLd. / ar irteri,al.i al -!-'ünonoidea zcla-f schernes. li|rcl nc:.'.: is sr1]i ia, !?cJlress o1 ,{l: at co:'lceln3 tIe ].]1ter!?'! vi.]ief biost.i.tigra.:h:i 31d cc1rel,r,io1s, :Il:clally i-'' tl'e ?aci r:Ii s i 2ir this !lr,a ?.a1m, .,.r i aail lle se:.-1 ihe papers ''_'rll' iied l.i::l. jng bt .,lh'idoley 3r Frilr':"azo]ra; WczrnsLi & l,Ief 6ndez, a.ncl C1d- r'. ai t-.1. th: u.:e of C1fle"-'1: arcups cf !-lr:onoiCea for ür.-n b1.slrr"-tllrajlhy is aLso 1n ce?tain l1.oJres::, :,s lt "'i:llIIE"S shoir1l ln acire lrapels suoh .!s R. llrko'i'3ki's cr1 T:'lrane'licer'---t lnae ' A r:c rärile]ldaij.oli lias intarl, lioivevel:, a,.r far as ereciica of ne'II -r:l az3nat-_ra1s alld z lii:1l i:,;,mes is col1ceLrlec., for everlr am1'ni ie 5?o1]r. Oi)..icns s',-ir1or:tiI the gene"al vler tlat it wollLd be elou€lh i: elo,.I tf,e li.rsiraiigva!}1ic value of ilifi31l)r!t ammonille grcJ'ls, i..rd:r to kei! ille stabliiil' :i4Ö bonoge:)er-!ir' of st3'1111sl'ec ;arra.l 3clrari:a1., 4. Oxfordian biozonatioas ' scar.ce L'.t t1e c oul-d be discL,-ss3d- on thair:ten, d''!e to t'[e ge,':lra1 3 e llaa s ailta.i i on oi non-,q.]Il].,o:i,. tes s_!-.ciali_.i+6. A tlleenelrt a::i!is cn nhat co rcr:rrs i]le gre:-lt \ra1ue oi dinoileale1late§ a]l'1 j-da-ic:''e1 ll.i'i.'-4e. i: al:,-i1o r o rl,he a: r-!r s ior ir:e i:erai i. Madn sub i-elts of future research. location of next lfeet] _'iL !c pr,,gress :11 jl',e ?re; r',1 ts oi t:le ltenls tx-'ros abol'e 7"as ,.- .,,,,,n",1 u= ih. :r,i.-ir1 31,1-.]ect of fuiur! ,1orli. lt is sle'i11. I iile c:i.e of strn.lard zoarl scleile: ;nd 'lae s.rlrch fo1' e go o'd l '_":1oa at srlraioiype secrioi'!. lcc:':iin3 -o tl_.e1, li 1"as readiiJ 'rcce!- t:d ihe -.,::c:osai :l- B.G:t/g:., io .e1.'r..'-ie lile i1e1i o](iorlian ]i:e- -,..,.:-. B-s-ri -1 ..tr r',j__-=!. .:-. .-e'o. " i-.lr- ":- ]lIJie cl assical Cxio rdi:r:, :ect:ons of S'":is' Ju?:r'' Iile 1"1-Lol i1i.S cre; l-992' as ]::.o!osed 'cJ' f 'A'it:aty ja, i"i11 l-'e r eid in 'ila?lelt ' ?oi;,11d, ,';:l,h ni s'rt: io .:11. iLfor'lia-1 of !olash JL-r'' 3rd Pie:j']1i ' Eäcu1'siolis Eieid Siii.ie a.rd ?ubli car t io11 Tl:e three dalrs e(ci-rrtr:;rn l-rJi the Ü!!e' '-'irllstli' oLltcrops was 1:aded by the organizers. A u--_rli:r'i lrte'rllion '[as lut o']:_nnLorL ,'_. .-j,,re::._rs-.cns and brostr;tigra.pllllc, as :'iell '''e :alhoromic' ?l1alx (ili,r,a -]]1'l on seC'iner'io1o ses of Ca:r Iovian tc g;' a'rt iaa:'ier|4!3 t 'lDd g:ic Caiails atld .i.leogeagr:.-.l,ic reca:str!'c-ion of lberi rl-' ir'"_'5ic !,1:t:farn, L ii,:Id g-,iid e iras elaborF-ieC a:1d Celi'7el:eC lo i'.r3 ,'a"ti zi.l::rts. Th: s, jotjetlea ,"iti:. iha comp--rete iert of iile cL')11t?rbrj|ilons ,,ri1l- be irubLisbed iil ahe !rccerdings ','ol lrl_ne r ii'r one :rear tilne' G.111l r: r' c lrl€164dez Le fa? a: irle Iethlrail Realn is co11cerned, not a soiincl sion could, conclu acir_raf ty, be .eacled, C,r,e :o iile 11igle ;;i;;" -. iao-0]:iordian hr !,tus ?ecorCed irr.,r rgiloui S"r,tf..äao"op.. _-' .s.. fii.u '' ar: . L^ .O ,r o .. - . oni l.,--erl slhi:rc.r r-d s alpca., urtf o r,.i.it".! .n e1!-, hi ghll. inc ompl ei e to ,:l it';aliili a.cs:nt Sthbor:aI io B.real ,.giora", so mrllang l.r:l!os,qtbl: anJ atet!1!i of ca??e1aricn, rrse 2. llhe ,)f Ctaer:ic-.rz: rgrJ_tari a_ 1 5.11de speciee for ihe 1on.rr_ost (J:-:r. _.a1r:Ln Z-,1e in Te,ühr,an Reafri, ccrrelatrle ,I/1th üariae Zone. ltas be3r suggested. !-h:1.al .iroub1e, n,oiilai horr/_e7er, lre cnce more t1e cc1,ldeni:ea,i a\1!r,ct et and the undercleve lolmet'lt of 1a,,,:er orforiia_n ma:arrnfs ij1 :ouihet-4 lr"op"-"""i". .J. A real 1st'rc, -io.r3l, somer-rr, i clir]leT-r: !cs6it,iliiX i,rias aiso !l'qlrosed, tc !lace tLe t.5"1 | r.[tda-.- of irior.]iar: ijtage at ile b:::e cf Trailr-:/91..3ari-rm Zoae, as a-t easily co1_!.ela.ale 1e./e1" li_i q1:r:iion oi ilte c_:iter,roir]ldal,ies racaived iess stteniion (j.e. the iower-Itiddfe a:lx i,Ldd,l.!-ü!!er l:{fcr-dia.:-! boundaries) si. ce tlaj. c1o r:ot a.oleea :o lt3lre eir:f:rec 41ch ncd,if:catron st,.c. = ile last O]VG i,ieeji:rE al, t::ton (196i). T..: t_-ase cf iJiodte Oxfo" oiaJ1 $/o,;__,0. be tlace.n :.i -ae -\"6e of pltcai:1is Zon+, r"_tl,in tlJ Tethj.s,n Realm, ir1at is: 9 'r'elleLral.e ': rlt-o b:.,se cf r.is lor,r=r a.". _.a: Subzcns (i91 :r-obc1:al atld a:]1trraf R:rolear"rbro..,", are:s,) u r-. .. .,-_ I a.- -?9-; , -_98:i-a r.:-.:: ,,,.",.." :."", :,;:1"; . .,s-ri ...e1!r.oe- .- _, f o:. I r .-So"op.ro-".J-- er?a!1ntn ^- E.rea6, I'iLLr?+ Ca?dioc:ratids ar3 illrecot.ied Er*:d piri;: !hj1cbi.1s fcl : the nl:_in :to?l Iar Dj.aza..!a"t- atls. This sofutlon rnigat be conside!.ed val1d .i, f lle alpio;i11aie eqL:iva1e1ce subzones of bo.Jh is,evidenced, as :j -.:1lts io le t.,e c=.se (3ourseaü 19?,i). lilei], Plic.,tifi-s Zone ao.!ili 5e as: {!led :,s the. aominal siaadard Zone ior Ioire" t{idd1e C.\-f.-:,,liaa in j?re lethJ-aü n"niU, add ,fi"i_, *or.fa a gain in :tab:iltlr ald ronogeneinlr lor ihe ctaslrcall stand al:d C:if orC,-in za -f,rr.i scl3r,.e (cf r. ref e.re,rces a.t,o_re ) , The -iresticn of the .ioi.ce of bo Lr-ndarlr siraiotJ..!es is, stilI a, 1o4g, unf esolved pro..1en, p_aj specially ::är as ':ie f etlt..,.ar ne ahr is ec.c,:111ed, d,le to 3ener.allzed ir-tcotlleie:iees ,,"-u- li lä" siiional rl;ire. Callovir:t-lower 0r:t-.rjli,an ecriee, oi S"r" p;o;;.;i;- !.cssil:1e candidates leere m!,de by (1) R.GygJrl, in some 10cali ties of Swi:s JLrr"-, 6jr-ch t,= ierznzch, r"rLr=re- ccnäen.ed =u"i"=-"rrfa, hoqe-,.ar, slto!r iairlJr coriplete ernr-oni '-e alrccessiotl§.. (2) ?,Atro!a in SE. Iraxce, ü,here ira.itsitlcnal se4ies appear developped tn ili'-.li]1iil, .aeat ar3^i1L:.ceous aecles, al.1oi{i1g n_ rar;, gcad, b:)_ bed e.l-iectio:T cf ?-111_r on i lt 9 rss.ciations iror, petrts!ht.nct1J3 Upper. CaL_cv1a.n up to U!!-.r 6{fcr-rli.:-r:. he..e are, i.ä."u.r"", mark:d-1:i scar' ce. ,,r/ere, .- Th:se t,uc rnain lreas rhere lo?e, rag:.rdeä ," ,1r..il_,f" ii-:.1:e c a:-:.1 iilatcs, REFERENCES

p Ioxf^r".1ien des noires" "'-- -4"-g"a.,roisinI r 1q?? I "T 5,oven ä nod,-rles "Terres (Drome ) . Ammonir:ina de 1a Zone ä Plicatilis ' P'!_ l6onr:ologie et biost.atigraphie; m11ieu de s6dime'tation e+j qe- ; 1 5' ne se de s nodut e a.bonai 6 =l' . I'Joqy,4l!!-.,lggg.Ef!!.-!13!-.-Lvon 116 PP. 31 figs.12" " ? t . irhe Czesiochowa aaea. 1: BRCCHV,/ICZ-LEWII.iSKr W. (1S75) "Or(lordian of D;'- Bicsatratigraphy". Eu11.Acad'Po1'Sc' ,IXI\. -. PP l--216. \' tsROCtiWlCZ-LErtlNSKl W.(r981) "EarIy Oxfordlan Perisphinctids of the Czest-ochor+a area; Theia s.ratigraphic valre" Bull 'Acad'Po1'Sc: rXVIlI, 4, (1980), pp. 233-242. P7'7-4' cARlou i. EI'iAY R. TINTAI'IT H'(1-o71) "oxfoidien (Province subm6diler- ran6enne)',. In: MOUTERDE ?. et aI. i 'rLes zones dY Jur?PSigueerl 1.""""". C.R.Somm. 56anc.Soc.G6o1'France, 1971, 6'pp'18-21'

MELENDEZ G. SEQUEIROS L. BROCH'1'ICZ-LEl4INSKI W.(1985) "TC'tAiiVC big ;traiigraphic sr.tbdlvlsion ior the Orfcrdian ol the Submediter- ranean-Plcvince on the base of P-'rispbinctidsrr' Proc'Int'Symp' Jur.Str., Erfangen, 1984, (II), pp'481-502' Enc losure 5

RIPoRtr TI1}r STnATIGR{PHIC RESS.A.SCiI 0N E}{n JÜRASS]C PEIAGIC SEDI}ENIS OT' TTAIY.

by Fabrizio CECCA

1) IfTRoruc[roN This report doals with the ressarches carried oBt o-n th.e stra- tigraphy of the ltalian Jl,'rassi.c pelagic sequ.ences during the 1ast fo[r years. It comp1emer1ts a first report previo[s1y realized by PAVIA (1981) a-nd the relorts o.n the jurassic aemonite biosiratigra- phy presented by IAVIA & SAEqf (1987 cl,lE bibl.) dlr?i.ng a r.eunioE of the Italian Pa].e ontol ogj.cal Society. As regards the shaLloyr-lvater I].atfor]! and related nargin_areas sedinerts I rBfer the reader to the reeent syrxtheses by DE CASTRo (198? cu-E bib1.) aj1d CHIOCCHInI (1987 c u.m bibL.). ghe . Ita.lian Workin€ croap o]1 Jurassic, coord.i[ateq by G.?AVIA (University of Turia), is cLlrrellt]'y orgaDizing two a.n_nlra1 meeti&gs which i.nc}llde field exclrsiols ard. discEssions a.bollt the res6arg59, in progress. Most of the papers Eentio.tled iJ1 the p!'esent report are l]1 prsgg at the ,romE&t in the proceedia€s of the 2nd Iniernational Syraposiuu on Ju.?assic Stratigraphy (I)isboll, 1987), the 2nd f!.tertrationaL M€etil]g 'rlossili, EvolEziotre, Ambieote " (pergo1a, 19gT) aaa tUe Meeting ort Bajocian Stratigraphy (piobbi.co_Honti le€sini Vero[esi, 1988);

2) NORTIERT ITATI a) Mariti,le 4f!9 - IUALDI (1985) has stEdied the lower tri45 i5 the Arnasco-Cas te]'bial1c o tectorlic ql1it (Li8u.riaa prepiernont). By neans of HettangiaD and Sinelotlriah. arrmoflite s he was äb1e to recog_ .[ize some hiatuses iIr the ].iassic seqtle.Ece. fhe sedineotol-ogic f;a_ t[res and th6 paleogeographic inplicatiors of the radiolarites cropping oEt i& the aboTe Eentioned Ar.Easco unit have been exa,mined by nEtrLAerov.rNNA & ,r GIUtro (1985)3 .1987 b) Iolb?rataa Basirx - BAUIUGARIIIE! (1gg4; curn bib1.) d.isclrs_ ses new data on ra.dj.o1aria]1 biostratigraphy pretatioas and interesting inter_ of the genesis of the Te tb.yan Ra,diolarites as wel].; His stEdies were also cary.ied oat in the Tr€nto p.latea(r alld üabria_ Ilarches Apeanj.nes. CAtrtAILTp?I & CÄSSfIIIS (19g4) have stlrdied the ajMonj-te fau.[as and th€ sedieeatology of the d.oeerian_t oarciar beds €xposed jn the CavE de1 Caricatore q[arry 7 tr-n far froa the typ6 loca].ity of th€ Doü€riall Substage (Co1na di Dooaro)..Ih€ stu_ died.sectloa is proposed by these Authors as a po6sib1e refere[c€ section for the D9r""t"o-toarc ia! bourd.ary. Ihe sedinentary pheEo_ -2-

e"ol[tion of th€ lonbardiaB Baslr mel1a a.nal th€ pa]-e oge ogra,phic (1985) drrins the lias hav6 ueen siudied by VERCESI & BISSoIATI *oa uv ;-llour' & DoNrsErrr. (1eB?) in if ;äi ffi";;eJsrescj-a) (1986) Ia'\re found the Morterorle ssqt16l1ce ]lear lecct' T]NTORI et aI' the Do]n€rial1 rrcal-cari a u- ra"*-ö"o"t"""*o REgoca4lg indu]Ierlsis ir pare s lsniri- ;";;i";;;;;:-äi-it r;; üih,"" th€ oecorosical ERBA"I;;-äifi* & (198?) defi&e correla.tiorxs i" discovery. QUADRTO the Tithonian "r.""i"t*""o o.:-piorre]-1ids aIld calcareoqs nannofossils iI1 beds of the Mt. Pernice section (Brescia); Trento ?latear aÄd aqiagent ESlg - fh! sediEentol"ogy aEd' c) expo§ed in the trre ri,cn--ääoiIiz-f a"nas oi- ru ,lurass:.c sequ.ences Eretto Ilateau. have beel1 recellt]y described in several "ä_""ii"a ei ar. ( rgSa) have illustratea the sedinertol-osical- ;;;;;".-cfi, of the tror- i"äto"u" of, the "Rosso Am,lonitico Inferio?e'r fornati'on therrx lessil1i Moll'tltains as i!,e11" a§ the important trate Baiociarr itiaäte aatfrorr:an and ca.llovian a'[l]!ord te faÜ1as ' DALIÄ' BnÜl{A & *IAR- linil trgsil hale strd.ied ni&e iurassic seetiors, ranging froß P1i- in age, exposed near E€11-ü1o' Ihe a'oeo- uo"la"fai"n to Kirnmeridgia4 6t provid.e fille bi os tratigraphic corretations' JENKYNS "it"*f"""""a]. (1985) stud.y the orga4i-c-rich sha].e6 occlrrrlllg in the fglle for- ,"ii""-iiä[r.o rroagh). This ]evel- is dated to the earLy raLci- Ihese Authors correlate thi§ with ferum Zo4e by lreans of ammoEite§. (i.ll ine wiaespreäa Early Toarcj.an anoxic ererxt; BENxttI et aL' pross) pr-esa]1t a pr€1ini4ary note or late JuraEsic aEmo[ites fro![ the wesiern lessiIli Mounta!äs ' In the saroo area PAVIA et a]'' (198?) have pubfishea the resul-ts of a detaiLed pal-eontologic and biostra- t.i-graptric research.! Uiddle-iate Oxf ord.iaü aEd Early Kinomeridgiar .räoo-it" fauras were col-lected throagh bed-by-bed. sa6pling i4 3 saRrr (1985; 1986 qum bibI"; in pre§s b) studied the r'a- """tio"".te Jurassic faura,s of the lrento P].ateatr. This AEthor llas recent].y froposea for the tra,te Jurassj-c of this regioa a z ollaL scb'eue bascd oa änmoaites (SARTI, in press a). The cal-pioflel]id faulas fro! thls area have also been iuu.strated by oIARI & PAVrA (198?)' CHANXEII et al. (198?) ard CHANI§EItr & GRANDESSO (1987) deftoe cofre].ations a.mong polarlty chrotls, nan-aofossj-1s and ca1pion611ids ' CI/tiI et al-' (in iräss) discrss the sedineatology and the stratigraphy of the beds occlrryi.tr8 in the fre]xto ]].atealr. HORRXIT 6t a]-' (iE press)"iti""oo" i1J-astrate the stratigraphy a!.d tho sedinentary 6"o1ution of the Jurassic basin l-ocated IIW of Cortira drAEpezzo; their corre- Iatiors are ba§6d. o11 soEe nevdy discolrered amEolLte fau-nas ' d) Eastern !i€g4g (l{orthern Apennirr,ee) - goNTI & I{ARcUccl (iu pre"s )-Eä;;l""entfy exanined some HiddLe cal-Loviar-Ear1y oxfor- äian radio1ariar assenbLages in tYvo sections. These ra&io]-arites reprosg[t ibe sedineatery cover of the ophiolite u-nit il1 tr[onte Ro-ssole arxd va]. GravegLia. IIARCUoCI et a1. (in press) harre discus- -3- sed the age of the aponninj-c afld. aLpine ophiolites a.Ed the corre- latioa wiih the at].antic ocean opelli]3'g by lceaÄs of radiolariaE.s. VEIIIURI (1988) revised the late He tta[gia.E fau-nas col"lected by CÄPET,IINI alld CAI{äV,{RI in the la Spezia area.

3) CENTRII ftÄrY a) Unbria-l{arche s-Sabine Apemj.Ees - lhe pale oltol-ogy ald the paleogeography of th€ Jurassic of this region have recenily beel st[d.ied. i& nuneroq§ paper§. 1- AEmolite pa.leoiltology alld. biostratigraphy - The 1iassic faExas are tha best kno'/yn il1 the {.penoines. Receot pa,pers by P.A,IF IINI (1986) and cEccA 6t al. ('1987 b) proviae new data o& lotha- rilgiaÄ aEEo-aite€ whilst the papers by UoUIEEIE & IERxxtTI (1986), CITCCA et a1. (1987 a) and noMUERGürs et al-. (iu press) c onta,in pa].e ont o].ogica], a]xd bi os tratigraphic inforEaiion on the earixian on6E. DONOVAN (i.n press) has diselrssed. the different aspects (pa- Leo1ltologJr, pa:-e obj,oge o8rap\y, pa].eoecology, bi os tratigraphy ) of the Si.!1e&u-rial1 aÄd I]'j-er1sbachiar1 fau!.ae of ih€ Ce.ntral Ape!,r.iÄes. Bi os tratigralhic data on Sitlenuria!1 to Toarcian amnoritea are expo- sed by CECCA et aI. (i4 press) ia a Eonograph orr the Jurassic se- diloerts cropping olrt in the Uo!.te Nerotle area. I{llIN & UEäT.A' (1988) have stlrdied the a!$o.Eite fauxas of the Upper DomeriaE-Iowor Toarcia!. arrd Upper toarcia.D-Uid.dLe AaleEian as well as the sedi- ßentology of the Gorgo a Cerbara sectio.n (Monte Neroae area). [he MiddIe J[rassic aronorites (Aa1e]dalf,-Ear1y lajoci.an) 31'e poorly known. Due to the effortB of S.CRE§BA (Ge ologj-ca1 Sqrvey of lta1y) these fa,unas ha"€ beerx thoroaghLy studied and the first resuLts have beerx preseÄted in the abo've Be]1tiol1ed (see Introd[ctio!) In- ternatj.o.txaL §ynpo8ia (CRESIA itl press a, bt CECCA et a-1. in pr€Bs)" other inforeatiol1s oÄ fauias of this age ca! be fou-nd in the pa- p€rs by CECCA et a1. (1986) and pAItIIt-t (j987). .4.neo.Eite faulr.as f:.on the BLagdeni Zone (Upper Bajocian) to Strombecki Zone (lower KinoeridgiaJr) are concpletely 1ackilg i! th€ Uubria-Marche s-SabiÄe Apen-ni[es du.e to a 20 Eil1i"on year-Lo!.g hiatuE recogr -zed on the str[ct[raI high s6quer1ces, where we |rs|raI- Ly find the nosi a,EEroritif€ roEs faeies (CECC.A. & SAIIIANTONIO, 1986t CRI§1A et aL. in press). fi1 the basjx seq[e]!ces, which are slppo- sed. to be continoous accordi.Eg to th€ rad.iolariaa stratigraphy ( BAUMGARTIr§R 198?) &o aroEonj-te s b€.ve so far beeÄ fourod above trower lejociar. I€veLs (CECCA et aI. i]x press).- The rich a]ld often weLl preserved late Jarassic aD.aonj. te fau._ nag, fou-o.d in pel"agic co4ale]Iseal ]-is€stoÄes occurri.lg oI1 st?uct[ral high s€quences, b.ave been active].y studied duri&g the last years (cxCCA 1985; j".n press a, b, ci cECcA et af. 1gS5; t!86, ia press; CXCCA & SANIA§TOI{I 0 1p85; SANTANTONIo 1!86 a, b, c). this has Led. to the d.efi]]itior1 of a zolla]. sclrerle fol' the trower Eithoaia[ (CEC* - 4-

ONI o ir cA & SANTAI{T Pres§) Ro!ß),is currelrt1y 2 Be].ep!.ites - N.$A!I;TTI (Ül1iversity of - fossi.l group' soue v€ry ilteresting data ortart faullas "toiyioä-iirG-rnp ographv and paieontoJ-ory 9l-11" i:llonian i"-ii"-i"r" 'p"p"r" (ooMBEMORXI &^ MARIo[[f, 1985 can be fould"liog-e j.& three ,".ooi Nevr data oa the ul-trastructore of the belenri- & PIGNATTI (irr press)" "]'^ot-t"-*"""-a).ie euards are a.t.so ü:-u"t"ätJä iv u'tarorlr "- very irlteresting faolas col-j-ect-ed itr sone nep- :-:-;;";;"p;d.s - by. M'A' CoNTI tu.nian aykes of g€.i ocian age have beeE stodied +- P^ne) tue resul-ts of this research led to ilEpor- \uurvvrvrv!, ^r-_ --- ,' - : tal1tcorxc].u'sio["oop","ooiogeograpbJ'a&d.pa].eoeco].oey(coNT]& bibi-) as wäl-l'-as good correlatj'oa§ with sini:.ar ffiil*;:-'träi-; press). i:"ä"'o"äi"--l-- i, rio1ie""y (colmr & szABo in c"iao.la"" - th" stEdy otl the taxonoqy' paleoecology arld foooti"o.i ßorphology of th; tethyao Jllrassic Crinoiaea has be€Ä Udversity of Boue sinee. 1979' CoIlcelning Ita- carried oat i! the forBs of cri- ]v soioe recent -tiäosu'papers protidä ilxforEation abolrt uew ;'"til-i*Niril 1985, 1987 b, ir: pre,ss; DrloGU & NrcosrA' 't986) and Saccocomids ( uaxNI & NIcosIA 1986; 19ö/ a,,' ''-f '--lui".or"*"s & scälAvINo[ro (1985) ?rave presen- - GrovAo§orr re- tea a uioroetrie sttldy of so&e Prot og].obj-gerinid fall]]Es' Their to be [sefu-]- in bios tratigraphy. The radiolarian fau:ras - or1 biostra- 4"""-u""*"oit" "uu, strd.ied by BAUuGARU'I-ER (1984;198?)' Nevr data Eerapbv of forans-i;;- and ca].eareous n€'nnoplarrktoll are pro?id'ea by öütii-ä t-är. p";"" ). BATDANZA et a:.' (in press) derire cor- relatioEs botwee!. calcareoEs nanEoplanLton ar]'d aEllotlite fauras of ihu A"]."lxi.r.-B" j ocia]]. bou-ndary iil lilonte Nerone area' New data on ;;tpi;;euid fa;nas sanpled in §oloe stroctqral hiSh sequences of. lre!.tiolred area are discr,.sEed by CICCA et a1' (irl press)' the a.bore (1985) 5 - §ed.iBeatol-ogy and Paleogeograpqv - Brcx & STEWAiT have strdied the s;dieentary a1ld pa].e oaorphol-ogicaL featrres of th€ tra[sitioB betlYe€4 al1 i4trabasilaI stractural hi8h zoEe and an basi4 irx the SibilliÄi Iooulata'itls ' I[lMERz (1985) described' "a;"""otthä sedinentary evolutioD of the Moote Nerore area during JErassic aaa f"rfy gretäceous. GAIDENZ I (t985) slows the occrrre!'ce of me- gabreccläs in the so-cal]ed 'rd.orsa].e Darchigj.anar and discus§e§ fteir inportaace i1l the paleotectoaic recorstructions of ihe area aariag tire Jurassic. FAR]NACCI (198?) has presented a s uxEarir of ile piuviou" stEdies on the umbria-narches Jurassic' CHESIA et a1" ( ia-lrees a) made a revisio! of the Lithos tratigrapby of the it1- rassic sediu,er1ts outcroppilrg ilx this part of ApeD-nir'6s ' The resd"ts of a pale oenTiro.llmer1ia1 analysis by C-oLACICoHI et aI; (in press) Ied. ti new evalEatioia of the d.epth of the depositioEal e4viron- eents dllriog th6 Jlrassic. fhis prob].eo has been s trongly debated 1967 by the geologj.sts of the ܧiversity of Rone (sGB FARI- since pe- NACCI, 198?). the bethyeetric probleEs related to the irrassic 1aeic sedineÄts of the Central- Aper]lrirres haae a19o been discussed by FAEINÄCCI (in press). This Asthor refEses the nodel-§ based' oa c.c.l. to exp].airl the occurrel1ce of the radio].arites' AlvAExz -5-

(in press a,, b) stlld.ie§ the effects of tha iErassic riftiag i.tr the Moati Nsroae area. Il1 the sarxe area CECCA et aI. (il1 press) caried oot a st[d.y based. on d6tai]-€d aror4onite biostratigrapby ard bgd-by- bed, sed.inentologica.L obserYations. The paleogeographie !trodeL !ro- losed by the§e AEthors is tine-controLl-ed to the amEorite zo[e 1e- ;e1. §ANrA$TONIO (198?) has pre§entod a syEth€ tic stldy of th€ so- ca]l-ed. pelagic carbonate platforrtrs ( usua.I].y xoeÄtio]1ed a'E structE- ra]. highs or seaEourts in the literature) based o.o da.ta collected in the Urabria-I{arche s Aler]niIles ard. i& Calabria. b) YJ€stern llarsica - In this pa,rt of the Apennires a tralsitio- nat faciesEtwe erx tbe bahania[-tyle la,tiu&-Abrazzi carbo.rate p]-at- forB aÄd a peJ-agic basiÄ (siEilar to the UEbria-Harehes basins) call be obseffGd. Neritic faci€s in the lias a.Ea §1ope facies in the Dogger-lfalE are sxposed. Recant papers by gMtXlIf et aL. (in press) a.ad 6A!lf et a.L. (in prese) prori-de resl],lts of the se- diaeniologic and bi os tratigraphic §ttrdies carried ou.t o]1 golae iu- rassic geq[ences.

4) SoUI!trIN rrÄlY - a) calebria (Sorth the Sa.Egineto Lille) - Ihe revisioI., ajtd. very oftetr the d.iscov6ry, of the j[ras§ic seq[e!.ces of this very conp],ex seqtor of the Italian po&insda was earrieü ou.t by the ].ate C'T. TX.tl!, ivho reaLized. detailed ge oLogical- Eeps of the area a§ !YeII as iEporta]at sedi@e4tologic stadies ( TE.aflE & YoUNG 1987i SANIANTO- NIo & TEAIE 1987 cI]!r bibl.). His observa,tions were collpIeuented lyith bi osiratigraphic data based o.tr aEEollites by U. SA§TANT olilo (ceologica]. §larvey of Italy) especially in the liassic ].ere].s (s6€ aIBo YoIINe et al-., 1985). M.sANl.[§[0N10 and G.ZUFIA (Oni.r6rsity of xol.ogJxa ) are crrrertLy editing the geologicaL tlial at tlr,e 1/25ooA scaLe of the trongobucc o-BocchigLiero area: this had b€en extansi- v6Ly surveyed al3d. laapped by IIALE for tris Ph! thesis lroject with th6 fllp€rial Co].lege of loadoD. The longobEcco and galoreto Gro[p !.a.Ee s liere prolosed by TEALE (1985) a&d SANIANIONIo & IEAIX (1985), respective].y, for these calabria.n seqlle!.ces. [he rich ].iassic bra- chLopod. faü1a of lolgoblcco is curre.nt1y bgiEg stBdi€d by E. TAn- DEI RUGGfERo (University of Napl€s) yrho has published together irith vöRöS (1987) ar iaterestiÄg a?tic1e oÄ pa16 obioge ograplsr. The Sinelurialt brachiopod fau!.as show stnong affinj-ties with the N]lv Ellropean ones, w]rilst in the l]ooorla.n the fautas c].os€Iy resero- b16 the Mediterralea.n o!.es. B.A.U!EIoI et aI. (1988) corfi?E the Hettangia! age of the Earir16 transgressio!. in the §il-a &ou"ntains a]la ir Sicily. BOU-II,IN et a1. (1988 cu:a bibL.) discass lithost?a- tigraphy, sy.nsedirle[tary tecioric e]/o].Etion and pa16 og€ ography of son6 ju.rassic seql.l€]lces exposed j,.E different tectoEic uaits of Calabria. The Aothors a].so give iÄforeatio! ol]. sone lia,ssic aE!]o- .Eite fau.Eas. b) Sicily - As regard.s the JlraEsic, this is the ].ess stadied r6EiollofItaly.TheaboveItr€rltiorledlapersbyIADDEIRUGGIEao& iäää!" r iä e i *ry:'T. r ?ä ;äi"'äi i-ä; :*'i,i;:nm::'ä1,i3ä' : g""lhi" DE ,vtrvEn et aI ( 1 e86)^ r -d?11-?l:":":l:,aau4lua ;"i:';;"fiäitä-ä.,ä*". " = died. a Batlraolatr -r' ::äh ä;; ;.ü;;,;d " " l.*-. :l.:li,lgif :' ;:::::;:":"';::ä :: op od e s ard ca'- #ä"ll: ":"i:;:! ""?l' oi, a*oai te =' brachi pio,.errid s Yvere precrso"älill;; !v :E:i1i:t"i: :::: "i ::ii'{;"tlli:m: ffi bv GEM'ETF ?"H::'lh' ifi !ilii,'a"ii::i:ä ;;"i;;"ii-*"t""v-önös'"t a1' (198?) ,80. Bv Eeaas of u"*"n'"p oäJ- äiä'i""il" " carbonats to daie the of the Palorüj'do were ab]"a """g'ä"t"ti""ro the saiocia,'' Xilitiä- =i""ä*rii "o'u'"ni"o

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(in press c) - Studio paleoEtologico di aLe u,ai ?aplreseaiajt- ti d.€I ge!.ere naÄ[bisphinctes zEfS§ (.{&noni t ir:a ) aeI-a Zo!,a, a FaI- 1auxi, Sottozona. a Birl1ncinaton (fiionico i.nfer.iore ) di dLle s6zio- .l].i de1l rÄpper-4ino lcarchigia.Bo. Bo11. Ser"e. ee 01.It. CECCA F., CEESTÄ S., PAIIINT c. & S-4,I{TAXI0NIo M. (1985) - Renarks on the Kirdrderidgia.!-lower Tithorxian aemooite bi ostratigrap\y of two sectiorxa ( i!1 the Centra1 Aperulines. Ne.!,rs.l-. on Strat " 1 5 1 ) : 28-16. cEccÄ F., cRns{,a s., PAIIINI c. & SaNTANToNIO M. (1996) _ Bioatra_ tigrafia ed aenoEj-tj. del Dogger-Iial"e d.i Co1le Tordina (monti d.e1- ].a Rossa, Äpperx!.iro Earchigiano) . Bol-l-,Serv.c€ oL. It., C ( i983_1 984) : 177-2A4. cEccÄ F., cRxsTA s., pAtrtllll G. & SAI{IAIITONIO M. (198? a) _ Ie tro_ thariÄgiea-Carixien de eoxgo a Cerbara (ü.Nerone, Aler]-rlill des ]Iar* chss). Cahiers lrst,Catho.Lyoll, s6r.sci. jz 57-6b. cEcca tr., 3oI[IdERGüES J.-1., MOUIXRIE E. & pAttrNr G. (1987 b) _ An_ Eo!]it€s !06dlterran6erae s dl: Ilotharingie-n de eorgo a Cerbara (M.Ne_ rone, Ape.Dlxj..rl des l,Iarcbes, ItaLie). Cahiers IEst. Catho.tryol1, sdr. Sci., 1! 67-82. C!]CCA F., CBEST.4, S., Pj,ILINI G. & SA§EA]{TONIO M. (in press) _ fl cir_ raseico d.i ldoite lierone (Apl,e11ni.t]'o aarchigia]xo, ItaLia cal1tra]'e)3 bi ostratigrafia, 1it ostratigrafia ed e1,o.].t1ziolre pa1e oge ografica. Atti IIo Col1v.Illterrl. ,rFossili, Evo].[zione, An0bieÄterr, pergo]-a, 19g?; CICCA F. & SANTANToNIO U. (1986) le srccessiori d.eL ei[rassico sE_ | - periore deI1 Appennilo unbro-Ea,rcbigia-Eo_§abi-noi oss6Faziot]i sq1_ la geoLogia e soI1a bi os tratigrafia. It1 rlossiLi, E1lolaziore, Ar_ biertei', Pa11iÄi G.(ed.), Atii Io Conv., pergola, lgA+2. ltl_tte" CECCA F. & SAN?ANIONIO M. (in pross) _ ftMreri.agia; and Ear],y Titho_ niaa alulonite asserdblages i.!1 the üEbria_tr{archÄ (CelltraL s_sabiae Aperur.ine s ltaLy). A1d lrlterll.Syap. ol1 JBrassj-c Strat., U-sboa, 198?. cHANNEtrt J.E.r., BRAtrOrlEB T.J. & GRAI:!-IESSO p. (1987) _ Biostratigra_ pbic correlations of Mesozoic poLarj.ty cb.?o.as CII{1 to CU2j at C;_ lriolo aad. Xa[sa (Soather.n A].ps, Ital-y). Earth ard plaret.science Ie tt6rs, 85. 203-221 . CI{.{l{NEII J.E.t. & eRAN,E§SO p. ( 19BT) - A revis€d corl'6tatio_a. of Mesozoic polarity chrons aÄd. calpionellid zo-o.€s. laf,.t} and pla]let. 222-240' Sciet]'ce fretters , }rt j'o loargine de1la piat- M. (198?) rr eio""""ito facies di oHIOCCHINI - riao ce.atro-re"i-di ona].e: breve sinte* taforma carborat:cu, oe:-riiipän BoIl'soc'Pal''rt' 26(3): si d.ei &ati pale orrt ologrci'ä- "iiäiie""fr"i ' & uA*rorrr G' (i! coRDA r,., GArr'r P', erova*rrElrr A' .rili;ii?'-., gtu""""i"hu deL bordo sLld occidellta']'e della lress) - Successionr E?ol-Eziorle AE- i"t"""'ul ;ä;;. ltti rii' corerr ' ratern' "Fos sili ' ' 1P87 tiente ", Pergola, ' (t$84) rr- Rosso cr,iii'^p.rl,-ü,Eiixr'p., P.ASroirNr M' & lavra s' - g"i ) d e i lessini set- aEroonitico I.trfsriore t o;i;o-c"froriano , ^Monti1 1 . ni"' rt":''?a:.eort'strat "' 9 o( ) : t-86' äääiääit-?""ror,"l";:;;-*Airral Ehe, sil-iceous lavers l. & PAvra G' (!a' press) - til;; väti"" i""i"tiorl (sorthern Alps)' Äiti of the Rosso Arutroritlco "" 1987" corv.I4torn. ivof[ziole' AEbie[te"' Pereo]'a' IIo "fos"i:'i, superfici di intor?aziooe di seai- .rü, i.i.'**"lvii e' «lgeil - di e ].aculle ui os iratigritiche nel- cretaseo lnferiore ßentazione ( 1-2 ) : 21-38' Mizzo:.e (le ssioi vu"oo'uii' ill.l-'soc'PaIeorrt' 11: :-'6 &loNAc o P., BAIIANZA A" cREs- colAcrccEr-"ü-i.-ä-rliirNr 8., NOCCHT m., rinrsr G"' G. (i!. press) - räIe oenvironnentar alat.vsis fron ii""'t" u.r, (corniola io t{aio}ica rortratiols).in the unbria- Uarchebasi]1celltralIta1y(Pr€1i!d.-EaryReport).zndl4ter[.synp" oÄ Ju.rassic Strat.' Lj'sboa' 198?" & uARIoTtI f'-(fgge a) les Bdletrnites de 1a ca'rriä- c oI[BEMoR]t! R. -tl!coÄa'' Ce]1tral' Ita- re de Serra Sal1 Qui?ico (protiace d Ap€noi-o ii"l it pa:-gogeoempni" a"" Bdlennites de la Tdthvs B6diierra- ,rZ"L""i tithoniqoe irf6rieur' Geobios 19(l): 299-326 ' "o (1986 b) First record of DuvaLla-ll- C--thonica. o!ßxMoREl, R. & MAB.I otTI N. - a Barker of Üpper Iitho]1iallrill Centra]' Apennills ' Bo]l-' soc . Pale ont.It . 25(1)t 35-39. MARIOITI N. (iIt press a) Ritrovanerto di un esein- C- OUBEI{OREI'piri"-'app"tt"Ee.ate R. & - al.La §pecie jlgll&lglgg +talicus re1 1itori- Evo- äo a"[iipp"ooiao ceatrale ' AttIEo coav ' Interrr ' "Fossili ' 1u.zione, ArUi"r,ta', Pergo].a' 1987:" codauonri R. & MARlotTl tl. (io p,"t" b) - TaxorloEie arld biostra- tigrapiric reroarke otl iErassic bele&nites frolo Sici]-y' Atti IIo n Pergolat 1987; coäv. Inter1r. 'rl.ossili r !volaziolxe ' 'A'Bbietrte ' coNTi M. e mfcucc: M. (in press) - Two Radlol-a'ia'n associaiions f,rolo olhiolit€ i, s*"t""o fi8uria (Norlhertl '{pe!-!i'n6 ) ' 2"od llllerrx.Syßp.on""qo"o""" Jaras§ic Strat.' trisboa' 1987" coffii;:i.-;--i".poa u-ouiar s. (19e?) - 'a xtiddLe J*rassj'c siralYe ara Gas: iar:ra fron unlrii (öeatral- Ite].v) ' Geolo€ica noe;23(1984); 175-210. & SZABO J. (in Bai ocj.an Gasiropod faulas froE CONII M.A. Press) - Strat. the i!t?a-te thra! regiotl. 2&d Intem.§yBp. o!' Juras§ic ' !isboa, 1987. -9-

CnE§IA S. (ia prese a) - Associatiors d raDmot::ites et biostratlgla- phi€ de l tAa]'dnisn 6t dtr lajocie& inf6rieqr d.es ApenJxir.s dr Or0- brie-Ilarches (]tati6). 2lxd llxt6re. SJrIop. on Jurassic Strat"rtris- boa, 1987. CRXST.I S. (i.rl press b) - Äa]"€l].ia-E and nar].y Bajocj,a& arleo-[ite fa[- nas a]1d biostratigraphy i]1 the Uollte Nerone area (Apennj-nes, c€lxtral. Itaty). ueetj-rg on Bej ocian stratigraphy, liobbico-Uo!- tl lessil]i Veronesi, 1988. oRESTA S., CECCA F., §AN?ANIoNIo M., pAttrINI e., BRONNTHANN p., 3AIDA1[ZA 4., COIACICCHI R., I{ONAC0 P.', OCCHf M., PAR]SI e, & VIiNTURI I'. (in press) - Straiigraphic correlatio.ss ln the JEas- sic of the Unbria-MarcheE Ape!-a.ines (Ce&tra1 ftaly). 2!d tultern. Synp. ol1 Ju-rassic Stratlgraphy, Iisboa, 198?. CRESI.A. S. & ?AIIINI C. (1985) - Re?isiore d.i Sinogoseoceras SIATH, Perj.slhirrctidae del T.itorrico i[feriore. Sof:-Surv jee ol;iIt. CII] ( 1982): 183-2 o1 . ,EllA fRIr§A G. & M.ARTIB.E I. ( 1985) - Ia sBccessio.lle giurassica ( PIi etlsbachiano-ßiEnerid.eiano ) detle .{]-pi }eltrire (fettu]1o). Riv.It.Pa]-eort.Sirat.91 ( 1 ) : 1 5-52. !E CASIRO P. (1987) - !e facies di piattaforEa carbonatica d.eI GiLuasEico itaLi.e[o, diffasio1le area]-e e li.neataenti biostrati_ grafici. Bo1l.Soc.Pa-l.It .26(3) | 109-325. DEtrIAGIOVA]{NA e. & nI GIUIIO A. (1985) - tive]-Li cla.stici l1el-Le rad.iolariti d.i Araasco, seglalazione ed i.nte rpre tazi oIre . Re]xd. Soc,Geol..It. 7(1984) | 1 )-14. DEIoGU !. & NfCoSIA ü. (1986) - HotracrirBs sircerrs -r.gen.a.sp. fron the ldal.l[ of the Central ftaIy, type ot tfoyacrinidae .E.fan. Bo11.Soc.Pat.It. 25(1), j-7. WXVER p., DE GXYSSAI{T J.R., AZEMA J., nXvo§ r., DIrrE e., MAN] T H. & VRIntrnYgX B. (1985) - la coape de Santa.tr:Ia (zoae de Sciac_ ca, Sici].e): u-De synthöso bi ostratigraphique des aplorts d.es nacro-!rie?o-e t nanrxof ossi.Les dlr Ju-]:assiqlr€ §l1p6rieuI' et Cr6tacd j-!f 6rieu.r. Rerue d.e Micropaj-. 29(3): 14L196.- DoüMERCUES J.-1., FERnEITI A. & MOUTEEIE R. (in press) _ Les l{ar_ poceratirae d[ Doa6rielx infdrieu-? udd.i,ce rranden. Atti IIo Corv. I-aterr1. rrFosEi].i, EvoLlrzioIre, Alrbiente'r, pergo]-a, j9g?: DoNoVA]{ D.T. (in press) - sillenl]riaÄ ard plie;sba;hiar aEmonite faurlas of Centra} ltaly. Atti IIo Co.nv.IEterl},'rl.ossili, Evo].azio_ n€, Ambiente,', pergol-a, 19 8?. ERtsA il. & QUAIRIo B. (1982) - Biostratigrafia a NaIÜIofossi].i calca_ rei, Ca].pion€1fidi e ForaEiniferi ll-ar1ciol1ici de]-1a l{aiol,ica (Titoäj-aao superi ore--Ä.Itiano ) le:-t-e pr".fpi i."r"il.ne lrtatia setteatriohar e). Riv.It.?aleont,'strat'; 9l?1) ! 3_jOe. FARIN.a.CCI A. (1987) - Inqrad?anento de.t]-e facies giu.ras§lche ita_ l.iare nellfatsbito detfa !etide. Bot]..Soc.pal.Itl z6(lt egS_löl IARINACCI Ä. (iJr press) - nadiolarites la a few Tethyar lacallose " s€qt1al1c€s. fhej-r relatio]1 with €loba]- erelts. 2nd intern.synp. or:. Ju.rassic Strat., Iisboa, 1987j (1ö85) a Bathon:ian (niaate. Jurassic) aüEo[tte faEIlu- -1;';";;eÄlAcz A, - Pa- rioitä' rr."t" ( tresterrr sicilv)' Frasnenta l[insra]-'ei Ieoot. 12r'19-26" marchi- s. ( rgao) uegabrecce gl-Eassiche rel-l-a dorsale edil'li;i-";;;-" -i";"- - Borl-:Soc 01"ItT inpLi'cazioai paleotettoniche' 'iGe ' cv( 3-4) : 371-382. A. & PAtrrrNr G' (in press) Biostratigrafia clili-p.,---"ä-.^"ä"iti eiov.tntrrerr: - (l,Iarsica del, trias nedio_sriperiore di serra Rufigno äi""t"i"1, Aiti IIo Coav.Intern" n!'ossiLi' EvolEzionot ÄEbie&terl 1987. ?6rgola' (1986) roorfometrici su fo- e r ov.l,äwori u.c. * scutlvrrorto F. - Dat.i raroiniferi Globigerinifofiri d.el Baj ocialo-Kimmerid giaflo di Co]'le r"aa t 187-197 l""ai"" (eppen-niao UBbro-ltarehigiano) ' Bo11' soc ' 'at '25(2) ' nonnrit n., iiB:prrn R., §rEREl{ H. & znrss A'(in press) - Tho Jr- rassic in the ar€a NlY of Corti&a drAEpezzo' Atti IIoCofl/'Inter'E' ;foss:-ti, gvol[z:one' Ämbient€'r' Pe]'go1a''1987;' (fgSf) in the Jurs'ssic and trower rr{MEnz- -C"" P. - Faeiee relatlonships t""u oo"- p"iagic linestones of the l{onte Nero4e areat prorince of Liarctre, itrty. s"air"ntation o]1 a subrdarj'ne high' Mj'tt'Bayer' Staa.tssl.g.paläont.hist.Geo.1., 25' 195-208' JADoC---re r. Ä iorrsnr:,r r. (198?) - le §u.ccessione d6l- lias inferio- ai ltort"roae (Iecchese). Me m. S oc . Ge 01 . I t 32( 1986) 49-56' ' (1985)' JENLY1IS H.C., SArTr M., MASEITI D. & HOITVARTH M.K. - 'dEno- Ilites aud itratigraplry of lower Ju-rassic bLack shales and pela- gj-c lirE€stol].€s from the 3e11üro TroEgh' Soathern ALps, ItaLy" Eclosae €e 01. Hel-v. 78(2), 299-311: x-ir,rtq ö. 4 üIETA S. (1988) - EL lias S{:perior y e1 Dogger i4ferior en Gorgo a Cerbara (Apeait1o cet1tral): aspectos bi oe stratigrafi'c os y sedimentologicos. E§tlrd.ios geol. 43: 489-511. ],uAlDI A. (1986) - Earl,y siIreErriar hardgrounds in the ligrrlaa Alps, Northlyestern ltaly ( Prepia4ontese doEailr, Afitasco-Ca§teL- bianco ur:j.t). EcLogae 8e01.Hel?. 79(2): 165-184" ![A§NI R. & NICos]A U. (198r) - Crataegocrinrs tontel'Iii tl.geE.n'§p' z3(t) fron the Dosger or the ceatral-§EäIiGi-ou. so6l!är.rt. ' 137-139 . Ufiü[I R. & trICOSIA U. (1985) - Saccocona, scwertschlageri fla]'ther, 1904 julior €yrxonin of Saccocoma te[e]-]uE( Goldfltss ) t 1829. Evi- a6nce of artoroEy .i.n toili]. cril1oid.B. 8011.§oc.!41.It.24(2-l): 181-183. MANNI R. & NI0OSIÄ U. (198? a) - Saccocona ve !4i-plIa r.'sp;', a n€w Saccoco&id fron the Upper J[rassic of th€ cert.al- ftaIy. Ge o1o* gica non. 23 (1984). 91-97. UANNI R. & NICOSIA U. (198? b) - [wo rew sp€cies of Cvriocrinid criaoids froe l$orth€rn f ta1y. uen.Sc.Geol.Usj'v.Padova 392 265-27 1. ANI'II R. & NICOSIA Ü. (in press) - Psa].id.ocri.nrs aitti tl.ep.icyr- tocrinid criÄoid f?on the lower fithonian of th€ Cel1tral Apea4i- rres. eeologica Ron. 24( 1987). - 11 -

MARcuccr p. pRrNcrpr u., ,errrrrNa & G. (in press) - rh€ age of ape.rrnitrie ard alpin€ Ophiolites ald the .A,tLantic Ocean opel1ing. 2]rd Interu. Sylip. on Jurassic Strat., l,isboa. 198?. MAEIoIII N. & PIGNAITI J. (ia press) _ Furthär evial6l1c6 or sone probLeas c oncer.&lrg the strqctu-r€ of the glrard irlos in 3€IeDnites. Atti flo C one. foterll. si1i, Evoluziorle; Ambieate,,,pergoLa,19g7. MoUIXnDE R. & !'ERFIIrI A. (1986) _ leE Änr.raorlites_Caraciöres et':n_ tdret. Exeople de 1,eyo1lltioa. d.6E lta.rloc6ratiaO" ao trias Eoyen ndsogdea (Ape]1nja des Marches). In ,'Fossili, lvoluzioae, trnbita_ (ed. .1 _. Jl 1-,__P41i"i^c.. ), Artj. Io conv.ir!.ter&., ?ersola, 984: Z3_83. rAItrIsI e. (1985) - Lt otizzonte laltechioceras ä"i i,otf,""irr!i*rro su.periore ne.t1a',Ooruj.o1a,, aet-a MonEä-Gtifäl7ppe&ino giano. tFossili, Earlchi* fn Eyolrzj.one, Aebielte,,, iafj,ini e.(ea.), ett:- Io Corw.fntern., p€rgo1a, jgg4r 1jg_121 . ?AMNI C. ( 1987) - Ae.nor1ite biostratigraphy fis of soee trower Dogger. sure-fillings in the l{artaai i{ou.niaias (Sortheru Unbria) . Geo"l.ogica Rolx. 2l (1984), 211_215. ?AVIA G. (1-081) (fj.rst - ftaly report). fntern. S ubc osrlis, on JLlras_ sj.c Strat., News].etter no ?. PAVIA G., BEt[E1t I A. & MINET?I C. (1997) _ 11 Monti Rosso .aru0oaitico dei Lessiaj Vero.a.esi (ItaLia NX). FaüLe ad er.orri ti e disconti_ aLiiiä s tratigraf ich€ l1el" Xia.meriagiarlo Lf .' 8011. Soc. paL. Lt. 26( 1-2). 63-92. "ii "* PAVIA G. & SA-Rff C. (j987) _ Biostratigrafia ad aro]loIriti d€I Gir_ rassico italiarro. Bol1. soc. paI. rt. 25(3). 2e;_zia. sANTANfoNro M. (1986 _ a) A&no&iti ,t nro""."_ tidae nel trtraf E dell'Appe-r]nillo u-Ebro_narchlgi"ri_3ut:"".""""'ä"tr"-i"iiJiru .t Ge ologi_ ca Boo.22(1983)t 47_t j5. sANrANroNro (1986 M' b) - Torg.aease (oppel), siroceras g! girsäse ueneshili e roinä-äE?fä-Eftfoni;;-iireriore++99-g{-. l,,App€nÄIno aer_ u&bro_Earchisj"e.no. r",Fo;"iii ; ä.;ärüioo", t€',, pallini G. (ed. erui"rr_ ). atti roconv.r.nt""".,'p"ieiiä-ü-il"';;;;ii"or, 19842 11_3t-. satyraNroNro u. ( 1e85 _ s" , di arr&oniti "i ea"r",io; rr.e i. sedin€reri iitooici. a"ii,arn"äü" uübno_narchlgia_"ou"r" .no. rlr. ,,roesilir EvoLrzi tr, one , AlxbieEte räiri"i-ä.f"a.), ;;;i-*- _--Jo conv.Jnter!., pergofa, lgAC.- Ag:il;' sANTANroNro M. (1987) _ gical r"i"gi" c""[oätu p]-atforns i.a the geolo_ record: their genesi;, patterns or- lrtioaary pathways. a""aar ". äiiäil"ti oo ard evo_ srpu MrayL"-ru" i:.*ie, iustia tSS7, Abstracts v o.L. fy: ?4. " S.A.NIANIotrIo l{. & TEAIE c.r. (19g5) _ ' tatio.E Jur:assic condensed sediner_ or Hercy.aj.ar beseEent ( ca].auria, fiafyil-.luut". Mee ting I.A.S., tr€rida:459_460_ etn uo"op. SANTANToNIo M. & TEAtn c.I. (198?) _ An }]xaEple rital Epj.sodes of the use of Det_ in E].qcidating conprul ,."iätffr" i eeto a.!.d longobucco Gro,,Da s: the ca.Io_ of N.r. Ca:.aUria, ;:;;;iV.""i" ro. teg€ett r .K. & z&f f a. c. e. ( e 66, 1,i6""i."" cr""ti.--Ää äIÄ""i äiäi", ur_z+. el.fa:ne,s-ä du Juras- saRfr c. (1985) - Bi ostratisraphie 1T::]t""dr Rosso An- sioüe sup6rieu.r ae fa praie-formo Atesin€(Formatior ?al-Sobiolosie 4(2): 321-330' iääiit"ä'v?i"äi"). n"',o" de ' del 6^Dnr r'.0861 co[sider;zi;o;- no""o Amrnonitico veror]ese t^äii ^ - "or coÄ artre srccessiooi del" !;"itil"i*.r"].itäj- " r'itroati-e'uient6'r Pallini c'(ea')' Tre&ti]loi In ',Fossi1i' ,t"iiä-ritä, Perqora. 19842 53-65' ' Itii'ii-ö""t.r"tern' for the upper ,oäii"a. (;-;;;" .) -' ei oltt"iieraphie stbdi'vision yeretian nfp" iio"ifr"i" it"ty) oo the base of aßnoni- JErassic, Srra't Lisboa' '1987''" tes. znd. Intern.Symp'on iura""':-c .' ,oiri'a.'^it" ,"""" ll - li'o"ri"'o 'Ee11a spec!e §gwe-rbvcllas lg{vr' (uun.-chaIn. ) ae1 ximrneriielano ' Atti rIo con'l-' rrrter'rr't''uossili ' ambi.ente", Persola'-1987'- ;;;i;,i;;;' Pale- obj' oge ograpbical evalra- tAlrEr RUGGTf,Ro E. & voRos e] frgarl - '!ion of cala,brirt fi"""i".'i'"tii opoat ' Rend'S;c'G601'1t' 9(1985)I 235-242. of olis- td# ;.;: (1985) - occrrrence a&d geological Bignificarco '-iärin"-r"". the longoboceo Gror!, Cal.abria' Soathern ltal-v' 457-458'. oU"t". e t.,'). iluro!.Hee!i:lg I'A'S" leriCat (;98?) isolated otisioliths rron the lon- tBiii"ä.r1"ä iö-ulrä-i.n. - J'K' & zuffa gobucco Ba§ir, Cafauria, ioutirer'E Italy' In Leggett cla.stic Sediroe4:ologv't:15-88' E. ili"a".l "r*"ino - A JLuas- r.' cEUcNor,A G' & DAI{rNr G' (1986) - 'new rrrqiöni--"i" 1.,'Brxr aIId its pa- tnyrä"o""phala Egggggllg ildE+egsis s?":1'lI'"' ar' 9 2 ( 2) t 2 39- 25 a' c 01 osi qar s i gni rr caääInFlfIlEäGor:t's * 1e oe del-Ia co]'leziorre ca'pe11i- vEiTüRi-r."i' r ggB) I -cononiti hetta4giani oi proo"oi"oti daf terriiorio dsll-a' §pezia' l'lero'Soc'Ge01'It' lo(1985):151-158. pale oge ografiche su1 lias VERCESI P,r. & Brssolarr ü. (1985) - §ots ' -ääiii ( 1 3 väi-r,rrurr"r," ( s""""iaJ' Rend'soc' Ge 01' rt'? 984) 3-5' & cATÄrANo n. (19s7) stratisraphic data' to vöiöJ,t.,-cli,lcz a. - (fteEierlt sicity) the Jqraesic aeveropmeat oi the iaaorloide zone ' soc . ge rt 9 ( 1985 ) : 243-248 R6nd.. ol. . ' of the stra- toüuC-,I.n.,--tigrapny'of TxArE c.T. & BoltN P'R' (1986) - Revision the Longotucco Groap(iiassic, soqtherlx Ital-y) based orr"o"* ätt* froo nannofossj'Is and amnonites ' Ec1oga'e geoL'heJ-v' 79(1) | 11'l-135.

D".Fabrizio CECCA servizio GeologiQo dr Ital-j-a largo S. Sosarua '1 J r-00187 Rotil]l ( rtArY) Enc fosure 7 No\,Elüe! l9g8 Revised list of aaldresses of the rErbers cm Jurassic Stratigräphy of tlE Internatidral Subcqrmission

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Zeiss, A. Lj.u, B. Iltstitut für Paläontol.oqie Beijing claduäte School t nilErsi.rät E1&qen-Nij;berq rürhan Colfege of Geoloqy Ier€nichsü'asse 28 Cheogfu Road f8520 Er1aigen Beijing ED PEOPLES REPI'BLIC OF GII}'IA

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!'lichelsen, O. lb.rterde, R. Geoloqica-l Srrqey of Der[ItErk Facuft6s Catloliques tholavej & Lyon I Labo!'atoLoile de G6o1oqie D(-2400 Ccpenhagen Nv 25, rue Ar plat DEO4ARI( F-69288 L),on Cedex 1 TANG

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ElEy, R. Poulton, T,p. DEp. &s ScierEes (b la lbrre Institute of SediJEntof6v t niversit6 CIau& Bernard and Petroleun 27-43 Geoloqy N,. de 11 lp\r€Iüre GeoLogical Srreey of Cäiada F-69622 ViUeuriarrE Ce&x 3303-3rd IREIE St. Iiw Cal.gary, Alberta, f2L 2A7 CTT{ATA

Krishna, J. Riccardi. DepartrEnt A.C. of ceoloqDl ttuseo de Ciencias NaturaLes Banaris Hintu tkLiversity Div. de Paleoz@f .Invertebr. P 3/11, Lane No. L5/I7 Pas€o de Bc,soue Ravintlra Puri 1900 La Pfaia varanasi 221005 ARCE!lfinA I]OIA t{estediain, G.g.G. DeparürEnt of Geology l@,taster UrLiversity Hadlton Ontario tBS 4!t1 Rostovtsevr N.O. CAMDA VSGRI sre&ry prosp" 74 Leningrad 199026 Zakharc,v, V. US$ silelian Blaich of the Us$ Acad. of sciences Inst.of C€olog)' and Gecphys. 630090 Novo6ibi-rsk 90 S+unov, I.G. üniversi.etskij pr., 3 Brlga-ri.a Acadsrly of Sciences USSR ceologicaL lnstitute 'r Strasimi.! Dirlitrou" Al

Sato, T. coEesponding IIE rhers lnstitute of Geoscienc.e UrLiversity of Tsul§rba Sakurairüra Atrc,ps, P. Ibaraki 305 DEp. des Sci.enc€s & Ia TeEe JAPA}I Univelsita Claude gelnald 27-43 ü. 61 11 rpvqrbre P-5962I viLleurbänrE cedex §rith, P.L. IBANG Urriversity of Brit. Colürbia Depart rPnt of Geol. Scj.enc€s 6399 stores Road Avfan, E. vancorrer v6T 2B4 Institut de Geologie CAMDA si Geofizi.ca str. Caransebes 1 78344 Brcaresti Ste\rerE, G.R. RCI.IANIA l.te\^, Zealands Geol. Surlrey P.O. Bo* 30368 Lg,Er lfutt Beauvais, L. Lab. & PaL6ootoLogie des NE{ ZEAIAND Invertebr6s t niv.Pierre et !4arie qrrie 'lantr 25, Je etaqe 4, place Jussieu faylor. D.G. F-75 230 Paris ceds( 05 De!r. of Eärti Science§ FRIIG Portland state University Portland, oR 97207 81@6, c. USA Staatl.l6rserro für r,atr:rk:nde Rosenstein-1 D-7000 Stuttgart-l MD volkheiner, w. ltrseo di sciencias nat\Eales nBernaldino Rivadavia" 470 Cari

CfiEs-Rengifo, M.J. Fische!, R. DepärtarEnto & Paleontologia Geol.ogiscl€s IDstitut ahr lU Facultad & CierEias ceo1. Callinstra.30 Ciudad Unilersi.taria D-3000 Hannover 1 E-28040 r.Edrid BRD PAIN

Conti-Di, D. Geczy, B. Laboratoire & c6ologie RIm Bela te-r- 2 Itistorigue et Pa16ontolo9ie Inst. Palaeontologicun Inst.&s Sciences Naturelles Uni\rersity of ScieDc€ Place L€clerc 1083 Brd4est F-25030 Besancon Ce&x IIUIGARY FRA}€E

Ceesteak, P. crige1is, A.A. Blitoi1 Plc. Lithuanian ceol. Institute Stratigtraphic Laboratot'1. 232600 vilnius L50 Vi.rEerlt SLre€t Sevced

Darüorenca, S.E. Gr, Z.W. Div.Paleozoologia Irrverteb!. Nanjing Institute of C€ology larseo de Ciencias Natura-Ies and PaLaeontoLogy de la Plata Acädsnia sinica Pasco del Bosque Chi-+,üng-Ssu 1900 La Plata Nanj ing ARGBTT]NA PMPIES RPUBLIC OF cl{Ilq

Delance, J.-H. GLry-Oh}sdr, D. Ir6t.des Sciences dela Terra NatrEhistoli.ska Ril

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Eliäs, u. Ha1l, R.L. v.v.G. Urri\rersity of Catgary ttradebni 9 2500 U[iversity Drive N.W. 11000 Praha Calgar!', Albeica T2N lN4 C2EOOS.o}GKIA CEi{ADA HantzFrg.Je, P. ltizuLani, S. urivelsit6 & Poiti.ers Dept. of Earth ScietEes f.€b, & G6ologie stratiqr. Ferulty of Scj.elE.e et st8rcturale NagoJa Lroiv. 40, A\,Enr.E ö Recleur PirEau 464 Nago,Ya F-86022 Poitiers C&x JAPAI FRA}T

tlerngleen, G"F.$. ibj ica, ir. Geolcgical StEvq/ of Dept. Geoscj'enc€ t.tE lEtlleJlands tjniversity Nac. P.O. Bot< 157 Apt. 14490 NL-2011 @ Haarlq$ Bcgola NE'ITERIIIOS CGII,IBIA

Bj-11ebrandt, A. voir lbrton, N. rnstitut für c€Icgie ultd BiJkbeck coUege Palädltolcgie DeparEEnt of Geology Har&nhrgstrasse 42 7/15, Gresse Street rFrooo Berur 12 Lon&n w:IP 1PA BRD U.K.

I(apiliJrE, s. q9, J- tlni'.ersity of Där Es Sa1aan Dep. Eärth ScierEes DeparErErt of C€logy Plrdle Universi.tY P.O. Boi( 35052 Hest Lafayette Dat Es Sä],aa[ Indiana 47907 TAIIZTIIIA USA

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Kutek, J. Sadki, D. Inslitute of GeoloqY DepärtrrEnt of Geology tiarzar' University Facllty of ScierEes 92. Ztrirki i WigtEY University C.ADI AYYAI) 02-089 t{arsza.ra B.P, S15 I4ar_ra]

I,qlgoria, J. Schlatter' R. Dept. of Geosciences iluserm zu Al.lerheiligen ItE University of leias at ct-8200 schaffhausen Dal1as S.TITZRLäND P.o. Bco( 588 Richardsqr, l!e)(as 75080 USä

!G1en&2, G. Se+eitos, L. La. PaLeqtologia Apartäda 5 Dept.cierEias tb Ia Tierra E-23400 tlbeda (Jaen) Universialad & zarqoza EAIN 50009-zara@za SAIN Se),ed-Erani, X. Zha.,g, Z.-L. UEi\Ersity of lbhelan Yichang Institute of Geo1qv Faculty of EgirEering and niJEral Resotrces P,O. Bo( 1558 ChjJEse Äca&ry of C*o1ogica1 lelEran ScierEe IRAN Yj.chang Hubei Pro\riEe PEPLES REPUBLIC @ q{D,tA

T?Ehsqr, M.R"A" Bri.tish AntarcLic Surt ey Iligh Cross lrraaüng]y Rd. Caüridge CB3 oEf U.K. Hdlorary lsrbels

'l'rFper, H.E. Aqe!, D.V. C€Iogical §).rvey of Canada DEpart rEnt of C€ology 100 West Pen&r Street University of S,raisea van@uve!, B.C. v6B IRB Singleton park CÄI{ADA S,ransea SA2 8pp U.R. lbrrells, H.S. University of (eele HöIde., u. Dq)arErErlt of Geologj, Besselueg 51 Keele IF4400 l{änster rRD Staff@dshire, SI5 5EG u.K.

Tsagareli, A.L. lnlay, R.w. Äkail. der Wisserschaften U.S. Geological Survel/ Geologisctres Institut RooB E-501 u1. Zoia Rtrkhadze I U.S. National I,tuseul lbilisi, 380093 Washington D.C. 20560 USSR USA

Wang, Y.-€. NanjiDg Instj.tute of Geology Jeletzlql, J.A. and Palaeontoloqy Geological Surwey of Canada Aca&da Sinica Ottawa Pal-eontoloql' Section Chi-l4ing-Ssu Roqn 121 Najjng 601 Booth Street Ottar^,a, PEDPLES REPUB,IC OP ctII},IA Crrtario NIA OE8 CTI,IADA Wen, S.-X. Nanjing Institute of Geolcay f\rtdtrolz, G. and Pa.l-aeoDtology Uni\rersität I€nirgrad Aca&tüa Sinica Geoloqj.sche Fakultät (lli-+liig-Ssu L€r!tu€rad 8.164 Nanj ing ussR 199164 PrcPLES RPI'B,IC @ OTI]'IA

Widrl.edon, W.A. Iintant, H. Geologicaf CoEervation Review Institute.abs scierE€s Nature Cql§ervänqr @rEil de 1a lbrre lloü'ttmijßter gojse, üni\rersit6 & Dijon Nortlrünster, Peterboi.orgh 6 Bd Gabriel u-x- F-2U00 Dijdr ETAT{G