Appendix 4. Detailed stratigraphic columns

In the following pages, the stratigraphic columns are listed in alphabetical order.

Legende:

Diamictite Grainstone Phosphorite nodules Slump folds

Dolomite Algal coal Chert nodules Dessication cracks

Shale Phosphorite Olistoliths Ooliths

Chert Tuffaceous sandstone Faults Cross strata

Mudstone Conglomerate Horizontal laminations Biomat laminations

Wackestone/Packstone Silty shale Tepee Pyrite

Breccia Shaly dolomite Ripples Liquefaction structures

Bentonite Mud pebbles Tuffaceous sandstone Tuffaceous beds s: shale, sis: silty shale, m: mudstone, w: wackestone, p: packstone, gst: grainstone, cg: conglomerat, c: chert, b: breccia

Guozhitang section, Yuanling county, province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m)

20

Slope 15 Black chert. Slump folds (< 2,0 m) po ha c 10 u Li

Black chert. 3-m-sized cave at Slope 5 the base Olistostrome

Tuffaceous sandstone. Black chert. Folds. 0 Grey silicified shale. Phosphorite nodules. ntuo usha

o s m p cg b

D sis w gst c

144 Jinjiadong section, , Hunan province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m) 100 po

ha Thin laminated black chert. meter c scale slump folds. 95 Liu

Unconformity 90 Black silicified shale

85

80

Covered 75

70

65

60

Slope 55

50

Black shale. m-scale slump folds. m-scale elongated limestone olistoliths at the base and on top.

45

40 hantuo ous

35 D

Covered

30

Disrupted black shale.

25

Tuffite (weathered) JJD 2 Tuffaceous sandstone. JJD 1

20

Black shale. Small folds (< 0,3 m). One big fold (~ 10 m)

15

10 Thin bedded (< 0,05 m) black shale.

5 Dolomite.

Covered 0 o u t

n Diamictites Na

s m p cg b sis w gst c

145 Liuchapo section, , Hunan province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m) o

50 p Slope a

h Black tuffaceous chert. Slump folds

uc (< 1m). Poorly exposed. Li

45

Covered 40

35

30

Weathered tuffaceous pink-green 25 dolomitic shale. Numerous Basin compacted and no compacted tuffite beds. Poorly exposed. ntuo ha s 20 Dou

15

Black tuffaceous pink shale. Slump folds (< 0,5 m) Slope 10

5 Covered

0

uo Diamictites nt a N

s sism w pgstcg c b

146 Liujata section, Zhangjiaje county, Hunan province

Cum. Interpretation Thick Fm Litho. Sedimentary structures Description Samples (in m)

80

75 Basin

70 Black chert hapo Liuc 65

60

55 Dolomitic breccia LJ 1

Covered

50

45 Medium-bedded, thin-laminated, LJ 0,8 wackestone/ packstone

Olistolith (?)

40

Medium-bedded, laminated, dolomitised black wackestone/ LJ 0,75 packstone interbedded with black chert beds 35

Thin-bedded, thin-laminated black mudstone interbedded with LJ 0,7 silicified black shale

30

Thin-bedded (silicified) black Basin shale. 25 Chert nodules (base) uo nt ha

ous LJ 0,6 D

20 Covered.

Thin-bedded, thin-laminated LJ 0,5 mudstone / wackestone. 15

10

Medium-bedded mudstone LJ 0 Olistolith (?) /wackestone. Slump folds. 5

0

s m p cg b sis w gst c

147 Liujiato section, Yuanling county, Hunan province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m)

70 LCP 18

Black chert. Limestone pebbles Slump folds. Olistostrome Meter scale caves

65

Black chert

60 Thin laminated, tuffaceous black Slope chert. Slump folds (<1,0 m). o

55 p LCP 2,5 a Fine-upward-graded tuffaceous sandstone. Conglomerate at the LCP 0 Liuch base. Black chert. 50 Covered

Black chert

45 Covered

Tectonic breccia 40

35

30 Covered

25 o 20 ntu ha s Thin bedded, laminated tuffaceous shale Dou

15

10

Covered

5

0

ntuo Diamictites a N

s m p cg b sis w gst c

148 Longbizui section, Guizhang county, Hunan province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m) 100 Thin bedded black chert. Tuffaceous sandstone. Slump Slope hapo folds (< 0,5 m) uc Phosphorite. Li

Tuffaceous limestone. LBZ 2 95 Black shale. Thickness of the bed decreased to the top.

90

85

80

75

Covered (Phosphorite ?)

70

65

Basin/slope 60 o

55 hantu s u o D

50 Interbedded black shale with medium bedded fine sand-sized packstones

45

Black silty shale with channelized beds of fine sand-sized Turbidite channels packstones 40

Black mudstone 35

30

25 Covered

20

15

Black shale 10

Cap dolomite

5

Covered

0

Diamictites ntuo a N

s m p cg b sis w gst c

149 Luoyixi section, Luoyixi city, Hunan province

Cum. Interpretation Thick Fm Litho. Sedimentary structures Description Samples (in m)

70 Slope Black chert. m-sized slump folds. Olistholith (?) Liuchapo

65 Interbedded black shale with phosphorite. m-sized slump folds. Packstones

Tuffaceous shale with m-sized Olistholith No.4 60 blocks of packstones

Smoothly folded packstones

55 Olistholith No.3

Biolaminated phosphorite, dolomite, and chert. Tepee Heu-18 structures. 50 Irregular surface

Thin-bedded (< 0,1m) packstones/grainstones. Trough Olistholith No.2 cross-bedding. Small (< 0,1m) slump folds. 45

Fault

40

35

Covered ntuo ha s u 30 o D

25

Brown shales.

20

15 Slope Black shale. Several m-sized slump folds.

10

Black mudstone Interbedded black mudstone with white dolomite 5 Thin bedded, thin laminated white dolomite. Slump folds (< 0, 5 m)

Thick bedded, thin laminated white dolomite. 0 Slump folds (< 1 m)

antuo Diamictites N

s m p cg b sis w gst c

150 Maoping section, Zigui county, Hubei province

Cum. Interpretation thick. Fm Litho. Sedimentary structures Description Samples

75 Alternance of thin-bedded mudstone and grainstone.

g Lenticular, centimetric black Slope with several n i spherules beds (phosphorite?) debris flow episods Fine-upward grainstone with 70 Dengy several pulses. Interbedded mudstone and grainstone (debris flow). Slumps. Fine-upward wackestone and mudstone Bentonite Interbedded medium-bedded 65 calcareous shales, silicified black shales. Thin beds of cherts (1 cm). Slump folds. Slope with slump folds and tectonic intraformational 60 MAO 6 faults

Silicified black shales. Slumps. Faults.

55

50

45

Olistoslith from the Medium-bedded, disturbed dark MAO 5 nearby shallow-water grey limestones. Thin beds of shelf margin black cherts. 40

35 o u t han Dous

30

Interbedded silicified shales and algal coal shales.

25

Covered 20

Algal coal with pyritised chert MAO 4 15 nodules (?). Thin-laminated black + or - silicified shales interbedded with Basin / Slope thin-bedded calcareous siltstones.

10

Thin-laminated black + or - MAO 3 silicified shale interbedded with thin-bedded calcareous siltstones. Slumps. 5

Tuffaceous sandstones

Dolomite

0 uo Diamictites Nant

s m p cg b sis w gst c

151 Sangshuping section, Zhangjiaje county, Hunan province

Cum. Interpretation thick. Fm Litho. Sedimentary structures Description Samples (in m)

105 ESG 10 ESG 9

100 po

95 ha uc i

L Black chert. Basin

90

85

Black shale. 80 Fine-sand-sized packstone ESG 8 Turbidite Black mudstone. Slided block (?) Chert nodules. Slumps folds.

Covered.

75

70

Interbedded thin-bedded silicified black shale and thin-bedded fine- ESG 7 sand-sized packstone. ESG 6

65

60

Silicified black shale. Chert Basin/slope nodules. Slump folds. 55 Turbidites

Covered.

50

Silicified black shale interbedded with fine-sand-sized packstone

45 hantuo

40 ous D Silicified black shale interbedded with chert beds

35

Thin-bedded black wackestone. Chert beds. ESG 5 Slided block (?)

30

Thin-laminated wackestone/ packstone. Chert nodules.

Fine-sand-supported 25 conglomerate. Slump folds larger in the middle Debrite part.

Thin-laminated,silicified black shale. 20 Fine-sand-supported conglomerate with dm-sized boulders. Slump folds. Debrite

Covered. Fine-sand-supported Debrite 15 conglomerate with cm-sized ESG 4 pebbles. Slump folds Thin-bedded, medium-laminated, black shale interbedded with ESG 3 mudstone Slided block (?) Sand-sized, laminated packstone 10 Conglomerate Highly deformed black shale. ESG 2

Silicified black shale. Minor faults.

Black shale interbedded with 5 packstones Chert nodules. ESG 1

Dolomite.

0 o Diamictites Nantu

s m p cg b sis w gst c

152 Neo-Tianjiayuanzi section, Yichang county, Hubei province

Cum. Fm Litho. Sedimentary structures Description Samples Interpretation thick. g n 45 i y

g Dolomites n De

40

35 Covered

30

Thinly laminated, thick-bedded 25 black wackestone/packstone. Chert nodules, chert beds. Intrashelf basin margin

20 Thinly laminated packstone o u t han

Two beds of black dolomites (0,3 Dous m to 0,4 m) becoming shale (0,15 m to 0,3 m) at the top. 15 Slope of Thin-bedded (< 0,1m), thin- intrashelf basin laminated black packstone Discrete intraformational discontinuities. Chert nodules 10

Covered

Lagoon Interbedded medium-bedded 5 black mudstone with thin-bedded black shales. Chert nodules.

Black shaly dolomites interbedded with black shales. 0 Chert nodules.

s m p cg b sis w gst c

153 Wuhe section, Taijiang county, Guizhou province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m)

75 o p

ha Thin-bedded black cherts Basin/slope uc Li

Bentonite 70 W 6

Medium- to thick-bedded black (bio?)-laminated dolomitized Olistolith 65 wackestone/mudstone. Chert nodules. Dessication cracks. Irregular surface on top

60 Interbedded black shales, carbonaceous fine sand-sized packstones and mudstones. More shales on the top.

Black shales 55 Thick-bedded, packstones Nodular, medium-bedded, thin-laminated silicified shales

ntuo Very thinly laminated, W 5 thick-bedded, light grey packstone ha

ous Covered

50 D

Medium-bedded black shales

Covered

45 Basin/slope Thin-bedded, thin-laminated black shales. Weathered. Ball debit.

40 Silty black shales W 3

Covered

Normal-graded fine sand-sized 35 W 4 packstones interbedded with black shale W 2

Medium-bedded, thin-laminated black shales. Chert nodules. W 1 30 Covered

Thin-bedded, deformed black 25 shales

20

15

Thin-bedded, thin-laminated 10 black shales

5

0

Covered

s m p cg b sis w gst c

154 Wuhe section, Zigui county, Hubei province

Cum. Interpretation thick. Fm Litho. Sedimentary structures Description Samples

ng Packstones/grainstones. i 110 y Slumped (slab) conglomerate.

eng Shallow-water subtidal D Dolomitized oolitic grainstones. shelf Bentonite. Black calcareous shales with 105 coal scams in upper part. Silicified, thin-laminated black wackestones. m-sized concretions in the upper half part

100 Intrashelf basin margin Thin-bedded, thin-laminated grey wackestones/packstones with black beds at the top of the serie (O.M. ?). Chert beds

95

Fault

90 Duplication (?) Covered

85

80

Black shales interbedded with GJX 3 mudstone and silicified black Basin/Slope shales. Chert nodules. Slump folds 75

70

65 Fault

60

Thinly laminated black shales. Few silicified black shales beds. Rare chert nodules. 55

50 o u t Duplication (?) han

ous Covered (~ 2 to 5 m.). D 45

GJX 2 Thin-bedded fine-grained 40 grey packstones. Few thin GJX 1 chert beds.

35

Fault

Poorly exposed dark brown 30 shales. Common cm-sized phosphorite nodules.

25 Thick- to very thick- Olistolith (?) bedded laminated black wackestone/packstone.

20

15 Rhythmic beds, black or dark grey laminated shales interbedded with laminated wackestones. Chert beds at the base of the unit. Basin

10

5 Covered (2 m.).

Dolomites.

0 uo

nt Diamictites a N

s m p cg b sis w gst c

155 Xiaofenghe section, Yichang county, Hubei province

Cum. Fm Litho. Sedimentary structures Description Samples Interpretation thick. ng 100 i y Dolomites ng e D

95

90

Covered

85

80

75

Medium-bedded packstones/wackestones. Chert Shallow subtidal nodules

70

Interbedded laminated (biomats) mudstones with thin beds of wackestones/packstones. mm- sized chert grains 65 uo

t Black mudstones at the base. Lagoon n Interbedded black mudstones ha and black wackestones XHG 3 us

o /packstones at the top D

Fault 60

Thin-laminated black packstones Bed thickness graded upward from 0,1 m at the base to 1,0 m 55 at the top.

Thin-laminated packstones. Shallow subtidal 50 Chert nodules.

Packstones. Chert nodules. Thin-laminated packstones. Chert nodules.

45

Medium-bedded, medium- XHG 5 laminated packstones. Chert nodules. 40

Erosive contact

35

Dolograinstones with trough crossbedding. Chert nodules. Sand bank

30 Erosive contact

Black dolomites

25 Disturbed black shales level. Chert nodules. Dolomites. Chert nodules.

20

15 Black shales. Phosphorite beds

o and phosphorite nodules u t and chert nodules. han us o D 10

5 Covered

Dolomites. Channelized structures. Chert levels. 0 uo

nt Diamictites a N

s m p cg b sis w gst c

156 Xiaoyuanxi section, Anhua county, Hunan province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m)

75

Interbedded black shale with algal coal. Phosphorite nodules.

70

65 i x an u y ao i X

60 Violet shale

55

50

Black tuffaceous chert more or less silicified. Slump folds.

45

Covered

40

Thin bedded black chert. Slump folds (< 0,5 m)

35

Covered-fault Slope po ha

30 uc Li

Thin-bedded black chert. Slump folds (< 0,5 m) 25

GYW 4

Covered: fault (?) Thin-bedded black chert. Slump 20 folds (< 0,5 m) Tuffaceous sandstone. GYW 3 Thin-bedded black chert. Slump folds (< 0,5 m)

Black shale. Some disturbed GYW 1 Slope 15 beds. GYW 2

10 uo ant h us o D Covered

5

0 o

ntu Diamictites Na

s m p cg b sis w gst c

157 Xikou section, Jiangkou county, Guizhou province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m) o

po Black cherts Basin Micrite-supported breccias with

Liucha XIK 6 cm-sized chert clasts. 25 Basin/slope Purple shales. Algae. XIK 5 Interbedded (fine) sand-sized packstones and mudstones. XIK 4 Olistolith Climbing ripples. Trough crossbedding 20 Erosive surface Sliding surface Mudstones, shales interbedded Turbidite with thin- to thick-bedded (fine) XIK 3 sand-sized packstones

Grey silty shales Basin/slope o

15 u m-sized, lenticular beds of sand-

nt Olistolith sized packstone ha

us Highly deformed shale surface Sliding surface o D Black shales 10 Interbedded black shales with thin- to medium-bedded fine Basin/slope sand-sized packstone. Thin beds of green tuffaceous (?) shales. Few medium-bedded packstones interbedded with shales 5

Thin-bedded, thinly laminated dolomites Large-bedded dolomites. Calcite-filled cavities. Slump folds. 0 Tuffaceous shales

ntuo Diamictites Na

s m p cg b sis w gst c

158 Xixi section, Louxi county, Hunan province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m) 85

Thick-bedded black chert

80 po ha uc Li Basin / Slope

75 Thin-bedded black chert

70

Basin / Slope 65 Interbedded black shale with chert

60

Dark grey, slump folded mudstone, interbedded with fine- grained packstone 55 o antu h 50 Covered Dous

45 Slide sheet No 3

40

35 Fine-upward graded, fine-sand Sis 3 sized, packstones/grainstones Sis 2

30

25 Phosphoritic sandstone Sis-Ph Thin-bedded black phosphorite 1 to 15 Tuffite 20 Basin / Slope Grey laminated shale

Packstones. Disrupted bedding Slide sheet No 2 Interbedded black shale with cm- 15 thick tuffaceous shale beds

Grey, thin-bedded laminated Sis 1 shale. Pyrite.

Black shale. Disrupted bed. 10 Basin / Slope

Grey, thin-bedded laminated shale. Pyrite.

5

Dark grey thin-bedded laminated dolomite 0 ntuo a N Diamictites

s m p cg b sis w gst c

159 Yangjiaping section, , Hunan province

Cum. Interpretation thick. Fm Litho. Sedimentary structures Description Samples

40 g n i Dolomite packstones ngy e D Black phosgrainstones interbedded with dolomicrite. Mine. 35 Shoal Interbedded phosgrainstones with ripples cross-bedding, phosbreccias and mudstones

30 Covered Lagoon Phosoolites grainstones interbedded with thin-bedded YYP 12 dolomicrites Black shales.

25 Phosoolithe grainstones with mud pebbles (~ 0,02m) interbedded with thin-bedded (<1cm) phospackstones and mudstones. Phosphorite YYP 11 nodules. YYP 10 Debris flow ng i

y YYP 9 20 g YYP 8 Black phosgrainstones with mud Den YYP 7 pebbles (from 0,2 m to 0,02m) Fine-graded upward phosgrainstones (7 events). Flat mud pebbles at the base. 15 Black mudstones Black phosgrainstones with mud pebbles (from 0,2 m to 0,02m) Thin-bedded packstones interbedded with shales and packstone. Chert nodules at the base of some beds.

10 Lagoon

Black mudstones YYP 6 5

0 s m p cg b sis w gst c Nantuo Formation 145 m downward almost entirely covered. When outcrop, it is shale interbedded with few mudstones.

160

(i Th Cu 15 10 20 n 60 65 35 40 45 25 30 50 55 0 5 m ic m. k Y ) a Fm

Nantuo Doushantuo Liuchapo n w Li utan s tho. Se ect dim s si ion e s m ntar w , y p Y s gst uan t ru cg c c t li ur n e b g s c o u n t y th o c B th o c B , H Di p l T M B T d S T Dia Do Co d I S ( b I Gra B w B S w M a n n pho her her f f a i o l l l h u u m l l m l l i i m s a e to e to t t a e a a t t ac ac um ac t t so ck l r e ff ff i h h ngl c l o c he he t d ck sha ck sha n a oo al o m i r r i a a t ont nat k t t m n i k m k sha k sha - u i rga s- bedd f g m sto u x p f l bedd orm c c r ic l l p p s i th r om s ough ev ev i - m ch ch 161 eou eou ) pac nan i t ai to n . . s ti te. ha i ed e

o nui l n ne. De t - u u te 2 y ns el el bl ne ert ert r bed l er i a dst ppor T af f ded le ed bl z l l l l s s sand s sand e e s s ed, e e t w ed t o to ock

i at cr sc orm i

u . . kst onal w e l l an l a a a Cher Cher pr one e e ded ded ffite ne. s be

t t c i p os w v v t th bl t t ript one e k s ack d thi el el he to he to i a l est . ac th d cr di an s-b

. s ds. ovi t s s i st st do i n . c c onal t no t no

k cher ion . scr os -p upw upw t one one o s ong n e eddi her lo- hal n l p. p. ara r s n bedd e e et dul dul - g v ar ar lo f s t T T e w c / e o r ng e l

t c a l h h t r m es and es and ded ded l e e . ls d l a i ic ic m a n l . e ed s. i ta

t st knes knes st o ra h - s f s si si on t t

te o o z

lt

e e s s y d

YW Sa m T p 1 l e s S lide s Olistost Int e rpret Slop heet ro a e t No3 m i o n e

Yunmaxi section, Anhua county, Hunan province

Cum. Thick Fm Litho. Sedimentary structures Description Samples Interpretation (in m) i x Grey silicified thin laminated an

u shale y ao i X

25

po Light to dark grey, tuffaceous Slope ha thin-laminated chert. c

u Slump folds (< 2 m). Olistostrome Li m-sized caves. 20

Black shale Thick-bedded (~ 0,5 m) silicified black shale

15

o Covered u nt ha 10 s Basin/Slope u o D

Light grey mudstone Black weathered pink (tuffaceous?), laminated silicified 5 shale.

Covered

0

uo Diamictites nt a N

s m p cg b sis w gst c

162 Zhancumping section, Yichang county, Hubei province

Cum. Interpretation thick. Fm Litho. Sedimentary structures Description Samples g n Limestone 105 Dengyi

100 Covered

95

Thick-bedded white mudstones 90

Covered 85 Lagoon Set of thin bedded (< 0,05 m.) packstones interbedded with black laminated (biomat?) mudstones and black cherts.

80 Interbedded shales with light grey medium lenticular bedded ZCP 27‘ packstones. Metre sized concretions of limestones.

75 Covered

Black mudstone interbedded with silty black limestone at the top. Numerous flat and ZCP 27 70 spherical chert nodules. Few chert nodules at the base.

Thin-laminated, medium-bedded black wackestone/packstone. 65 Numerous medium laminated chert beds and chert nodules.

Shallow-water subtidal shelf 60 Thin laminated, medium-bedded black wackestone/packstone ZCP 26 with phosphorite grains. Numerous chert nodules becoming chert beds at the top. Tuff input (?) 55

Medium-bedded, very fine grainstones with crossstrata and ZCP 25 trough crossbedding. Chert beds. Sand bank 50 Tuff inputs(?) Thick-bedded (< 0,50 m) black packstones Thin-bedded, laminated oushantuo

D packstones 45

Thick bedded (< 0,30 m) dolomitized packstones 40 interbedded with thin-bedded ZCP 24 Shallow-water breccias with cm-sized clasts subtidal shelf

Erosive surface 35 Phosboundstones with bio- laminations and mm-sized clasts ZCP 23 Breccia with cm-sized ZCP 3 phosmicrite clasts in a dolomite matrix. Matrix presents small- ZCP 22 scale folds. Intraformational ZCP 2 30 outcrop-scale folds. Peritidal Black phosgrainstones ZCP 21 interbedded with thin-bedded, ZCP 1 lenticular dolomicrite. Biomats

25

20

Thick-bedded, thin-laminated black shales. Bed thickness Basin/Lagoon decreasing to the top. 15

10

5 Interbedded thin-bedded silicified black shales with black shales. Chert nodules at the base.

Dolomites with chert beds. 0

Diamictites Nantuo

s m p cg b sis w gst c

163 Zhongling section, Shimen county, Hunan province

Cum. Interpretation thick. Fm Litho. Sedimentary structures Description Samples ing Light grey dolomites engy D

115 Phosgrainstones. Mine.

Black shales Shoal

Interbedded coarse-grained 110 phosgrainstones, phos- and dolo- micrites and phosbreccias. Trough cross-bedding and mud pebbles.

Black wackstone/packstone interbedded with black shales. 105 Phosphorite beds.

Black shales. Phosphorite beds and phosphorite nodules.

100 Covered

Lagoon

95

Thin-bedded, thin-laminated shale-graded upward wackestone. Cm-sized chert nodules. Chert beds at the base. 90

Silty black shales

Black mudstones interbedded 85 with lenticular thin-bedded packstones. Large-scale mud clasts. Highly deformed interval. Liquefaction-like deformations.

80 Covered

75 Black mudstones interbedded with lenticular thin-bedded packstones. Large-scale mud Peritidal clasts. Highly deformed intervals. Liquefaction-like deformations.

70

ZGG 7 65 Very fine grained packstones ZGG 8 interbedded with mudstones. Small chert nodules.

60

Sallow-water subtidal Very fine grained grainstones. ZGG 4 shelf Small chert nodules. ZGG 5 55 uo

ant Covered 50 h ous D

45 Thin-bedded, thin-laminated ZGG 3 black mudstones/wackestones interbedded with shales. Pyrite.

40

Basin/Lagoon 35

30 Covered

25

20

Thin-bedded, thin-laminated black limestones interbedded ZGG 2 with shales. Pyrite. 15 Thin-bedded, thin-laminated black clayed limestones interbedded with shales. Pyrite.

10 Medium bedded, thin-laminated ZGG 1 black shales. Pyrite.

Thin-bedded, thin-laminated silicified black shales 5 interbedded with black shales.

Dolomites

0 o u Diamictites Nant

s m p cg b sis w gst c

164

165