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, Hunan 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, Xupu county, 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, Anhua county, 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, Shimen county, 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