Page 141 - Carbonate Platforms Facies, Sequences, and Evolution

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s 10 60+ 40+ 30 25 ? JO ? (20) (40) (25) 25 40 (30) (30) z 0 30 -35 - 3c 49
S9 80 - 100 70° 70 ? ? -1 20 --- 85+ 70 - 70 100 0 c ? 60 ? 100 JOe 93 107
100 z 80 -l
S8b( 13} 135 --95 - 40? -so - 75+ - 90 -- 0 0 90 -- 90- JOO- 100 I") 0 ., :=:: ? ? ?
S 8a (14) 30+ 194 145 ]] 74 23 48 ? 48 55 c --J 57 40 44 39 ? 52 49 94
�-7/ ·/ � � @ 0 5 ., 0 @ � [j)� v,� )/� Late Call
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s 7 (17) 8 - 9 78to 34 63 70 20+ 30 66 56 - 28 38 57+ 30+ ? 47 , 5 46 37 128
110 70 124 to
s 7 (18} 14-17 110 Ill 60 190 ? 100 150 55 29 0 ? Tx) (x) 70+ 250 c04 4 5 4
142 160 $ Early Bath.--
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s 6-5 4-6 ? 40 � 22 10-15 30+ 0-5 '2-3 0-1 9 5 10-24 115 3-4 8 � o; ��) v;�� ((��
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S3 bc (19} � z 0 26 15-35 55 � 61 'z 0 z 140 45-50 0-7 52+ ISO I 34c 150 lSI
S 3 a (20) z rn � cs m 121 50 32 95 I 59 z z 100 ISO 261 Late and Middle
m X ., 120+ 100 X ., 100 0 z 0 z ----w- > c
Hettangian
s 2 (21} � 0 100 45 46 35-60 48 45 3 rn - r --J ----::\5 Early
Vl 109 � ., ., X r.-. Hettangian
s 1 � 0 rn 15 10 10 9+ 6 10 10 4-11 30 JO ? 0-6 0 "' c Vl 17 c 12 ]8 ?
so � ? 8 12-27 19 19 15+ 10 ? JO? 12-15 10 0-15 0-10 48 0 m c -----:30 20
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�-:·.: . :· · :I (22) Sandstones, Conglomerates � (23) Basinal marls 1m (24) Main gaps I @ I (2 5
Fig. 20. Simplified thicknesses-chart of Rhaetian-Jurassic sequences selected in the study- rea (Ardeche and
Values are given in metres. Data come from both measured sections and boreholes, sometimes supplemented by map
several areas, variations are very rapid especially in the pre-Callovian terranes. The range of the thickness
extreme values. Estimations are indicated by question-marks (?). Values in brackets are given from nearby sec
for the Callovian and the late Jurassic, around the town for the lower part; 2 = outcrops near Auriolles and w
terranes above the Upper Sandy-Calcareous Series (S5 and S6); 4 = along the Luol transverse lineament (TL); 5
for the late Jurassic; 6 = outcrops and wells; 7 = located at the toe of the Orcieres transverse lineament (TO
along the Courry-Saint Bres escarpment (IV); 10 = west of the Courry-Saint Bres escarpment; 11 = east (
interpretation of wells drilled during the early sixties; 13 = Calcaires du Pouzin and Couches de Joyeuse Form
lenticular beds along the border; 16 = Terres Noires; 17 = Callovian Triad; 18 = lower part of the Marly-C
Garenne, Chateau d'Aubenas and Bose Formation; 20 = upper member of the Nodular Series; 21 = Complexe Ca
facies of the Vaumalle Fm; 23 = basinal marly facies, Domerian-Aalenian and late Callovian-early Oxfordian on