Page 143 - Carbonate Platforms Facies, Sequences, and Evolution

+
base.
+
+
+
The
Bordezac, TO
+
depth
······.
can
f
be
+
TANA RG UE
100 m for the deepest zones.
0
+
5
tentatively
longitudinal lineaments (SSW-NNE): I=
lineaments, 6 = traces of the palinspastic profiles.
estimated
Saint Privat -La Conchy, VI= Escrinet-Charray, VII
La Rousse, II
10km
transverse lineaments (WSW-ENE): TE = Escrinet, TV
as
ceiving hemipelagic sedimentation well below wave
In Ardeche, in areas protected by swells related to
+
= Pai"olive, III
+-
+
= Orcieres, TU = Vinezac-Uzer-Vallon Pont d'Arc, TL =
umbilic
Char ray
Late Triassic and Jurassic platf orms,
= Privas-Coux, VIII
=
France
�
0
(mottled limestones).
1 = wells, 2 = escarpments (pre-Gracilis Zone), 3 = Variscan lineaments, 4 = Cevenol
Flaviac, IX
= Uzer-Aubenas, IV
"'Valvignieres
Luol, TA = Escrinet-Arenier.
Small patch-reefs
¢
�
;;:::
lineaments, 5 = Velay
,,,
�
I
. ... ·-·- ·
= Le Pouzin. 'Variscan'
5
4
2
6
3
= La Voulte. 'Velay' transverse lineaments (NW-SE): TB =
tilt-block edges, the general transgression was fol­
= Couray-Saint Bres, V =
Fig. 21. Palaeostructural map of the Vivarais-Cevennes during the Jurassic (mainly early and middle Jurassic). 'Cevenol'
along the outer border but tectonic instability and an
131
developed
lowed by the differentiation of a protected platform