Page 125 - Carbonate Platforms Facies, Sequences, and Evolution

is
114
thick
monly
calcerous
[
marls
stromatolites,
complete,
Zoophycos, 14 =
missing
and
upward.
Bathonian to the west.
along
The
Bourseau & Elmi, 1981).
the
bituminous
micaceous
no d uleux cendres' Formation), Do
black
change
occurs sharply across some faults
clays,
Stratigraphical abbreviations: FEU =
outcrop
from
paper
band.
the
becoming
EBt = early Bathonian, MEt = middle Bathonian,.
shales
When
( =
The SS sequence is highly variable, thin and com­
(de Brun, 1926;
more
coarse
Vaumalle Formation to the basinal marls and clays
it
S.
10 = giant mud-cracks filled by sandstones, 11
Elmi
with
cherts, 15 = sponge-spicules, 16 (and circled letters) =
the
Poillere
('�
8
Formation), EH = early Hettangian (CCB = Complexe Carbonate de Base -CNC =
exception
�-<(
Naves
of
1> «'
zose bioclastic limestone
-'VQ
the
Carnian-Norian? (Ucel Variegated Formation), Rh =
v «'
and by a widespread hardground.
0
9 les Assions
'Schistes
= Domerian, (L)Aal = (Lower) Aalenian, EBj = early Bajocian, LBj =
S1!" Appolonie
Les Vans
*
9
J....
lo
lain by black nodular limestones, passing
*10
synsedimentary faults (see also Fig. 9).
@
carton'.
= Isocrinus coquinas, 12 = bioclastic limestones, 13 =
ESE
6 = nodular limestones, 7 = oolitic limestones, 8 = ferruginous beds and breccias (commonly oolitic or oncolitic), 9 =
Lower Member of the 'Calcaires
Rouviere 10
5km
late Bajocian,
Facies: 1 = channelized sandstones, 2 = clays and siltstones, 3 = dolomites, 4 = quart·.itic limestones, 5 = limestones,
Paiolive (FP) Faults. The top of the profiles is drawn below the appearance of the marls: early Callovian east of Bose, late
oolitic iron ore. The upper part consists of a quart­
Fig. 4. Profiles along the northern branch of the Orcieres Fault and across the Eynesses (FE, FE'), Folcheran (FF, FF') and
Rhaetian (Croix Blanche
'Schistes-carton') occur at the base. They are over­
laterally
and vertically to oolitic phosphatic limestones and to
The
abundant and associated with a rich benthic fauna
capped by local breccias
Ammonites are
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Dl:i1o5B2
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16�8
15�7
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