Page 89 - Carbonate Platforms Facies, Sequences, and Evolution

the
slip
been
The
moved
BAIX
Calvet,
1988b).
Catalan
Benifall
Pau
faults,
Triassic
1985;
divided
Triassic
Coastal
DOMAIN
sinistrally
of the clastic facies.
trending
into
rocks
with
sequence
Ebre
the Neogene extension,
Vilella
Range
in
R
in
'-----
three
the
and
the
NW -SE,
in
also
Catalan
some
Catalan
local transpression.
occur
cases
Range
Basin
in
as
reactivated as normal faults. Another set of strike­
domains on the basis of regional variations in thick­
northeast, Prades in the central part, and Baix Ebre­
(Guimera, 1984, 1988a, 1988b; Anadon et al., 1985).
displace the NE-SW faults (Guimera, 1984, 1988a,
for the Muschelkalk are the Gaia-Montseny in the
During the Alpine compressive phase, these faults
ness, facies and stratigraphy (Marzo, 1980; Marzo &
During
the
some of these faults were
tectono-sedimentary
have
the strong tectonic control on deposition, particularly
Salvany & Orti, 1987). The domains
whole is very variable, from 500 to > 800 m, through
these
a
Priorat in the southwest (Fig. 2). The thickness of
5
1
4
3
2
6
unit,
thick.
stones
Imon
Figure
and
4
GAIA-MONTSENY
70-120 m thick.
rare
northern Europe.
I
Formation.
Middle Triassic carbonate ramp systems, Spain
Fig. 2. Geological map of the Catalan Mountain Range. Adapted from Salvany (1986).
stratigraphically
Upper Muschelkalk.
summarizes
DOMAIN
shales, 100- 140 m thick.
25m
evaporites,
the
Mostly
; I TRIASSIC
D TERTIARY
equivalent
main
IHB PALEOZOIC
to
El Brull
dolomites,
the
60-310m thick.
Rot
tial features of the Triassic in the Catalan Basin.
evaporites, and rarely volcanics, 50-130 m thick.
Buntsandstein. Conglomerates, sandstones, mud­
ITIJ JURASSIC-CRETACEOUS
chronostratigraphical, palaeontological and sequen­
81
& Calvet, 1985) which from the base to the top are:
stratigraphical,
40-70 m
Limestones, dolomites and
of
Lower Muschelkalk. Limestones and dolomites,
volcaniclastic sediments and lavas, 50-150m thick.
upper part is a distinctive lutite-carbonate-evaporite
into six lithostratigraphic units (Virgili, 1958; Marzo
The Triassic in the Catalan Range has been divided
Middle Muschelkalk. Sandstones, mudstones and
Keuper. Evaporites, marls, carbonates and locally
The