Page 263 - Carbonate Platforms Facies, Sequences, and Evolution
P. 263
5
by
&
The
with
oped
Vera
1960s
south
Valles
Figs 9
The
6;
Golden
in
of
&
Cruz
Tamaulipas
Gulfward
Jurassic
deltaic
1981, 1982).
the
Pialli, 1977).
10;
Andres fields.
Carrillo-Bravo
Coahuila
platform
State
Lower Cretaceous
arches.
positive
Cupido-Sligo
and
block
PLATFORM
the Coahuila
(1971)
Lane-Tuxpan
BASEMENT
sediments
The
Figs 7 & 8 of this paper).
on
Conklin &
subsidence
CRETACEOUS
the development of oolite.
shelf
and
block
blocks
the
block,
controls
(Refer to figs 4 &
derived
Gonzales-Garcia, 1969).
of
(Tavitas-Galvan
Sabinas
the
Moore,
5,
margin
lowered
high
&
the
anhydrite, the La Virgen Formation.
Cupido-Sligo Reef which surrounds
CONTROL
the
from
A major oil discovery,
reef
southern
cuts
1977;
is
Constituciones-Tamaulipas
the
the
OF
trend
Lopez-Ramos
CARBONATE
end
DEVELOPMENT
Mesozoic
and
of
of
it but to
across
Basin interior
topography
cause of the calcarenitic San Andres reservoir devel
contains reservoir rock consisting of richly fossilifer
These strata have been studied in some detail be
Lampazos
Barremian time the basin was filled with gypsum
is
Basin as illustrated by Pedrazini & Basafiez, 1978).
in the Arenque block offshore of Tampico,
Solano-Maya,
study by Enos (1983) and earlier work reported by
San
Enos, 1983 and
the
(1972,
Wilson &
the Kimmeridgian San Andres Formation (see Figs
particularly reflected in oolite developed in banks of
area, part of which furnished arkosic sand as well as
ous Kimmeridgian limestone developed over a high
Such high-energy
made in the
This discussion draws heavily on a palaeogeographic
1984) and on subsidiary ridges in the Chicontepec
sediments also occur at the southeastern edge of the
northeast edge of the Coahuila block. Later, during
mouth of the Sabinas Basin apparently not influenced
to
the
northward many kilometres by Laramide folding to
form a 'dog leg' in the Sierra Madre Oriental (see
the west continued to subside once the shelf margin
Tamaulipas-Lampazos arch; from the beginning of
Cretaceous time it was no longer a high area. The
Jurassic
was established. It was filled early in the Cretaceous
elevated
displaced
the
the
carbonate
areas.
played
a
complex.
Cretaceous
sedimentary
role
. .
facies, Mexico
time.
in
strata.
.
d .
The
This
wearing
effect
down
of
erosion
the
the
may
§I§ Arenque
0
arch
arch
XPAN
eastern side of the Tamaulipas-Lampazos
f
�Basement
Qolvido Fm.
is
areas with cores of Triassic redbeds (Huizachal) or
Q Taman Fm.
also
in
Ed Zuloaga Fm.
m :�t"� a �l:s�ics
c=J Huizachal Fm.
to Tuxpan-Golden Lane platform. From Sansores &
�San Andres Fm.
Fig. 5. Pre-late Jurassic sub-crop map with superposed
The basinal Taman Formation occurs off the palaeohigh
'basement rocks' surrounded by Kimmeridgian-restricted
marine sediments (Olvido) and grainstone (San Andres).
facies of Oxfordian-Kimmeridgian strata in the northern
limestone
underlain by relatively non-resistant schistose meta
� Huayacocotla Fm.
Pefia shale which marks the top of the Lower Cre
Girard (1969, fig. 5). Shows numerous 'islands' or positive
247
arch is
seen,
district of Petroleos Mexicanos, southern Tamaulipas arch
poorly known because of sparse control. Pre-reefal
have
early
however, in a slight thinning of the late Aptian La
The Valles platform of early Cretaceous time is
taceous and buries the Cupido-Taraises carbonate