Page 252 - Carbonate Platforms Facies, Sequences, and Evolution
P. 252

Table 1.
                                                            9
                                                                                                                     Locality
                anticline
                                                                                Coahuila
                                                        Zacatecas
                                                                                        Carrizalillo
                                        Tamaulipas
                                  Tamaulipas
                                   C.  Victoria,
                                          11 Miquihuana,
                                                                    8  Catorce, SLP
                  Huayacocotla
                                                                                                       Aldama, Chih.
              14  Zacatecas City
                                                                                                                & Janos, Chih.
                                                                                  Acatita Valley,
                                                          Apizolaya area,
                                                                                                    4  Sierra de Mojina
                                                                                                        3  Sierra de Cuervo
                                                                                          5  Minas Plomosas­
                                     12  Perigrina Canyon
                                                                                                             2  Samalayuca, Chih.
                                                            Caopas-Rodeo or
                                                                          7  Sta. Maria del Oro
                                                                                    6  Las Delicias-Penn.
                                                10 Aramberi, N.  Leon.
                    13  Huiznopala, Hidalgo
                                                                                                                 1  Nuevo Casas Grandes
                       Rb/Sr
                                                              spores
                                                                                                                               Mesozoic
                                                                             (?) granite
                                                                                                                 Leonardian flysch
                                                                                                           terrigenous clastics
                                                   fusulinids (in situ?)
                                            270-290Ma  (K/Ar)
                                                                                             (231-266Ma,  K/Ar)
                                                                                                                               carbonate
                                                                      Mississippian  (326  Ma)
                                          Talcose sericite schists
                                                                          Pescadito schist whose
                          schist.  Dates: 262-271
                                                                                                                          Areas of folded late Palaeozoic strata in northern Mexico
                                Permian flysch sequence.
                                                                                                    Reworked boulders from
                                                                        metamorphism is dated as
                                   and shelf-upper slope Mid
                                                                                                             Metamorphosed Palaeozoic
                          Ma,
            quartzite, limestone breccia
                                  Palaeozoic carbonate, Penn
                                                                                                  nearby uplift contain Middle
                                                                                               and Permian metasediments.
                                                                                                                     metamorphosed strata
                                                            Very thick,  metasedimentary
                                                                                                                       Underlying folded and
                  thick (2000  m) of Guacamaya
                                                                                    Complete Penn. and Permian
                                                Granjeno-type schists & some
                                                      area is the Taray Fm. a cherty
                                              gneiss (Novillo?) Schists dated
                         294-315Ma, (K/Ar), 315Ma,
                                                                    Varied metasediments, schists,
                                                                                          Lower Permian and Leonardian
                                                                                                       with Precambrian tectonic slices
                                                    argillilte & quartzite.  Has Penn.
              Panuco Fm.  Sericite schists with
                    Pre-Cambrian gneiss overlain by
                                                                                  section.  Youngest Permian in N.
                                                                                                Permian rhyolite  (246  Ma Rb/Sr)
                Wolfcampian-Leonardian flysch
                            Permian Pennsylvanian Granjeno
                                     Precambrian gneiss (Novillo Fm.)
                                                                                                        Early Permian-Leonardian flysch
                                                                              olistoliths intruded by late Triassic
                              Overthrust (?) by metamorphozed
                                                                Mississippian-early Pennsylvanian
                                                                                America. Volcaniclastic flysch with
                                  -lower
                                                                  sandstones, ophiolite (?) Some late
                                                                                       Carrizalillo has tightly folded strata
                                                        metamorphosed Nazas.  In a nearby
                                                                                        flysch with Leonardian age rhyolite.
                                                          sequence, and metavolcanics. Maybe
                                                                                                                               facies,  Mexico
                                                                      contact)
          contact?
                                                                                        Formation
                                                                                                             Late Jurassic
                                   (late Triassic)
                                        (late Triassic)
                    Late Triassic?
                                                      Oxfordian age
                                                                                                Conglomerate'
                                                                                    Early to middle
                                                                          Liassic dated on
                                                                                                        Early Cretaceous
                                                          volcanoclastics of
                                              Formations. Late
                                                                                                                 Tertiary volcanics
                marine sediments
            schists.  Structural
                                                            Nazas redbeds and
                                                                                                  Cretaceous 'Glance
                                                Huizachal or Nazas
                                                                                                                     Overlying strata
                                                                        palynomorphs (fault
                                                        probable Callovian­
              Late Triassic marine
                                                                                  Cretaceous limestone
                                     Huizachal Formation
                                            Triassic-mid-Jurassic
                  Huizachal and Liassic
                                                                                          Late Jurassic LaCasita
                                                                                                    From boulders in basal
                                          Huizachal or Nazas Fm
                                                                                                                               237
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