The Anacacho Limestone is a unit of limestone of Cretaceous (Campanian) age in Texas.
Description
The Anacacho Limestone is composed predominantly of limestone (wackestone, packstone, and grainstone).Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
Geographic Extent
Outcrops of the Anacacho Limestone are present in Kinney, Uvalde, Medina, and Bexar Counties of Texas.Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
Stratigraphic Setting
The Anacacho Limestone overlies the Upson Clay, and is overlain by the Corsicana Marl.Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
Age
The Anacacho Limestone is of Cretaceous (Campanian) age.Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
Interpretation of Depositional Environment
Most of the Anacacho Limestone is interpreted as having accumulated in relatively shallow (<50 m depth) marine water.Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
See also
List of fossiliferous stratigraphic units in Texas Paleontology in Texas
References