Anacacho Limestone

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).

Geographic Extent
Outcrops of the Anacacho Limestone are present in Kinney, Uvalde, Medina, and Bexar Counties of Texas.

Stratigraphic Setting
The Anacacho Limestone overlies the Upson Clay, and is overlain by the Corsicana Marl.

Age
The Anacacho Limestone is of Cretaceous (Campanian) age.

Interpretation of Depositional Environment
Most of the Anacacho Limestone is interpreted as having accumulated in relatively shallow (<50 m depth) marine water.