|Geologic age||Early Cretaceous|
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mixed-clastic (Bed)
Sedimentary > Carbonate > Marlstone (Bed)
|Comments||named for Campagrande Draw in Finlay Mtns, Hudspeth Co., TX in Permian Basin. Basal Cret. calcar rocks lie unconformably on Pennsylvanian Hueco Fm. Limestone, marl, conglomerate, sandstone, siltstone, and shale. 25 ft of ls conglo at base overlain by 350 ft of gray ls, generally massive, but local thin beds of ls grading into shale.|
Bureau of Economic Geology, 1968, Van Horn-El Paso Sheet, Geologic Atlas of Texas: Bureau of Economic Geology, The University of Texas at Austin, scale 1:250,000.
Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000.