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Wilke Ranch Formation

Wilke Ranch Formation
State Texas
Name Wilke Ranch Formation
Geologic age Phanerozoic | Paleozoic | Permian [Leonard]
Comments in Finlay Mtns marlstone, limestone, limestone-pebble conglomerate, moslty marlstone, in part silty, well indurated, thin bedded and laminated, crossbedded locally, weathers light gray; ls in part dolomitic, cherty in upper part, med to thick bedded, dk gray, lg scale cross bedding; limest-pebble conglo distributed throughout. thickness 1650+ ft. Northern Diablo Plateau mostly lt-colored ls and dolo. equi to Victorio Peak and Bone Spring Limestones, includes some beds equal to Hueco Ls.
Primary rock type mudstone
Secondary rock type limestone
Other rock types conglomerate; chert
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Map references
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
Unit references
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.
Counties Hudspeth