|Name||Wilke Ranch Formation|
|Geologic age||Permian; Leonard Series|
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
|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.|
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.