| State | Texas |
|---|---|
| Name | Rita Blanca Formation |
| Geologic age | Pliocene |
| Lithologic constituents |
Major
Unconsolidated > Fine-detrital > Clay (Bed)
Unconsolidated > Coarse-detrital > Sand (Bed)
Incidental
Sedimentary > Carbonate > Dolostone (Bed)
|
| Comments | Southeastern Hartley Co., TX panhandle on Tucumcari Sheet (1983). Upper part: sand, bentonitic clay, thin-bedded calcareous sandstone; thickness 50 ft or mroe. Lower part dark, distinctly laminated clay, some interbeds of sand and thin uniform layers of non-marine dolomite; fossils include plants and small fish; thickness 30 ft or more. |
| References | Bureau of Economic Geology, 1983, Tucumcari Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, 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. |
| NGMDB product | |
| Counties | Hartley - Oldham |