State | Texas |
---|---|
Name | Lingos Formation |
Geologic age | Middle (?) Pleistocene to Recent |
Lithologic constituents |
Major
Unconsolidated > Coarse-detrital > Sand (Alluvial)
Minor
Unconsolidated > Fine-detrital > Clay (Lacustrine)
Unconsolidated > Coarse-detrital > Gravel (Alluvial)
Incidental
Unconsolidated > Fine-detrital > Silt (Eolian)
|
Comments | Type area Palo Duro basin, Quitaque, Briscoe Co., TX. (Caran and Baumgardner, 1990). 1) lower part--is 3-40 m thick sand and gravel with clasts of Ogallala calcrete deposited in channels of broad alluvial-fan system; 2) middel part 1-12 m thick clay, organic rich, contains gastropods, bivalves, ostracodes of lake origin; 3) upper part 3-30 m thick eolian and fluvial sand, sandy silt and paleosols locally. Rancholabrean fauna in coarse lower part is less than 300 ka. Age spans 300 ka to present. Lower part approx. equiv. to Good Creek Fm. |
Stratigraphic units | formation in Paducah Group (new) |
References | Caran, S.C., and Baumgardner, R.W., Jr., 1990, Quaternary stratigraphy and paleoenvironments of the Texas Rolling Plains: Geological Society of America Bulletin, v. 102, p. 768-785.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 | Armstrong - Borden - Briscoe - Childress - Coke - Collingsworth - Cottle - Crosby - Dickens - Donley - Eastland - Fisher - Floyd - Garza - Hall - Howard - Irion - Kent - King - Mitchell - Motley - Nolan - Runnels - Scurry - Sterling - Stonewall - Tom Green |