Lingos Formation (TXQli;0)

State	Texas
Name	Lingos Formation
Geologic age	Phanerozoic \| Cenozoic \| Quaternary \| Pleistocene-Middle(?) Pleistocene-Late(?) Holocene
Original map label	Qli
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.
Primary rock type	sand
Secondary rock type	gravel
Other rock types	clay or mud; silt
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)
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	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.
Geographic coverage	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