Double Lakes Formation (TXQdl;0)

State	Texas
Name	Double Lakes Formation
Geologic age	Phanerozoic \| Cenozoic \| Quaternary \| Pleistocene [Early Wisconsinan]
Original map label	Qdl
Comments	Interbedded fluvial sand and gravel
Primary rock type	sand
Secondary rock type	gravel
Other rock types
Lithologic constituents	Major Unconsolidated > Coarse-detrital > Gravel (Bed) Unconsolidated > Coarse-detrital > Sand (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, 1977, Clovis Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.
Geographic coverage	Bailey - Lamb