Lueders Formation (TXPlu;0)

State	Texas
Name	Lueders Formation
Geologic age	Phanerozoic \| Paleozoic \| Permian [Leonard]
Original map label	Plu
Comments	Shale and limestone interbedded; mostly shale in units 1 to 10 ft thick. Tan, gray, olive-green, incr. reddish and massive northward, locally silty and calcareous. Limestone brown, gray, fine to coarse grained, thick to planar and nodular bedded in units 1-5 ft thick, locally sandy, bioclastic. Thickness of unit 50-70 ft. Unit thins northward
Primary rock type	shale
Secondary rock type	limestone
Other rock types
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale (Bed) Minor Sedimentary > Carbonate > Limestone (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, 1987, Wichita Falls-Lawton Sheet, Geologic Atlas of Texas: University of Texas at Austin, Bureau of Economic Geology, scale 1:250,000.
Geographic coverage	Baylor - Callahan - Coleman - Concho - Haskell - Jones - Runnels - Shackelford - Taylor - Throckmorton - Wilbarger