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Etholen Conglomerate

Etholen Conglomerate
StateTexas
NameEtholen Conglomerate
Geologic agePhanerozoic | Mesozoic | Cretaceous-Early
Original map labelKet
CommentsMostly conglomerate of gray to blk well-rounded limestone clasts as much as 18 inches across and chert fragments as large as 6 inches in gray and white ls and sparry calcite matrix. some thin beds of sandy shale, sandstone, and ls. Thickness 700 ft+-.
Primary rock typeconglomerate
Secondary rock typeshale
Other rock typeslimestone
Lithologic constituents
Major
Sedimentary > Clastic > Conglomerate (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mudstone > Shale > Black-shale (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, 1968, Van Horn-El Paso Sheet, Geologic Atlas of Texas: Bureau of Economic Geology, The University of Texas at Austin, scale 1:250,000.
Geographic coverageHudspeth

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=TXKet;0
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