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Simsboro Formation

Simsboro Formation
StateTexas
NameSimsboro Formation
Geologic agePhanerozoic | Cenozoic | Tertiary | Paleocene
Original map labelPAs
CommentsMostly sand, some mudstone, clay, and mudstone conglomerate. thickness as much as 300 ft.
Primary rock typesand
Secondary rock typemudstone
Other rock types
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sand (Bed)
Minor
Sedimentary > Clastic > Mudstone > Claystone (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, 1974, Austin Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.
Geographic coverageBastrop - Falls - Freestone - Lee - Limestone - Milam - Robertson - Williamson

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