USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Mineral Resources > Online Spatial Data > Geology > by state > Texas

Dakota Formation

Dakota Formation
StateTexas
NameDakota Formation
Geologic agePhanerozoic | Mesozoic | Cretaceous-Early Cretaceous-Late
Original map labelKda
Commentssandstone, brownish-yell., shale, gray, with coal beds, sandstone, quartzitic, ferruginous, pink, gray, white, black, brown-yell. Thickness about 200-350 ft. mapped only in very small areas in Dallum Co. (extreme NW corner of Texas Panhandle)
Primary rock typesandstone
Secondary rock typeshale
Other rock typescoal
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Incidental
Sedimentary > Coal > Sub-bituminous (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, 1984, Dalhart Sheet, Geologic Atlas of Texas: University of Texas at Austin, Bureau of Economic Geology, scale 1:250,000.
Geographic coverageDallam

Show this information as [XML]

AccessibilityFOIAPrivacyPolicies and Notices

Take Pride in America logoUSA.gov logoU.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=TXKda;0
Page Contact Information: Peter Schweitzer