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Mineral Resources On-Line Spatial Data

Aspen Shale

ASPEN SHALE--Light- to dark-gray siliceous tuffaceous shale and siltstone, thin bentonite beds, and quartzitic sandstone.
StateWyoming
NameAspen Shale
Geologic agePhanerozoic | Mesozoic | Cretaceous-Early
Original map labelKa
Primary rock typemudstone
Secondary rock typemixed clastic/volcanic
Other rock typessandstone
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Siltstone
Minor
Sedimentary > Clastic > Mudstone > Claystone > Bentonite
Sedimentary > Clastic > Sandstone
Incidental
Igneous > Volcanic (Pyroclastic, tuff)
Map references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.
Unit references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.
CountiesLincoln - Sublette - Teton - Uinta

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