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Hanna Formation

HANNA FORMATION--Brown and gray sandstone, shale, conglomerate, and coal; giant quartzite boulders near Medicine Bow Mountains.
StateWyoming
NameHanna Formation
Geologic agePhanerozoic | Cenozoic | Tertiary | Paleocene
Original map labelTha
Primary rock typemedium-grained mixed clastic
Secondary rock typefine-grained mixed clastic
Other rock typesconglomerate; coal
Lithologic constituents
Minor
Sedimentary > Coal
Sedimentary > Clastic > Conglomerate
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone
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.
Geographic coverageAlbany - Carbon

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