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Ankareh Formation, Thaynes Limestone, Woodside Shale, and Dinwoody Formation

ANKAREH FORMATION, THAYNES LIMESTONE, WOODSIDE SHALE, AND DINWOODY FORMATION. ANKAREH FORMATION--Red and maroon shale and purple limestone. THAYNES LIMESTONE--Gray limestone and limy siltstone. WOODSIDE SHALE--Red siltstone and shale. DINWOODY FORMATION--Gray to olive-drab dolomitic siltstone.
State Wyoming
Name Ankareh Formation, Thaynes Limestone, Woodside Shale, and Dinwoody Formation
Geologic age Phanerozoic | Mesozoic | Triassic-Early Triassic-Middle(?) Triassic-Late
Primary rock type mixed clastic/carbonate
Secondary rock type fine-grained mixed clastic
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Carbonate > Limestone
Sedimentary > Clastic > Siltstone
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.
Counties Lincoln - Sublette