Named for the Satanka railroad station, Albany Co, WY in the Greater Green River basin. No type locality designated. Consists of about 200 to 232 ft of red shale that overlies the newly named Casper formation and underlies the newly named Forelle limestone. Section measured 8 mi south of Laramie where the Satanka is 232 ft thick. [Age not clearly stated, but is Permian age by inference.]
Source: GNU records (USGS DDS-6; Denver GNULEX).
Satanka Shale (of Leonardian and Wordian age) used in south-central Wyoming and North Park, CO. Name Owl Canyon Formation (adopted by the USGS) replaces use of Satanka in northeast CO. Satanka overlies Casper Formation and underlies Forelle Limestone Member of Goose Egg Formation. Upper part of Satanka is equivalent to Glendo Shale Member of Goose Egg Formation.
Source: GNU records (USGS DDS-6; Denver GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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