Title | Gypsum in Cutler Group (Permian), at Comb Wash, southeastern Utah |
Description | The Cutler Group is a highly variable group of Permain formations, generally appearing as irregular layers of dark red, lumpy sandstones, mudstones and conglomerates. At places such as Monument Valley, Cutler Group rocks are major cliff formers. Cutler Group sediments were deposited as alluvial fans and rivers from the ancient Uncompaghre Mountains (also called the ancestral Rockies) about 245-286 million years ago. Here we see white gypsum nodules that precipitated within Cutler red beds. |
Chronostratigraphy | Permian |
Lithostratigraphy | Cutler Group |
Geologic province | Uncompaghre Uplift |
Location | USA ▹ Utah ▹ San Juan. Near Bluff. Comb Wash. |
Photographer | Dexter Perkins. 1995. |
Collection | E211102992P-16. |
Key words | gypsum, Cutler Group, Utah |
Tech details | 373 KB. Vista. Canon EOS Rebel, 55mm, Kodak Elite Chrome 100 ASA. |
GeoDIL number | 1767 |
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