Preliminary surficial geology map of the Cheyenne urban area, Laramie County, Wyoming
M.E. Cooley
Abstract
Open-access reader
M.E. Cooley
Abstract
Open-access reader
The geologic map of the Cheyenne Urban Area shows the following elements: (1) artificial fill at miscellaneous sites; (2) artificial fill in areas of large residential developments constructed since 1945; (3) artificial fill in areas of extensive construction activity; (4) undifferentiated alluvium (holocene); (5) terrace alluvium (holocene); (6) alluvial fan deposits (holocene); (7) slope deposits (holocene and pleistocene); (8) tan sandy alluvium (pleistocene); (9) pediment deposits (pleistocene); (10) deposits of terrace Qt1 (pleistocene); (11) deposits of terraces Qt1A, Qt1B, Qt1C (pleistocene); (12) Deposits of Qt2 (pleistocene); (13) Deposits of terrace Qt3 (pleistocene); (14) brown gravelly deposits (pleistocene); and (15) Ogallalla formation (miocene). (Lantz-PTT)
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The geologic map of the Cheyenne Urban Area shows the following elements: (1) artificial fill at miscellaneous sites; (2) artificial fill in areas of large residential developments constructed since 1945; (3) artificial fill in areas of extensive construction activity; (4) undifferentiated alluvium (holocene); (5) terrace alluvium (holocene); (6) alluvial fan deposits (holocene); (7) slope deposits (holocene and pleistocene); (8) tan sandy alluvium (pleistocene); (9) pediment deposits (pleistocene); (10) deposits of terrace Qt1 (pleistocene); (11) deposits of terraces Qt1A, Qt1B, Qt1C (pleistocene); (12) Deposits of Qt2 (pleistocene); (13) Deposits of terrace Qt3 (pleistocene); (14) brown gravelly deposits (pleistocene); and (15) Ogallalla formation (miocene). (Lantz-PTT)
Key concepts: Pleistocene, Terrace (agriculture), Alluvium, Geology, Holocene, Quaternary, Alluvial fan, Geomorphology