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  • Usage in publication:
    • Hooper Canyon Formation*
  • Modifications:
    • Named
  • Dominant lithology:
    • Alluvium
  • AAPG geologic province:
    • Wasatch uplift
Publication:

Van Horn, Richard, 1981, Geologic map of pre-Quaternary rocks of the Salt Lake North quad, Davis and Salt Lake Counties, Utah: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1330, 1 sheet, scale 1:24,000


Summary:

Named for exposures in headwaters of Hooper Canyon 1.5 km east of quad, the type locality in Wasatch uplift. Best exposure is in excavation for a pipeline in center sec 20, T1N, R1E, Fort Douglas quad. Is composed of brown-gray, subround to subangular pebbles and cobbles in sandy and silty matrix. Is poorly consolidated. May be as much as 15 m thick. Is thought to have been deposited in late Tertiary time by west-flowing streams. Overlies an upper Tertiary conglomerate. Is younger than Tertiary conglomerate No. 2. Assigned a late Tertiary age.

Source: GNU records (USGS DDS-6; Denver GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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