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Geologic Unit: Hames
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  • Usage in publication:
    • Hames Member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Mudstone
    • Chert
    • Dolomite
  • AAPG geologic province:
    • California Coast Ranges province
Publication:

Durham, D.L., 1974, Geology of the southern Salinas Valley area, California: U.S. Geological Survey Professional Paper, 819, 111 p., (incl. geologic map, scale 1:125,000) [http://ngmdb.usgs.gov/Prodesc/proddesc_259.htm]


Summary:

Unit is named the Hames Member of the Monterey Formation. Consists of siliceous mudstone, porcelanite, chert, and dolomite. Thickness is 2134 m. Conformably overlies the Sandholdt Member of the Monterey; underlies and intertongues with the Buttle Member of the Monterey, Santa Margarita Formation, or Pancho Rico Formation. Age is Miocene. (B1520)

Source: GNU records (USGS DDS-6; Menlo 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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