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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Robertson formation
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Snake River basin
Publication:

Dickinson, W.R., 1960, Geology of the Izee area, Grant County, Oregon: Dissertation Abstracts, v. 20, no. 11, p. 4367., PhD thesis, Stanford Univ., CA, 1958


Summary:

Lower Jurassic sequence in Izee area, Grant County, central Oregon, includes Robertson, [Suplee], Nicely, and Hyde formations. Uppermost unit in Triassic sequence is Graylock formation (new).

Source: US geologic names lexicon (USGS Bull. 1200, p. 3297).


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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