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Map showing publication footprint
  • Usage in publication:
    • Whitneyan age
  • Modifications:
    • Original reference
  • AAPG geologic province:
    • Chadron arch
Publication:

Wood, H.E., II, Chaney, R.W., and and others, 1941, Nomenclature and correlation of the North American continental Tertiary: Geological Society of America Bulletin, v. 52, no. 1, 48 p.


Summary:

Pg. 11, pl. 1. Whitneyan age. Provincial time term, based on Whitney member of Brule formation, type locality, Whitney, northwestern Nebraska. Includes old term, "PROTOCERAS-LEPTAUCHENIA beds," used in the most extended sense. Covers interval between the Orellan (Oligocene) and Arikareean (Miocene) ages. [In upper part of Oligocene; = PROTOCERAS faunal zone.] Report defines 18 provincial time terms, based on mammal-bearing units, for the North American continental Tertiary. [For sequence see under Puercan.]

Source: US geologic names lexicon (USGS Bull. 1200, p. 4220).


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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