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  • Usage in publication:
    • Paxson Mountain Basalt
  • Modifications:
    • Named
  • Dominant lithology:
    • Basalt
  • AAPG geologic province:
    • Alaska Southern region
Publication:

Stout, J.H., 1976, Geology of the Eureka Creek area, east-central Alaska Range: Alaska Division of Geological and Geophysical Surveys Geologic Report, no. 46, 32 p.


Summary:

Named for Paxson Mountain. Type locality designated as exposures on Paxson Mountain, Eureka Creek area, Mount Hayes A-4 quad, east-central Alaska Range, AK. Consists of basalt and amygdaloid basalt. Colors vary from olive-gray to dark-green and brown to maroon. Thickness ranges from 1,500 to 3,000 m. Is oldest unit in east-west Amphitheater syncline. Is lower formation of three in Amphitheater Group. Overlies Mankomen Group; underlies Tangle Lakes Formation (new) (Amphitheater Group). Intruded by Fish Lake Complex. Is Triassic age.

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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