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Geologic Units: Mammoth
Map showing publication footprint
  • Usage in publication:
    • Mammoth event*
  • Modifications:
    • Named
  • AAPG geologic province:
    • Cosmopolitan
Publication:

Cox, Allan, Doell, R.R., and Dalrymple, G.B., 1964, Reversals of the Earth's magnetic field: Science, v. 144, no. 3626, p. 1537-1543.


Summary:

Named as a cosmopolitan reversed polarity event within Gauss normal epoch (new). Derivation of name not discussed. Mammoth was a short term event, though not well documented, represented in volcanic rocks dated at 3.0 m.y.

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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