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  • Usage in publication:
    • Bradbury Creek Granodiorite
  • Modifications:
    • Named
  • Dominant lithology:
    • Granodiorite
  • AAPG geologic province:
    • Sioux uplift
Publication:

Morey, G.B., 1978, Lower and middle Precambrian stratigraphic nomenclature for east-central Minnesota: Minnesota Geological Survey Report of Investigations, no. 21, 52 p.


Summary:

Bradbury Creek Granodiorite here described as an elliptical pluton 11 km long and 6 km wide in Mille Lacs Co., MN. Consists of gray to black, fine- to medium-grained plagioclase-quartz-K-feldspar-hornblende granodiorite. Intrudes Hillman Migmatite. Age is middle Precambrian.

Source: GNU records (USGS DDS-6; Reston 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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