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Map showing publication footprint
  • Usage in publication:
    • Burntside Gneiss*
  • Modifications:
    • Overview
    • Redescribed
  • Dominant lithology:
    • Gneiss
  • AAPG geologic province:
    • Lake Superior region
Publication:

Southwick, D.L., and Sims, P.K., 1980, The Vermilion Granite Complex; a new name for old rocks in northern Minnesota, IN Shorter contributions to mineralogy and petrology, 1979: U.S. Geological Survey Professional Paper, 1124-A, p. A1-A11.


Summary:

Is part of Vermilion Granitic Complex (revised). Rank term redescribed from granite gneiss (Grout, 1926) to gneiss because of its trondhjemitic composition and apparent metavolcanic origin. Geologic map shows reference locality at east end of Burntside Lake, northern St. Louis Co, northeast MN Lake Superior region. Other good exposures found on islands and along lake shoreline. Is a light-gray gneiss having a moderate or strong cataclastic foliation. Chemical analyses, geologic map, and diagram of lithologic interrelationships given. Is older than or is cut by Lac La Croix Granite (new). Is Late Archean in age.

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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