- Usage in publication:
-
- Bush Lake Granite*
- Modifications:
-
- Named
- Dominant lithology:
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- Granite
- AAPG geologic province:
-
- Lake Superior region
Summary:
Named as one of three granitoid bodies which compose three respective lobes of the Dunbar dome. The Bush Lake lobe is composed of the Bush Lake Granite. Name derived from Bush Lake in the type area of the lithodeme. Type area in NW1/4 sec 13, T38N, R17E, Florence SE 7 1/2-min quadrangle, Florence Co, WI. Consists of pink or gray, generally massive granite containing scattered phenocrysts of K-feldspar; mortar structure is common. Intrudes the Quinnesec Formation but relation to other units is not definitely known. Assigned to the Early Proterozoic.
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 ([ ]).