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Geology and gold deposits map of the Granite Quadrangle, Grant County, Oregon.

Brooks, H C; Ferns, M L; Mullen, E D (1982) Geology and gold deposits map of the Granite Quadrangle, Grant County, Oregon. Geological Map Series (Portland). 25; 1982.

AuthorsBrooks, H C; Ferns, M L; Mullen, E D
Year1982
TitleGeology and gold deposits map of the Granite Quadrangle, Grant County, Oregon.
SourceGeological Map Series (Portland). 25; 1982.
PublisherOregon Department of Geology and Mineral Industries. Portland, OR, United States. Pages: 1 sheet. 1982.
Document typeMap; Serial
ISSN0270-952X
GeoRef1983-057467
Keywordseconomic-geology; economic-geology-maps; gold-ores; Granite-Quadrangle; Grant-County-Oregon; maps-; metal-ores; Oregon-; United-States

14 samples from this reference

SampleRock nameMajorTraceIsotope
710 yes
711Greenstone yes
712Greenstone yes
713Greenstone yes
714Greenstone yes
716Basalt yes
718Basalt yes
720Basalt yes
721Rhyodacite yes
723Basalt yes
724Rhyodacite yes
726Basalt yes
727Basalt yes
731Dacite yes