← Search

Geology and mineral resources map of the Grassy Mountain Quadrangle, Malheur County, Oregon.

Ferns, Mark L; Ramp, Len (1989) Geology and mineral resources map of the Grassy Mountain Quadrangle, Malheur County, Oregon. Geological Map Series (Portland). 1989.

AuthorsFerns, Mark L; Ramp, Len
Year1989
TitleGeology and mineral resources map of the Grassy Mountain Quadrangle, Malheur County, Oregon.
SourceGeological Map Series (Portland). 1989.
PublisherOregon Department of Geology and Mineral Industries. Portland, OR, United States. Pages: 2 sheets. 1989.
Document typeMap; Serial; Report
ISSN0270-952X
GeoRef1990-034769
Keywordsareal-geology; economic-geology; geochemistry-; geologic-maps; Grassy-Mountain-Quadrangle; Malheur-County-Oregon; maps-; mineral-resources; Oregon-; surveys-; trace-elements; United-States

6 samples from this reference

SampleRock nameMajorTraceIsotope
916Basalt yesyes
920Rhyolite yesyes
924Basalt yesyes
932Andesite yesyes
933Basalt yesyes
935Basalt yesyes