← Search

Age of Imnaha Basalt; oldest basalt flows of the Columbia River BasaltGroup, northwest United States

McKee, Edwin H; Hooper, Peter R; Kleck, Wallace D (1981) Age of Imnaha Basalt; oldest basalt flows of the Columbia River BasaltGroup, northwest United States. Isochron/West, no.31, pp.31-33, Aug 1981

AuthorsMcKee, Edwin H; Hooper, Peter R; Kleck, Wallace D
Year1981
TitleAge of Imnaha Basalt; oldest basalt flows of the Columbia River BasaltGroup, northwest United States
SourceIsochron/West, no.31, pp.31-33, Aug 1981
ISSN0099-6882
GeoRef1982-010034
Keywordsabsolute age; basalts; Cenozoic; Columbia River Basalt Group; dates;geochronology; Idaho; Idaho County Idaho; igneous rocks; ImnahaBasalt; K/Ar; lithostratigraphy; Miocene; Neogene; northwestern U.S.;Oregon; Tertiary; United States; volcanic rocks; Wallowa CountyOregon; Washington
Notes17-16.5 m.y.

4 samples from this reference

SampleRock nameMajorTraceIsotope
DB-12Basalt
DB-15Basalt
DB-19Basalt
DB-23Basalt