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Filtering by: Subject Vertebrates -- Oregon -- Harney County Committee Member Dilles, John Subject Geology, Stratigraphic -- Miocene

Two-stage opening of the northwestern basin and range in eastern Oregon : evidence from the Miocene Crane basin

Creator:

Milliard, Justin B.

Abstract:

New data are presented that provide evidence for the onset of extensional deformation in the Northwestern Basin and Range within 1 million years after the eruption of the Steens Basalt at 16.5 Ma. New geologic mapping (1:24,000), stratigraphic sections, and ⁴⁰Ar/³⁹Ar dating of the Crane Basin rocks provide a control...

Resource Type:

Masters Thesis

Full Text:

Basin; GF: Grasshopper Flats; HB: Harney Basin; OIG: Oregon‐Idaho Graben]. The white rectangle