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Filtering by: Subject Volcanic eruptions -- Oregon -- Newberry Volcano

The Ore bin ; Vol. 31 No. 4 (April 1969)

Creator:

Oregon. Dept. of Geology and Mineral Industries, Peterson, Norman V., and Groh, Edward A.

Resource Type:

Journal

Full Text:

ERUPTIONS • IN THE NEWBERRY VOLCANO AREA, OREGON By N. V. Peterson* and E. A. Groh** Several episodes of
Deep crustal and mantle inputs to North Sister Volcano, Oregon High Cascade Range

Creator:

Schmidt, Mariek E.

Abstract:

The Central Oregon High Cascade Range is an anomalously mafic segment of the Cascade Arc due to ongoing intra-arc extension, which allows most magmas to traverse the crust without stalling and evolving to more evolved compositions. North Sister, a composite volcano in this arc segment, has produced a seemingly monotonous...

Resource Type:

Dissertation