Browsing by Subject "Volcanism -- Oregon"

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Extension and volcanism : tectonic development of the northwestern margin of the Basin and Range Province in southern Oregon

Scarberry, Kaleb C. (2007-09-19)

The northwestern corner of the Basin and Range Province (NWBR) lies in southeast Oregon where extensive Late Miocene, mafic to bimodal basalt-rhyolite volcanism and extensional faults dominate a stark and arid landscape. ...
Geology and geochemistry of Juniper Ridge, Horsehead Mountain and Burns Butte : implications for the petrogenesis of silicic magma on the High Lava Plains, southeastern Oregon

MacLean, James W. (1994-02-17)

The Juniper Ridge volcanic complex is located in the High Lava Plains Province of southeastern Oregon, a wide zone of bimodal volcanism and faulting that marks the northern limit of widespread Basin and Range-style fau ...
Mount Mazama and Crater Lake : a study of the botanical and human responses to a geologic event

Green, Robyn A. (1998-06-03)

Crater Lake, located in the southern Cascade mountains of Oregon, is the seventh deepest lake in the world. Unlike a majority of the deepest lakes in the world, found in continental rift valleys, Crater Lake is in the ca ...

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