Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Creator Heikes, Brandon W. Non-Academic Affiliation Oregon Explorer Resource Type Article

Temporal and crustal effects on differentiation of tholeiite to calcalkaline and ferro-trachytic suites, High Lava Plains, Oregon, USA

Creator:

Streck, Martin J. and Grunder, Anita L.

Abstract:

Strongly bimodal, basalt-rhyolite volcanism of the High Lava Plains Province of Oregon followed the Middle Miocene flood basalts of the Pacific Northwest and extends to recent time. During the 8 m.y. of volcanism recorded in the central High Lava Plains, in western Harney Basin, three distinct mafic magmatic trends originate...

Resource Type:

Article

Full Text:

a fo r W es te rn H ar ne y B as in M af ic to In te rm ed ia te V ol ca ni c R oc ks a [T he fu