Search
You searched for:
Start Over
Trends
Remove constraint Trends
Subject
Geology
Remove constraint Subject: Geology
Subject
Geology -- Oregon
Remove constraint Subject: Geology -- Oregon
1 - 3 of 3
Search Results
-
1. [Article] The stratigraphy and structure of the Columbia River basalt in the Clackamas River drainage
The Clackamas River drainage within the western Cascade Range is approximately aligned with a northwest trending lineation defined by the Portland Hills and the Brothers Fault zone. This area is occupied ...Citation -
The North Fork stock is a composite intrusive body of Late Jurassic-Early Cretaceous age which outcrops in the Blue Mountains of northeastern Oregon. The upper 600 m of the intrusion are exposed over an ...
Citation -
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 ...
Citation