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 by an extensive Columbia River Basalt sequence that is deeply incised by the Clackamas River and...
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| Format: | Others |
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PDXScholar
1978
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| Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/3511 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=4520&context=open_access_etds |