Geochemical Evolution of Ferruginous Bauxite Deposits in Northwestern Oregon and Southwestern Washington
Ferruginous bauxite deposits developed from flows of the Columbia River Basalt Group in northwestern Oregon and southwestern Washington. Samples of the iron pisolite and the gibbsite nodular zones from the upper portion of the weathering profile of drill core from Columbia County, Oregon and Cowlitz...
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| Format: | Others |
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PDXScholar
1990
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| Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/3821 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=4833&context=open_access_etds |