A stratigraphic and geochemical investigation of ferruginous bauxite deposits in the Salem Hills, Marion County, Oregon
Pacific Northwest ferruginous bauxite deposits have formed in four main areas of northwestern Oregon and southwestern Washington by laterization of flows of the Columbia River Basalt Group (CRBG). The deposits, averaging 36.3% Al2O3 , 31.8% Fe2O3 , and 5.9% Sio2, generally occur near the surface of...
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| Format: | Others |
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PDXScholar
1981
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| Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/3201 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=4209&context=open_access_etds |