Formation and zonation of ferruginous bauxite deposits of the Chapman quadrangle, Oregon
Two major theories have been advanced to account for the scattered distribution of ferruginous bauxite deposits. Original workers proposed that ferruginous bauxite originally developed over all exposed Columbia River Basalt in western Oregon and was subsequently removed by erosion. Studies which fol...
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Format: | Others |
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PDXScholar
1983
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Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/3513 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=4522&context=open_access_etds |