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Oc currence of gold and silver in Oregon
Part llA Table of Contents
11 other sections not shown
adits altered andesite Applegate Group argillite arsenopyrite average Baker County batholith Bohemia District breccia Bulletin 14–C Josephine calcite Callaghan and Buddington Canyon chalcopyrite Connor Creek contains copper Cornucopia Country rocks crosscut Department Bulletin 14-A Department mine file deposits Development dikes Diller diorite dredge east feet elevation feet long feet of drifts feet thick feet wide Fork Formation free gold galena gangue Geology Geology and mineralization Gilluly Gold Hill-Applegate-Waldo Area gold mining granodiorite Grant County gravels Greenback Greenhorn District greenstone Gulch inches intrusive Jackson County Josephine County Lane County levels Lindgren Location miles mill occur operated Oregon ounces gold output oxidized Pardee and Hewett Parks and Swartley percent placer mining pocket Principal lode mines pyrite quartz veins record References schist serpentine shaft shear zone shoots sphalerite stopes sulfides Sumpter tons Total production tuff tunnels vein strikes volcanic Wallowa Mountains Western Cascades width Winchell