Specimen: Gradation in altered augite monzonite from (right) fresh rock to (center) sericitized and chloritized rock to (left) rock composed of coarsely crystalline epidote and albite, Jumbo mine, Prince of Wales Island, Alaska.
Dates
Date Taken
1944
Summary
Specimen: Gradation in altered augite monzonite from (right) fresh rock to (center) sericitized and chloritized rock to (left) rock composed of coarsely crystalline epidote and albite, Jumbo mine, Prince of Wales Island, Alaska. 1944. Figure 33, in U.S.Geological Survey Professional paper 251. 1953.
Summary
Specimen: Gradation in altered augite monzonite from (right) fresh rock to (center) sericitized and chloritized rock to (left) rock composed of coarsely crystalline epidote and albite, Jumbo mine, Prince of Wales Island, Alaska. 1944. Figure 33, in U.S.Geological Survey Professional paper 251. 1953.
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