Photomicrograph: Feldspar of augite monzonite replaced by sercicite and epidote; graphics mean: Epidote, ep; sercicite, se.
Dates
Date Taken
1944
Summary
Photomicrograph: Feldspar of augite monzonite replaced by sercicite and epidote; graphics mean: Epidote, ep; sercicite, se. Crossed nicols. Jumbo mine, Prince of Wales Island, Alaska. 1944. Figure 34, in U.S.Geological Survey Professional paper 251. 1953.
Summary
Photomicrograph: Feldspar of augite monzonite replaced by sercicite and epidote; graphics mean: Epidote, ep; sercicite, se. Crossed nicols. Jumbo mine, Prince of Wales Island, Alaska. 1944. Figure 34, in U.S.Geological Survey Professional paper 251. 1953.
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