Photomicrograph: Plagioclase lath broken down to aggregate of many small plagioclase crystals of higher anorthite content, garnet surrounding and replacing feldspar; crossed nicols.
Dates
Date Taken
1944
Summary
Photomicrograph: Plagioclase lath broken down to aggregate of many small plagioclase crystals of higher anorthite content, garnet surrounding and replacing feldspar; crossed nicols. Magnetite Cliff Jumbo Basin, Prince of Wales Island, Alaska. 1944. Figure 14, in U.S.Geological Survey Professional paper 251. 1953.
Summary
Photomicrograph: Plagioclase lath broken down to aggregate of many small plagioclase crystals of higher anorthite content, garnet surrounding and replacing feldspar; crossed nicols. Magnetite Cliff Jumbo Basin, Prince of Wales Island, Alaska. 1944. Figure 14, in U.S.Geological Survey Professional paper 251. 1953.
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