pp 843-a plate 2 - usgs · professional paper 843-a plate 2 silicified dacite mineral assemblage:...
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- PP 843-A plate 2 - USGS · PROFESSIONAL PAPER 843-A PLATE 2 Silicified dacite Mineral assemblage: quartz±alunite±kaolinite Illite- kaolinite subzone Mineral assemblage: jarosite
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Post on 02-Jun-2020
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