div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentpp-843-a-plate-2-usgs-professional-paper-843-a-plate-2-silicified-dacite-mineralhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnlreader035viewer20220707195edeb2aaad6a402d666a0909html5thumbnails1jpg width=140 height=200 divdiv