MAPPING ARGILLIC AND ADVANCED ARGILLIC ALTERATION IN VOLCANIC ROCKS, QUARTZITES, AND QUARTZ ARENITES IN THE WESTERN RICHFIELD 1 X … (original) (raw)
2009, Geological Society of America Abstracts with …
AI-generated Abstract
This report builds upon preliminary research by Rockwell and Hofstra (2009a) regarding the use of ASTER multispectral data to analyze and map mineralogy in southwestern Utah. It details the findings of updated mapping results for clay-sulfate-mica-carbonate minerals and the presence of ferric iron in volcanic rocks, quartzites, and quartz arenites across an expansive area of 11,245 square kilometers. The work employs spectroscopic analysis of both VNIR and SWIR data combined with TIR data, demonstrating an effective methodology for identifying different types of mineral alterations, particularly advanced argillic alterations within quartzites and other rocky substrates.
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