Hyperspectral Mineral Mapping For Geothermal Exploration On The Pyramid Lake Paiute Reservation, Nevada
Conference Paper: Hyperspectral Mineral Mapping For Geothermal Exploration On The Pyramid Lake Paiute Reservation, Nevada
AbstractOver 2000 km2 (772 mi2) of 5 m resolution Hymap hyperspectral data was acquired over the Pyramid Lake Paiute Reservation in the Fall of 2004. Subsequent image processing and data analysis has identified reflectance spectra for alunite, kaolinite/halloysite, illite, gypsum, vegetation, and carbonate. A portable spectrometer is being used for in situ validation, along with laboratory measurements and X-ray diffraction analyses of samples collected in the field. We are in the process of producing and validating mineral maps that will be used to narrow the scope of exploration to areas where mineral and vegetation distributions suggest the possible presence of geothermal activity. So far, remotely-sensed gypsum anomalies have led to the identification of at least two previously unknown groups of warm and hot springs. These springs are thought to occur where sulfate-rich groundwater is mixing with calcium in the soil and being precipitated as an evaporite crust.
- Chris Kratt, Wendy Calvin and Mark Coolbaugh
- GRC, 2005
- Not Provided
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Chris Kratt,Wendy Calvin,Mark Coolbaugh. 2005. Hyperspectral Mineral Mapping For Geothermal Exploration On The Pyramid Lake Paiute Reservation, Nevada. In: (!) ; (!) ; (!) . (!) : GRC; p. (!)