Multispectral discrimination of spectrally similar hydrothermal minerals in mafic crust: A 5000 km2 ASTER alteration map of the Oman–UAE ophiolite

Thomas M. Belgrano,L. Diamond,Nevena Novaković,R. Hewson,C. Hecker,Robin C. Wolf,Ludwik de Doliwa Zieliński,Raphael Kuhn,Samuel A. Gilgen

Published 2022 in Remote Sensing of Environment

ABSTRACT

Multispectral remote sensing of hydrothermal alteration in volcanogenic massive sulfide (VMS) ore systems in mafic crust is relatively uncommon, in part due to the short-wave infrared spectral similarity of several key alteration minerals: epidote, chlorite, actinolite

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