Title :
Study of the Oyu Tolgoi Cu-Au deposit characteristics using mult-spectral ASTER data
Author :
Young-Sun Son ; Moon-Kyung Kang ; Wang-Jung Yoon
Author_Institution :
Dept. of Energy & Resources Eng., Chonnam Nat. Univ., Gwangju, South Korea
Abstract :
In this study, ASTER data was analyzed to extract spectral characteristics of the Oyu Tolgoi porphyry Cu-Au deposit region in Mongolia. We proposed extraction model of alteration zone and silicate mineral zone by using various band ratio logical operator. The central Oyu tolgoi deposit is associated with advanced argillic alteration. The south and southwest deposits are associated with phyllic alteration. Khan Bogd is associated with alkali feldspar minerals. The results show that these techniques have potentials in mineral prognostication.
Keywords :
copper; geochemistry; geophysical techniques; gold; minerals; Khan Bogd; Mongolia; Oyu tolgoi Cu-Au deposit characteristics; Oyu tolgoi porphyry Cu-Au deposit region spectral characteristics; advanced argillic alteration; alkali feldspar minerals; alteration zone; band ratio logical operator; central Oyu tolgoi deposit; extraction model; mineral prognostication techniques; multispectral ASTER data; phyllic alteration; silicate mineral zone; southwest deposits; ASTER; Band math; Hydrothermal alteration; Oyu Tolgoi; Thermal infrared;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2012 IEEE International
Conference_Location :
Munich
Print_ISBN :
978-1-4673-1160-1
Electronic_ISBN :
2153-6996
DOI :
10.1109/IGARSS.2012.6350371