| Abstract: | Landsat-4 Thematic Mapper (TM) data of southern Nevada collected under conditions of low-angle solar illumination were digitally processed to identify hydroxyl-bearing minerals commonly associated with hydrothermal alteration in volcanic terrains. Digital masking procedures were used to exclude shadow areas and vegetation and thus to produce a CRC image suitable for testing the new TM bands as a means to map hydrothermally altered rocks. Field examination of a masked CRC image revealed that several different types of altered rocks displayed hues associated with spectral characteristics common to hydroxyl-bearing minerals. Several types of unaltered rocks also displayed similar hues. |
| Genre: | Conference Paper |
| ProdID: | 70014074 |
| Citation Author: | Podwysocki, Melvin, H.; Power, Marty, S.; Salisbury, Jack; Jones, O. D. |
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| Citation End Page: | 551 |
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| Citation Language: | English |
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| Citation Number Of Pages: | 11 |
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| Citation Publisher: | Environmental Research Inst of Michigan |
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| Citation Search Results Text: | EVALUATION OF LOW-SUN ILLUMINATED LANDSAT-4 THEMATIC MAPPER DATA FOR MAPPING HYDROTHERMALLY ALTERED ROCKS IN SOUTHERN NEVADA.; 1984; Conference Paper; Podwysocki, Melvin, H.; Power, Marty, S.; Salisbury, Jack; Jones, O. D. |
| Citation Start Page: | 541 |
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| Citation Year: | 1984 |
| Type: | citation/reference |
| Text: | EVALUATION OF LOW-SUN ILLUMINATED LANDSAT-4 THEMATIC MAPPER DATA FOR MAPPING HYDROTHERMALLY ALTERED ROCKS IN SOUTHERN NEVADA.; 1984; Conference Paper; Podwysocki, Melvin, H.; Power, Marty, S.; Salisbury, Jack; Jones, O. D. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1984 00:00 -0600 |
| Publisher: | Environmental Research Inst of Michigan |
