Evaluation of multispectral middle infrared aircraft images for lithologic mapping in the East Tintic Mountains, Utah
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Abstract
Six channels of multispectral middle infrared (8 to 14 μrn) aircraft scanner data were acquired over the East Tintic mining district, Utah. This area has high relief and moderate vegetation and consists mainly of Tertiary silicic igneous rocks and Paleozoic quartzite and carbonate rocks that have been locally hydro thermally altered. These digital-image data were computer processed to create a color-composite image based on principal component transformations. Color differences in this image are related to the spectral differences in the surface material and allow discrimination of several rock types, depending primarily on their silica content. When combined with a visible and near infrared color-composite image from a previous flight, with limited field checking, it is possible to discriminate quartzite, carbonate rocks, quartz latitic and quartz monzonitic rocks, latitic and monzonitic rocks, silicified altered rocks, argillized altered rocks, and vegetation.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evaluation of multispectral middle infrared aircraft images for lithologic mapping in the East Tintic Mountains, Utah |
| Series title | Geology |
| DOI | 10.1130/0091-7613(1980)8<234:EOMMIA>2.0.CO;2 |
| Volume | 8 |
| Issue | 5 |
| Year Published | 1980 |
| Language | English |
| Publisher | Geological Society of America |
| Description | 6 p. |
| First page | 234 |
| Last page | 239 |
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