NASA NTRS · 19820000050
Portable Radiometer Identifies Minerals in the Field
Abstract
Hand-held optical instrument aids in identifying minerals in field. Can be used in exploration for minerals on foot or by aircraft. The radiometer is especially suitable for identifying clay and carbonate minerals. Radiometer measures reflectances of mineral at two wavelengths, computes ratio of reflectances, and displays ratio to user.
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Goetz, A. F. H., Machida, R. A.. 1982-12-01. Portable Radiometer Identifies Minerals in the Field. https://ntrs.nasa.gov/citations/19820000050
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