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  • 1980-1984  (4)
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  • 1
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    Unknown
    Mineral identification from orbit - Initial results from the Shuttle multispectral infrared radiometer (1982)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The Shuttle multispectral IR radiometer (SMIRR) was designed to obtain surface reflectance data in ten spectral bands in order to evaluate the usefulness of a future imaging system for remote mineral identification. Attention was given to the 2.0-2.4 micron region, which has a wealth of spectral absorption features and appeared to have potential for the identification of CO3- and OH-bearing minerals such as the kaolinite and montmorillonite clays. SMIRR radiances were normalized by using a spectrum for dune sand collected in the Kharga Depression in Egypt. Direct identifications have been made of kaolinite-containing and carbonate material, indicating an exceptional potential for future orbital platform narrowband spectral imaging systems for mineralogical mapping.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Science; 218; Dec. 3
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Preliminary analysis of Shuttle multispectral radiometer data for southern Egypt (1983)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The Shuttle Multispectral Infrared Radiometer (SMIRR) is a spectroradiometer covering the region from 0.5 to 2.5 microns in 10 channels that acquired data from spots 100 m in diameter along the subspacecraft ground track. It was flown aboard the second flight of the Space Shuttle Columbia, November 12-14, 1981. Data collected during orbit 16 over southern Egypt show that carbonate rocks, kaolinite, and possibly montmorillonite can be identified by their SMIRR spectral signatures and limited knowledge of the lithologic units present. Detailed analysis of SMIRR data for this area indicates that calcite, kaolinite, and montmorillonite rocks give rise to absorption features that result in characteristic 10 channel spectra.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: (ISSN 0273-1177)
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Identification of hydrothermal mineralization in Baja California, Mexico from orbit using the Shuttle multispectral infrared radiometer (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Data from the Space Shuttle Multispectral IR Radiometer (SMIRR), which is a 10-channel remote sensor designed to record narrow band spectral data in the 0.5-2.4 micron wavelength range, were used to identify and study a previously unreported area of hydrothermal alteration on the Baja California peninsula. Absorption at 2.17 microns, which is diagnostic of the minerals pyrophyllite, dickite, and alunite, was observed in many spectra and the presence of pyrophyllite and dickite was confirmed by X-ray diffraction analysis of field samples. Anomalously high Mo, B, Sn, Zr, and Ag were found in three samples.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: 1983 International Geoscience and Remote Sensing Symposium (IGARSS ''83); Aug 31, 1983 - Sep 02, 1983; San Francisco, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Shuttle Multispectral Infrared Radiometer - Preliminary results from the second flight of Columbia (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Shuttle Multispectral Infrared Radiometer (SMIRR) is a spectroradiometer covering the region 0.5-2.5 microns in 10 channels that acquired data from 100 m diameter spots along the subspacecraft ground track. It was flown aboard the second flight of the Space Shuttle Columbia, November 12-14, 1981. Preliminary analysis of data from one of the 17 orbits covered shows that in Egypt, carbonate rocks, kaolinite, and possibly montmorillonite can be identified by their SMIRR spectral signatures in conjunction with limited knowledge of the regional geologic setting. The SMIRR data have made possible the first remote identification of carbonate rocks and clays from orbit.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: 1982 International Geoscience and Remote Sensing Symposium; Jun 01, 1982 - Jun 04, 1982; Munich
    Format: text
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    NASA TECHNICAL REPORTS
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