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Remote sensing of potential lunar resources. I - Near-side compositional propertiesUsing telescopic CCD multispectral images of the lunar near side and the results of 330-870 nm spectroscopy of selected regions, the compositional differences relevant to the locations of potential lunar resources (such as ilmenite, FeTiO3, and solar-wind-implanted He-3 and H) are estimated. The 400/560 nm CCD ratio images were converted to weight percent TiO2, and the values were used to construct a new TiO2 abundance map which can be used to estimate the areas potentially rich in ilmenite. A 950/560 nm CCD ratio mosaic of the full moon provides estimates of relative surface maturity. Since high He-3 concentrations correlate with mature ilmenite-rich soils, a combination of relative surface maturity maps and the TiO2 abundance maps can be used to estimate distributions of He-3 (and possibly H) on local scales.
Document ID
19920027999
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Johnson, Jeffrey R.
(NASA Center for the Utilization of Local Planetary Resources, Arizona Univ. Tucson, AZ, United States)
Larson, Stephen M.
(NASA Center for the Utilization of Local Planetary Resources, Arizona Univ. Tucson, AZ, United States)
Singer, Robert B.
(NASA Space Engineering Research Center for Utilization of Local Planetary Resources; Arizona, University Tucson, United States)
Date Acquired
August 15, 2013
Publication Date
October 25, 1991
Publication Information
Publication: Journal of Geophysical Research
Volume: 96
ISSN: 0148-0227
Subject Category
Lunar And Planetary Exploration
Accession Number
92A10623
Funding Number(s)
CONTRACT_GRANT: NAGW-1332
CONTRACT_GRANT: NAGW-247
Distribution Limits
Public
Copyright
Other

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