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Record 1 of 8869
High-resolution UV-visible spectroscopy of lunar red spots
Author and Affiliation:
Bruno, B. C.(Hawaii Univ., Honolulu, HI, United States)
Lucey, P. G.(Hawaii Univ., Honolulu, HI, United States)
Hawke, B. R.(Hawaii, University, Honolulu, United States)
Abstract: A spectral reflectance study of selected lunar 'red spots', highland areas characterized by an absorption in the ultraviolet relative to the visible was conducted. Some red spots were suggested to be the sites of ancient highland volcanism. High-resolution spectral data of eight red spots on the western portion of the moon over the wavelength region 0.39-0.82 micron were obtained. Much spectral variation among these red spots in the magnitude as well as the wavelength position of the ultraviolet absorption were found. Spectral structure at visible and near-infrared wavelength were also identified. These spectral differences indicate that red spots do not have a single mineralogical composition, which in turn suggests that red spots may have multiple origins. Additional imaging spectroscopic observations were taken of the Herigonius red spot, a morphologically complex region northeast of Mare Humorum. These data reveal significant spectral differences among the various morphological units within the Herigonius red spot. Although some of these are likely due to the effects of the maturation process, others appear to reflect differences in mineral abundances and composition.
Publication Date: Jan 01, 1991
Document ID:
19910057736
(Acquired Nov 28, 1995)
Accession Number: 91A42359
Subject Category: LUNAR AND PLANETARY EXPLORATION
Document Type: Conference Paper
Publication Information: SEE A91-42332
Publisher Information: United States
Meeting Information: 21st Lunar and Planetary Science Conference; Mar. 12-16, 1990; Houston, TX; United States
Contract/Grant/Task Num: NAGW-1421; NAGW-237; NAGW-437; NSG-7323
Financial Sponsor: NASA; United States
Organization Source: Hawaii Univ.; Honolulu, HI, United States
Description: 11p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: LUNAR SURFACE; SPECTRAL REFLECTANCE; ULTRAVIOLET SPECTROSCOPY; VISIBLE SPECTRUM; HIGH RESOLUTION; HIGHLANDS; VOLCANOLOGY
Imprint And Other Notes: IN: Lunar and Planetary Science Conference, 21st, Houston, TX, Mar. 12-16, 1990, Proceedings (A91-42332 17-91). Houston, TX, Lunar and Planetary Institute, 1991, p. 405-415.
Availability Source: Other Sources
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