Reflectance spectroscopy of lunar meteorite Yamato-791197: Relation to remote sensing data bases of the Moon

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概要

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• The major mineralogical components of Yamato-791197 determined from reflectance spectra are calcium-rich clinopyroxene, plagioclase, and <30% olivine. These results are determined from visual examination of spectra in 1.0μm region, with continuum removed and using a multiple-order derivative analysis to detect band positions. Geochemical constraints on the provenance of Y-791197 provided by the Apollo orbital X-ray and γ-ray spectrometers indicate that areas with a surface chemistry like that measured in geochemical analysis of Y-791197 are extremely limited on the central nearside. Only 25% of highland craters spectrally measured on the nearside consist of high-calcium pyroxene. Only one crater, Eimmart A, located on the eastern limb close to Mare Crisium, consists of moderately calcium-rich pyroxene, plagioclase and a significant olivine component.

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著者

• Mcfadden Lucy

  Astronomy Program University Of Maryland

• Pieters Carle

  Department Of Geological Sciences Brown University

• Gaffey Michael

  Geology Department Rensselaer Polytechnic Institute

• Huguenin Pobert

  Remote Sensing Center, University of Massachusetts

• Hawke B.Roy

  Planetary Geosciences Division, Hawaii Institute of Geophysics, University of Hawaii

• King Trude

  Planetary Geosciences Division, Hawaii Institute of Geophysics, University of Hawaii

• King Trude

  Planetary Geosciences Division Hawaii Institute Of Geophysics University Of Hawaii

• Hawke B.roy

  Planetary Geosciences Division Hawaii Institute Of Geophysics University Of Hawaii

• Huguenin Pobert

  Remote Sensing Center University Of Massachusetts

関連論文

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• Origin of vestoids suggested from the space weathering trend in the visible reflectance spectra of HED meteorites and lunar soils
• Reflectance spectroscopy of lunar meteorite Yamato-791197: Relation to remote sensing data bases of the Moon
• An improved scheme for modeling the reflectance spectra of space-weathered regoliths

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