Geochemistry of the lunar highlands as revealed by measurements of thermal neutrons

Thermal neutron emissions from the lunar surface provide a direct measure of bulk elemental composition that can be used to constrain the chemical properties of near‐surface (depth 85%, are generally associated with large impact basins and are colocated with clusters of nearly pure plagioclase ident...

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Bibliographic Details
Published in:Journal of geophysical research. Planets 2016-03, Vol.121 (3), p.388-401
Main Authors: Peplowski, Patrick N., Beck, Andrew W., Lawrence, David J.
Format: Article
Language:English
Subjects:
Absorption
Atmospheres
Chemical composition
Chemical properties
Composition
Composition of the Moon
Concentration (composition)
Emission measurements
Geochemistry
Geophysics
Highlands
lunar highlands
Lunar Prospector
Lunar surface
Mineral Physics
Moon
Neutron absorption
Neutrons
Plagioclase
Planetary Geochemistry
Planetary Sciences: Comets and Small Bodies
Planetary Sciences: Fluid Planets
Planetary Sciences: Solid Surface Planets
Thermal neutrons
X‐ray, Neutron, and Electron Spectroscopy and Diffraction
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Summary:Thermal neutron emissions from the lunar surface provide a direct measure of bulk elemental composition that can be used to constrain the chemical properties of near‐surface (depth 85%, are generally associated with large impact basins and are colocated with clusters of nearly pure plagioclase identified with spectral reflectance data. Key Points We report the first map of macroscopic neutron absorption for the lunar surface Elemental composition and variability across the lunar highlands is discussed Large (>45 km diameter) locations with >85 wt % plagioclase content are identified
ISSN:2169-9097
2169-9100
DOI:10.1002/2015JE004950