Global Elemental Maps of the Moon: The Lunar Prospector Gamma-Ray Spectrometer

Lunar Prospector gamma-ray spectrometer spectra along with counting rate maps of thorium, potassium, and iron delineate large compositional variations over the lunar surface. Thorium and potassium are highly concentrated in and around the nearside western maria and less so in the South Pole–Aitken b...

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Bibliographic Details
Published in:Science
Main Authors: Lawrence, D. J., Feldman, W. C., Barraclough, B. L., Binder, A. B., Elphic, R. C., Maurice, S., Thomsen, D. R.
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 1998
Subjects:
South pole
Online Access:http://dx.doi.org/10.1126/science.281.5382.1484
https://www.science.org/doi/pdf/10.1126/science.281.5382.1484
Description
Summary:Lunar Prospector gamma-ray spectrometer spectra along with counting rate maps of thorium, potassium, and iron delineate large compositional variations over the lunar surface. Thorium and potassium are highly concentrated in and around the nearside western maria and less so in the South Pole–Aitken basin. Counting rate maps of iron gamma-rays show a surface iron distribution that is in general agreement with other measurements from Clementine and the Lunar Prospector neutron detectors.

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