Delineating the major KREEP-bearing terranes on the moon with global measurements of absolute thorium abundances

• Main Authors: Lawrence, D. J., Feldman, W. C., Barraclough, B. L., Elphic, R. C., Prettyman, T. H., Binder, A. B., Maurice, S., Miller, M. C.
• Other Authors: United States. Department of Energy.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Los Alamos National Laboratory 1999
• Subjects: Thorium; Abundance; Chemical Composition; Mapping; Moon; 66 Physics; Gamma Spectrometers; Aitken; South Pole; South pole
• Online Access: https://digital.library.unt.edu/ark:/67531/metadc685315/

The Lunar Prospector (LP) Gamma-Ray Spectrometer (GRS) has been used to map the global composition of thorium on the lunar surface. Previous LP results of relative thorium abundances demonstrated that thorium is highly concentrated in and around the nearside western maria and less so in the South Po...