Computer Science
Scientific paper
Nov 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gecoa..55.3149n&link_type=abstract
(The MacAlpine Hills Lunar Meteorite Consortium - Lunar and Planetary Science Conference, 21st, Special Session, Houston, TX, Ma
Computer Science
13
Lunar Crust, Mass Spectroscopy, Meteoritic Composition, Neutron Activation Analysis, Radioactive Isotopes, Aluminum Isotopes, Beryllium Isotopes, Calcium Isotopes, Earth-Moon System, Manganese Isotopes
Scientific paper
The cosmogenic radionuclides Ca-41, Cl-36, Al-26, and Be-10 in the Allan Hills 81005, MacAlpine Hills 88104, MacAlpine Hills 88105, and Yamato 791197 meteorites were measured by accelerator mass spectrometry. Mn-53 in Allan Hills 81005 and Yamato 791197 was measured by neutron activation. These four lunar meteorites experienced similar histories. They were ejected from near the surface of the moon ranging in depth down to 400 g/sq cm and had very short transition times (less than 0.1 Ma) from the moon to the earth. A comparison of the cosmogenic nuclide concentrations in MacAlpine Hills 88104 and MacAlpine Hills 88105 clearly indicates that they are a pair from the same fall.
Arnold James R.
Elmore David
Fink David
Klein Jeff
Kubik Peter W.
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