ALHA 81005 meteorite - Chemical evidence for lunar highland origin

Details ALHA 81005 meteorite - Chemical evidence for lunar highland origin ALHA 81005 meteorite - Chemical evidence for lunar highland origin

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983georl..10..825l&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 10, Sept. 1983, p. 825-828.

Physics

24

Lunar Rocks, Meteoritic Composition, Mineralogy, Abundance, Anorthosite, Chemical Analysis, Metal Oxides, Meteorites, Antarctic Meteorites, Allan Hills Meteorites, Alha81005, Mars, Moon, Origin, Description, Physical Properties, Characteristics, Source, Chemistry, Samples, Meteorite, Element Ratios, Rare Earth Elements, Inaa, Patterns, Highlands, Mineralogy, Comparisons, Lunar, Apollo 15, 15418, Luna 16, 21013, Siderophiles, Iridium, Breccias, Clasts, Data, Matrix, Terrestrial Ages, Snc Meteorites, Neutron

Scientific paper

During the 1981-82 expedition to Antarctica a one-ounce meteorite was found on the slopes of the Allan Hills Mountain. This meteorite, which was catalogued as ALHA 81005, had unusual characteristics and resembled the lunar highland rocks. In a preliminary study, it was found that the chemical composition of the bulk sample of the meteorite matched closely with the Apollo 15 15418 highland rock which Laul and Schmitt (1973) analyzed by instrumental neutron activation analysis (INAA). The chemical data obtained for the clast, matrix, and bulk material of the ALHA 81005 meteorite are listed in a table together with corresponding data for the Apollo 15 15418 highland rock and the Luna 16 21013 highland rock. The close agreement of the data for the meteorite and the two lunar rocks suggests strongly that the ALHA 81005 is of lunar highland origin.

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