Physics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983georl..10..807m&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 10, Sept. 1983, p. 807, 808.
Physics
6
Ejecta, Ferromagnetic Resonance, Lunar Rocks, Magnetic Properties, Meteorites, Iron, Regolith, Spectrum Analysis, Meteorites, Antarctic Meteorites, Allan Hills Meteorites, Alha81005, Fmr, Moon, Origin, Description, Physical Properties, Characteristics, Soils, Source, Samples, Meteorite, Procedure, Matrix, Techniques, Resonance, Magnetic Hysteresis, Spectra, Concentration
Scientific paper
Seven chips of primarily matrix material from the Antarctic meteorite ALHA 81005 were analyzed by ferromagnetic resonance (FMR) and magnetic hysteresis techniques. The FMR spectra of two chips have a resonance at g of about 2.1 that resembles the g of about 2.1 resonance that is characteristic of lunar soils. Thus the FMR spectra are consistent with the lunar regolith being a progenitor for the matrix material. For the two chips, the FMR surface exposure (maturity) index was about 5 units, which is equivalent to a value for an immature lunar soil. The total concentration of metallic iron is on the order of 0.11 equivalent wt. pct, which is within the observed range for Apollo 16 rocks and soils.
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