Computer Science
Scientific paper
Apr 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7..819h&link_type=abstract
In: Lunar Science Conference, 7th, Houston, Tex., March 15-19, 1976, Proceedings. Volume 1. (A77-34651 15-91) New York, Pergamon
Computer Science
4
Cobalt, Lunar Rocks, Lunar Soil, Metal Particles, Nickel, Phosphorus, Agglutination, Anorthosite, Apollo 16 Flight, Crystallization, Silicates, Trace Elements
Scientific paper
The moderately magnetic fractions of soils from a bright ray of South Ray Crater and from the continuous ejecta of North Ray Crater are described. The clasts in these fractions are classified as agglutinate, ANT melt rocks, glassy melt rocks, and ANT hornfels/breccia. Determinations are made of the Ni-Co and P contents of single-phase metal grains in the clasts. It is found that most of these grains have compositions in the meteoritic range and that the compositions tend to cluster at about 6% Ni. A significant amount of Fe-rich metal is also detected in some clasts along with a clear P-enrichment in metal from one soil sample. Meteoritic contamination of lunar metal having compositions in or close to the meteoritic range is considered. A model involving nine separate factors is proposed as an explanation of the observed metal compositions.
Axon H. J.
Goldstein Joseph I.
Hewins Roger H.
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