Mineralogy and Composition of Lunar Fines and Selected Rocks

Mineralogical descriptions and both wet chemical analyses and microprobe analyses are given of the glasses and crystalline components of the lunar fines and of the minerals in microgabbros (samples 10050 and 10047). The principal minerals described are various clinopyroxenes, plagioclase, olivine, l...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1970-01, Vol.167 (3918), p.681-683
Main Authors: Frondel, Clifford, Klein, Cornelis, Ito, Jun, Drake, John C.
Format: Article
Language:English
Subjects:
Chemical composition
Glass
Iron
Iron mining
Materials
Minerals
Mössbauer Studies
Olivine
Plagioclase
Pyroxenes
Rocks
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Summary:Mineralogical descriptions and both wet chemical analyses and microprobe analyses are given of the glasses and crystalline components of the lunar fines and of the minerals in microgabbros (samples 10050 and 10047). The principal minerals described are various clinopyroxenes, plagioclase, olivine, low cristobalite, low tridymite, ilmenite, iron-nickel, iron, schreibersite, cohenite, troilite, and a new CaFe pyroxenoid. Descriptions are given of small craters produced by hypervelocity particle impact on glass and iron-nickel fragments in the fines. The rounding of grains in the fines and of surface rocks is attributed to mechanical abrasion and not to cratering.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.167.3918.681