Petrographic, Mineralogic, and X-Ray Fluorescence Analysis of Lunar Igneous-Type Rocks and Spherules

Three lunar rocks show almost identical mineralogy but grain sizes that vary from basaltic to gabbroic. Clinopyroxene is zoned from augite to subcalcic ferroaugite compositions and is accompanied by decrease in Cr, Al, and Ti. Plagioclase is zoned from 93 to 78 percent anorthite. Olivine (68 percent...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1970-01, Vol.167 (3918), p.599-601
Hauptverfasser:	Brown, G. Malcolm, Emeleus, C. Henry, Holland, J. Grenville, Phillips, Roy
Format:	Artikel
Sprache:	eng
Schlagworte:	Basalt Chemical composition Crystals Electrons General Mineralogy Minerals Olivine Plagioclase Pyroxenes Rocks X ray fluorescence
Online-Zugang:	Volltext
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