Other
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1241s&link_type=abstract
Lunar and Planetary Science, volume 27, page 1241
Other
Anorthosites: Ferroan, Basalt, Magma Oceans: Lunar, Melts: Impact, South Ray Crater
Scientific paper
Mineral-chemical and petrographic observations of three "new", rather large (0.536 to 1.362 g), ferroan anorthosites are presented. These anorthosites appear to be texturally pristine and will be analyzed for their trace- element compositions. One of the anorthosites has a significant (10-15 vol%) proportion of mafic minerals that occur in clots throughout the sample. In light of the paucity of age information on ferroan anorthosites, this sample will be carefully evaluated for further chemical and isotopic studies. One other sample is roughly basaltic in texture, contains abundant armalcolite, and has a composition that is consistent with an impact melt. Another sample is a polymict breccia containing fragments of microgabbros, an ilmenite gabbro, and a troctolite.
Patchen Allan
Snyder Glenn A.
Taylor Lawrence A.
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