Physics
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985lpsc...15..571l&link_type=abstract
(Lunar and Planetary Institute, NASA, American Geophysical Union, et al., Lunar and Planetary Science Conference, 15th, Houston,
Physics
9
Anorthosite, Earth Crust, Lunar Crust, Massifs, Petrology, Feldspars, Magma, Planets, Moon, Earth, Models, Anorthosite, Samples, Lunar, Comparisons, Samples, Terrestrial, Petrogenesis, Magma Ocean, Differentiation, Origin, Diapirs, Source, Formation, Parent Material, Dynamics, Melting
Scientific paper
The most popular model of early lunar differentiation is that of a globe-encircling magma ocean tens, if not hundreds, of kilometers deep which produced a floating anorthositic crust and a complementary plagioclase-depleted interior during solidification. Shirley (1983) attempted to show a process by which some of the oldest rocks, lunar ferroan anorthosites (LFA), might have formed from a partially molten 'magma ocean'. The present investigation is concerned with a process by which ferroan anorthosites might have formed without a magma ocean. Attention is given to the magma ocean hypothesis, a hypothesis proposed by Wetherill (1975) regarding a petrogenesis without a magma ocean, two-stage lunar anorthosites, and terrestrial anorthosites.
Ashwal Lewis D.
Longhi John
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