Petrogenesis of Luna 16 aluminous mare basalts

Details Petrogenesis of Luna 16 aluminous mare basalts Petrogenesis of Luna 16 aluminous mare basalts

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979georl...6..909m&link_type=abstract

Geophysical Research Letters, vol. 6, Nov. 1979, p. 909-912.

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9

Aluminum, Basalt, Lunar Composition, Lunar Geology, Lunar Maria, Lunik 16 Lunar Probe, Mineralogy, Abundance, Crystallization, Lunar Evolution, Rare Earth Elements, Tantalum, Titanium, Titanium Oxides, Moon, Luna 16, Petrogenesis, Mare Basalts, Aluminum, Composition, Petrology, Mineralogy, Comparisons, Abundance, Fractional Crystallization, Rare Earth Elements, Textures, Elements, Data, Melting, Trace Elements, Clinopyroxenes, Plagioclase, Cumulates, Titanium Oxide, Samples, Lunar

Scientific paper

Bulk compositions, petrology and mineralogy of Luna 16 aluminous mare basalt particles of less than 0.5 mm are described. The data rule out any close genetic relationships between Luna 16 and other major types of lunar mare basalts. Compared to high-Ti mare basalts, the Luna 16 basalts contain lower TiO2 and Ta and higher Al2O3 and REE abundances, suggesting that the Luna 16 source rocks crystallized later than (i.e. stratigraphically above) the ilmenite-bearing high-Ti basalt cumulate source rocks. The REE pattern for the Luna 16 basalts requires that the source material from which they were derived crystallized from a light REE enriched magma.

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