Other
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..615j&link_type=abstract
Lunar and Planetary Science, volume 27, page 615
Other
4
Meteorites: Lunar, Very Low-Titanium Basalt
Scientific paper
QUE94281, one of the newest lunar meteorites discovered in Antarctica, is a glassy- matrix, clast-rich regolith breccia containing a clast assemblage dominated by mineral debris from a shallow plutonic environment with compositional similarity to VLT (very-low-Ti) basalt. Abundant coarse pyroxene clasts are finely exsolved and have compositions similar to pyroxenes of known lunar VLT basalts and other lunar meteorites of basaltic composition. Pyroxene compositions follow a slow-cooling trend leading to the assemblage fayalite-hedenbergite-quartz. Coarse plagioclase clasts have An contents of ~68-95, similar to the other "basaltic" meteorites. As a proxy for the bulk composition of the meteorite, the composition of the fusion crust is very similar to the bulk composition of Yamato 793274 and reflects the dominant contribution of the VLT-composition mineral clasts. However, the clast assemblage also contains numerous subrounded, glassy and finely crystalline melt-breccias of highlands origin. Lithic clasts that have fine-grained basaltic texture are rare.
Jolliff Brad L.
Korotev Randy L.
Rockow Kaylynn M.
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