The discovery of iron barringerite in lunar meteorite Y-793274

Details The discovery of iron barringerite in lunar meteorite Y-793274 The discovery of iron barringerite in lunar meteorite Y-793274

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gecoa..55.1173b&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 55, April 1991, p. 1173, 1174.

Computer Science

2

Iron Meteorites, Lunar Maria, Meteoritic Composition, Grain Boundaries, Photomicrographs, Meteorites, Iron, Lunar Meteorites, Composition, Antarctic Meteorites, Yamato Meteorites, Yamato 743274, Phosphide, Barringerite, Source, Samples, Meteorite, Origin, Laboratory Studies, Optical Microscopy, Microprobe Methods, Electron Microscopy, Description, Comparisons, Ollague, Formation

Scientific paper

The higher phosphide barringerite, (Fe,Ni)2P, has been found in a thin section of the Y-793274 lunar meteorite. This meteorite originated from a highlands/mare boundary and contains mare and highlands components in a 2:1 ratio. The original report of barringerite was from the Ollague pallasite; however, there is uncertainty whether the barringerite in this pallasite may have formed terrestrially. Terrestrial weathering or artificial heating as the source of the barringerite in the lunar meteorite can be excluded. Therefore, Y-793274 seems to contain the first unambiguous extraterrestrial occurrence of barringerite.

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