 | | Journal (article/letter/editorial) | | immediate contact with graphite–kamacite veinlets, the Haverö and Novo-Urei ureilites contain tiny pyrope grains...diamond-bearing graphite–kamacite melt. For example, the Haverö ureilite is almost completely transformed into...(pyrope) from the Novo-Urei meteorite; (Grt-2) garnet (pyrope) from the Haverö meteorite. protoplanet stage...of olivine transformed into an assemblage of forsterite (in the center) and ringwoodite (at the margins)...Mg1.2Fe0.8SiO4 (ringwoodite) + Mg1.8Fe0.2SiO4 (forsterite). Such a transformation of olivine accompanied |  | Hibiya, Yuki, Archer, Gregory J., Tanaka, Ryoji, Sanborn, Matthew E., Sato, Yuya, Iizuka, Tsuyoshi, Ozawa, Kazuhito, Walker, Richard J., Yamaguchi, Akira, Yin, Qing-Zhu, Nakamura, Tomoki, Irving, Anthony J. (2019) The origin of the unique achondrite Northwest Africa 6704: Constraints from petrology, chemistry and Re–Os, O and Ti isotope systematics. Geochimica et Cosmochimica Acta, 245. 597-627 doi:10.1016/j.gca.2018.04.031 | Journal (article/letter/editorial) | | 187 Re–187Os, O, and Ti isotopic study. The meteorite consists of orthopyroxene megacrysts (En55-57Wo3-4Fs40-42;...suggesting significant nebular fractionation of forsterite in its provenance. (423 words) 1. Introduction...al., 2006; Rubin, 2007). They include several meteorite groups such as acapulcoites, lodranites, and winonaites...achondrites, that are not classified into any known meteorite groups, also have near-chondritic major element...rock standards (BHVO-2 and JB-1b) and Murchison meteorite dissolved in the same manner as NWA 6704. These |  | | Book (volume) | | range and mean of Mn content in individual stone meteorite classes, refer also to [46]. Gmelin Handbock Mn...average weighted Mn content in individual stone meteorite classes (accompanied by a discussion of the results...mean Mn content for the individual parts of a meteorite is given as 300 ppm for the pure meta! (nickel-iron)...graphite-troilite nodules of the Odessa iron meteorite may be explained by the Lack of ferroan alabandite...there are no troilite exsolutions. The Toluca meteorite minerat is in contact with daubreelite without |
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