 | KROT, ALEXANDER N., PETAEV, MICHAEL I., SCOTT, EDWARD R. D., CHOI, BYEON-GAK, ZOLENSKY, MICHAEL E., KEIL, KLAUS (1998) Progressive alteration in CV3 chondrites: More evidence for asteroidal alteration. Meteoritics & Planetary Science, 33 (5) 1065-1085 doi:10.1111/j.1945-5100.1998.tb01713.x | Journal (article/letter/editorial) | | divided into two major subgroups or lithologies, Bali-like (cV3,,~) and Allende-like (CV3,d), in which...Ikeda, 1997). The cv30,B lithology is present in Bali, Kaba, parts of the Mokoia breccia and, possibly...et al., 1997b), (6) grossular (Ca3AI3Si3012), anorthite (Ca2A12Si208), nepheline (NaAISi04), sodalite...Oxidized subgroup Ball-like subgroupi/lithology Bali Grosnaja Kaba Mokoiat ALH 85006 fall fall fall...(McSween, 1977; this study). ?Breccia containing Bali-like and Allende-like lithologies and heavily metamorphosed |  | | Journal (article/letter/editorial) | | oxygen of the meteorite. The t 60 excess is distributed very heterogeneously within each meteorite [2]. It...carried out on ground-up pieces of the whole meteorite. The various density fractions then consist mostly...matrix, and a single Allende inclusion, all of the meteorite data points in Fig. 1 lie close to a single mixing...B (Ti-Al-rich pyroxene + spinel + mililite + anorthite) inclusions of Grossman [3], the fine-grained...melilite and clinopyroxene and smaller amounts of anorthite. The inclusion is almost circular in cross-section |  | | Journal (article/letter/editorial) | | from the Allende meteorite is: spine1 (1550°C) --) melilite (14OO’C,Ak22) + anorthite (126O‘C) - Ti-Al-rich...the Ca-Al-rich inclusions (CAIs) in the Allende meteorite and in other carbonaceous chondrites are probably...similar pyroxenes grow at the expense of diopside, anorthite, gehlenite, corundum, and perovskite in annealing...crystallizing liquids of CA1 composition. by anorthite. The melihte becomes increasingly rich in the...This is by analogy with the spine1 + liquid = anorthite + meliite + clinopyroxene reaction observed in |
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