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NWA 1877

NWA 1877

内部物质组成是Harzburgitic peridotite composed of subequal amounts of orthopyroxene(Fs22.4-23.3Wo1.5; FeO/MnO = 25.2-29.7)和橄榄石 (Fa27.8, FeO/MnO = 44-50) 贫铝铬铁矿[Cr/(Cr+Al) = 84.8-88.0, Mg/(Mg+Fe) = 11.7-19.8],陨硫铁(丰富的滤过泡内硅酸盐和铬铁矿夹杂),和稀疏无镍金属(partly altered to limonite)。

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