2025年3月17日 · NWA 2800 is a complete and lightly weathered stone with significant desert ablation that has eroded most of the fusion crust and imparted a dull to shiny sheen to the …

NWA 2800 – 686 grams Enriched Basaltic Shergottite Mineralogical Mode for NWA2800 Bunch et al. 2008 Plagioclase 47 vol. % Pyroxene 39 Symplectite 10 Residuum 2 Oxides 2 Introduction …

2008年3月1日 · Similar complex and irregular zonings are also observed in the enriched basaltic shergottites Los Angeles, NWA 2800, NWA 5298, and NWA 2975 (Warren et al., 2004; Bunch …

We report new chemical abundances for four shergottites for which no published data are reported, including NWA 2800, NWA 5214, NWA 6148, and Y-000097. The new data …

Based on oxygen isotope data and mineralogical studies, KG 002 is a coarse-grained basaltic shergottite similar to Los Angeles and NWA 2800 and is probably the feldspar (maskelynite) …

Chemical Composition of Four Shergottites from Northwest Africa (NWA 2800, NWA, 5214, NWA 5990, NWA 6342) Shergottites represent the majority of recovered Martian meteorites. As …

eraged pyroxene and plagioclase compositions measured on NWA 2800 and NWA 5214 defining the two extremes. Compared to other sher-gottites, NWA 5214, NWA 280. and Los Angeles …

thus infer that NWA 2800 is a highly evolved, “en-riched” basaltic shergottite derived by prolonged frac-tional crystallization of more primitive magmas like NWA 1068 and NWA 4468 [3], and …

2015年1月12日 · 历史和物理特性：2007年7月，一位不知名的收藏家购买自摩洛哥，陨石质量为686克。 NWA2800是一块完整的，风化轻微的陨石，沙漠风化导致陨石已经被侵蚀掉了大部 …

NWA 6342 is an intermediate, ultramafic, poikilitic shergottite that was found in Algeria in 2010. As the poikilitic shergottite-group meteorites are thought to have originated from the same…