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NWA 2051Below is the data that was submitted to the nomenclature committee: Northweat Africa 2051 A 125.2 g, nearly complete stone, was purchased in Rissani, Morocco, September 2003. Mineralogy and classification (J. Wittke and T. Bunch, NAU): Polymict eucrite; modes in vol. %; cumulate eucrite, 74, basaltic eucrite, 17, diogenite 6, shock clasts 3. Cumulate eucrite opx, Fs46.7 - 54.7 Wo2- 3.1; augite, Fs38.4-44WWo20-24.4; plagioclase, An89.4- Minor metal (Ni= 0.57 wt %; Co = 0.42), ilmenite, chromite, triolite and silica. Shock level, S2; minor weathering. Specimens: 20.7, NAU; main mass, Farmer. |
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