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NWA 7458   contributed by Cal Powell   MetBul Link


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Photos by Cal Powell.   Copyright (c) Cal Powell.
9.2 gram end-cut. 18 x 29 x 9 mm.   L5-melt breccia

TKW 15 kg. Fall not observed. The MetBul says it was purchased November 2011 in Temara, Morocco, and also August 2012, location unspecified.


 


Cal writes:
From the MetBul:

... specimen composed of L5 chondrite clasts containing sparse chondrules within a shock-darkened matrix containing ragged, variably-sized grains of Fe-Ni metal. Olivine, orthopyroxene, clinopyroxene, sodic plagioclase, chromite, stained kamacite and troilite.

Shock stage: S4. Weathering grade: W1.


 


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