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NWA 12804 (38.84 gram)

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[ Meteoritical Bulletin Database ]

 

Classification: Ordinary chondrite LL7 S2/W1
Place/Time: 2018 in Algeria
Mass: 1200g

Physical characteristics:Greyish rock with some fusion crust.

Petrography: The meteorite displays a thoroughly recrystallized texture of dominantly olivine and orthopyroxene grains with relativey high Wo-contents. Plagioclase grains are up to 150 um in size. One relictic chondrule fragment has been found.

Geochemistry: Petrologic type 7 based on the equilibrated state of olivine and pyroxene, the large grain size of secondary plagioclase, and the high CaO concentration in low-Ca pyroxene.