NWA 1757

All recent falls from Northwest Africa and many rare meteorites...

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NWA 1757 (CO3.5, S1, W3) Meteoritical Bulletin #87


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Northwest Africa 1757
Morocco-Algeria border
Found: 2001
Carbonaceous chondrite (CO3.5)

Mass (g): 361
Pieces: 1
Class: CO3.5
Shock stage: S1
Weathering grade: W3
Fayalite (mol%): 0.5-51.8
Ferrosilite (mol%): 1.04-30.18

Info: Classified: M. Bourot-Denise, MNHNP; main mass, P. Thomas.

Comments: ~30% matrix, many small CAIs

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