NWA 2976 Anomalous Achondrite

Paired with NWA 011, 2400, 2976, 4587 and 4901.


This anomalous achondrite is composed of coarse pyroxene set in fine grained recrystallized plagioclase.  Some relict plagioclase is present as well as other minor minerals.  The pyroxene is pigeonite with exsolution lamellae of augite.  Interesting texture.  Low shock.  Low weathering.  TKW 219 grams plus pairings.





Pyroxene set in fine grained recrystallized plagioclase





Relict plagioclase is present.





Pyroxene with exsolved augite lamellae