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NWA 7132

 

NWA 7132

Found Sahara, 2010

Stony-Iron

Mesosiderite Type A

Specimen is a 2.03g slice

 

From the MetSoc Database (official) :

Petrography: Equal distribution of metal clumps (35 vol%), noritic diogenite (orthopyroxene and plagioclase) clasts (60 vol%), some with recrystallized margins, and large (to 5 mm) olivine xenoliths (dunitic) mantled by eucritic melt crystallization (5 vol%).

Geochemistry: Olivine Fa13.3, Fe/Mn=44; orthopyroxene Fs31.2-33.4, Fe/Mn=28; plagioclase An93; metal Ni=5.2-13.3 wt %.

Classification: Mesosiderite (with dunite and and noritic diogenite clasts).

12000元台幣



 
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