L3 NWA 15160

NWA 15160

Northwest Africa 15160 (NWA 15160)

Place of discovery: Algeria

Purchased: 2021

Classification: Ordinary chondrite (L3)

History: Found in 2021 in Algeria, in the Tindouf area. Bought by Isabelle Pothier from Yunès Chaoui in Morocco.

Physical characteristics: Dark stone. Cut surface reveals gray chondrules set in a darker matrix.

Petrography: (J. Gattacceca, CEREGE) Chondrite with ~700 µm packed chondrules. Opaque minerals are Fe,Ni metal and troilite, mostly as compound rounded grains about 250 µm in size.

Geochemistry: Olivine 19.7±4.4, range Fa8.3-23.1, Cr2O3 0.13±0.18 wt% (n=13). Low-Ca pyroxene Fs9.7±6.0Wo1.1±1.1 (n=6).

Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier.

Mass (g): 262.7

Pieces: 3

Class: L3

Weathering grade: W0

Classifier: J. Gattacceca, CEREGE


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