"NWA 13376" Sbilanciato LL3.4 Condrite Meteorite - 686 g

Descrizione
"NWA 13376" Sbilanciato LL3.4 Condrite Meteorite - 686 g
Marocco

METEORITE TYPE & CLASS / OFFICIAL NAME or NUMBER (Meteoritical Bulletin Database): "NWA 13376" - Unequilibrated LL3.4 Chondrite

FALL/FIND LOCATION: Morocco, North West Africa

WEIGHT: 686 g

Northwest Africa 13376 (NWA 13376)

Morocco

Find: 2018

Classification: Ordinary chondrite (LL3)

Petrography: (C. Herd and H. Shek, UAb) Optical and microprobe examination of a polished thin section shows well-defined chondrules in a clastic matrix. Several large and numerous small iron oxide veinlets are present throughout, and metal has been strongly oxidized. Shock effects include weak mosaicism and planar fractures in olivine.

Geochemistry: (C. Herd and H. Shek, UAb) Data obtained by EMP examination of carbon-coated thin section: Olivine Fa23.0±10.9, Cr2O3 = 0.07±0.09 (n=62); Low-Ca Pyroxene Fs11.5±7.2Wo0.8±0.6 (n=69).

Classification: Ordinary chondrite, LL3. Estimated subtype 3.4. based on standard deviation of olivine and low-Ca pyroxene analyses, and presence of chondrule glass.

The authenticity of this specimen is guaranteed by the member of the Global Meteorite Association G0043 and IMCA 5681.

Dettagli lotto
Minerale principale/ Nome meteorite
"NWA 13376" Sbilanciato LL3.4
Forma minerale/Tipi di meteorite
Condrite Meteorite
Peso
686 g
Provenienza (paese)
Marocco
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