NWA 15243 LL3 météorite chondrite Météorite de Chondrite - 47.6 g - (1)

NWA 15243

LL3 Chondrite meteorite
Found in February 2022 in Mali.
47.6 Grams End-Cut.

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Official classification data source,
Meteoritical Bulletin Database.

Northwest Africa 15243
Classification: Ordinary chondrite (LL3).
Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed unequilibrated chondrules (apparent diameter 1240 ± 550 µm, N = 25) containing devitrified glass are set in a fine grained matrix containing altered kamacite, augite, chromite and troilite.

Geochemistry: Olivine (Fa17.3±8.9, range Fa2.0-34.4, N = 16; Cr2O3 in ferroan olivine 0.03-0.22 wt.%, mean 0.11 wt.%, sd 0.07 wt.%, N = 23), low-Ca pyroxene (Fs20.4±10.8Wo1.7±0.9, range Fs8.3-31.0Wo1.0-3.4, N = 7), subcalcic augite (Fs7.1Wo32.3; Fs19.5Wo20.0; N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.30.

Classification: Ordinary chondrite (LL3).


Data from:
MB111
Table 0
Line 0:
Place of purchase: Mali
Date: P 2022 Feb
Mass (g): 2685
Pieces: many
Class: LL3
Shock stage: S2
Weathering grade: W2
Fayalite (mol%): 17.3±8.9
Ferrosilite (mol%): 20.4±10.8
Wollastonite (mol%): 1.7±0.9
Magnetic suscept.: 3.30
Classifier: A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g): 39.7
Type spec location: UWB