Francesco Moser

Meteoritter Auktion

(NORTHWEST AFRICA 15243)
NWA15243
LL3 chondritmeteorit.
Fundet i februar 2022 i Mali.
 
5,18 gram endesnit.

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OFFICIELT KLASSIFIKATIONSDATAKILDE:

Petrografi: (A. Irving, UWS og J. Boesenberg, BrownU) Vel-formede ubalance­rede chondrules (tilsyneladende diameter 1240 ± 550 µm, N = 25) indeholdende devitrifieret glas er integreret i en fint kornet matrix indeholdende ændret kamacit, augit, kromit og troilit.

Geokemi: Olivin (Fa17.3±8.9, række Fa2.0-34.4, N = 16; Cr2O3 i ferroan olivin 0.03-0.22 wt.%, gennemsnit 0.11 wt.%, sd 0.07 wt.%, N = 23), lav-Ca pyroxen (Fs20.4±10.8Wo1.7±0.9, række Fs8.3-31.0Wo1.0-3.4, N = 7), subkalkisk augit (Fs7.1Wo32.3; Fs19.5Wo20.0; N = 2). Magnetisk susceptibilitet log χ (× 10-9 m3/kg) = 3,30.

Klassifikation: Ordinær chondrit (LL3).

(NORTHWEST AFRICA 15243)
NWA15243
LL3 Chondrite Meteorite.
Found in February 2022 in Mali.
 
5.18  Grams End-Cut.

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OFFICIAL CLASSIFICATION DATA SOURCE:

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).


NWA15243 LL3 kondritmeteoritt - 5.18 g

Udvalgt af Francesco Moser

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NWA15243 LL3 kornkondrit meteoritt fra Nordvestafrika, Mali, vægt 5,18 g.

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