NWA 4425 (CK3)


sc 1.39 g

Płytka kupiona w Ensisheim od Philippe THOMAS & Lea DEJOUY.

Name: NWA 4425
Location: Algeria
TKW: 579 g (1 piese; main mass)
Find: 2006
Classification: carbonaceous chondrite, CK3 (CK3.8)
NWA 4425 main mass

[Philippe THOMAS]

Date: 2006
Mass: 579 g, pieces: 1
Class: CK3 (CK3.8)
Shock stage: S2; weathering grade: W3
Fayalite (mol%): 0.54-34.05, ferrosilite (mol%): 2.77-38.24
Comment: Estimated subtype 3.8, contains an angular clast of type CK5 (OPX with 23.35±0.86% Fs) and a CAI with spinels of the size of a centimeter; chondrules are very big, 2.60-3.65% Cr2O3 and 0.87 in 1.15% MgO in the magnetite (domain of the CK3 cf R.C.Greenwood and al. LPSCXXXV).
Classified: M. Bourot-Denise, MNHNP; main mass, P. Thomas.
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