chondrites is basically composed of two Fe-Ni minerals: kamacite, the α (BCC) phase, with ~5–7 at% Ni, and taenite...particles of ordinary chondrites, then dissolved kamacite in conc. HCl to obtain taenite-enriched samples...(L4) chondrites, using the above method, contain kamacite (the dominant phase) and small amounts of taenite...Fe50Ni50 taenite, antitaenite, and small amounts of kamacite/ martensite. The Al Kidirate sample contains ~50%...shock stage S3 (~15–20 GPa) reported for this meteorite [4]. The application of high field Mössbauer spectroscopy |