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1 results

  • Two types of metal particle in the Bachmut (L6) chondritic meteorite

  • V. P. Semenenko, L. G. Samoilovich, B. V. Tertichnaya
  • Journal:
    Mineralogical Magazine / Volume 50 / Issue 356 / June 1986
    Published online by Cambridge University Press:
    05 July 2018, pp. 317-322

  • Metal particles in the Bachmut chondrite may be subdivided into large (hundreds of μm in size) and small (1–10 µm in size) varieties. They differ in the ratio of their constituent phases, in structure, and in chemical composition. Large particles are richer in Ni than small ones, the latter being characterized by an abnormally high Cu content. It is suggested that different pre-accretion histories were responsible for producing the various types of metal grains, and that, during post-accretion thermal history, temperatures were too low to cause elemental redistribution among the grains.