Mineralogy, geochemistry and classification of the new smolenice iron meteorite from Slovakia

Milan Gargulák, Daniel Ozdín, Pavel P. Povinec, Stanislav Strekopytov, A. J. Timothy Jull, Ivan Sýkora, Vladimír Porubčan, Stefan Farsang

Research output: Contribution to journalArticlepeer-review


A single 13.95 kg mass of a slightly weathered iron meteorite was found in the forest near Smolenice (48°31.2'N, 17°23.9'E; Trnava County, Slovakia). The bulk chemical composition (in wt. %) is: Fe 88.78, Ni 8.16, Co 0.38, P 0.05, S<0.006 and (in μg/g): Ge<0.18, Ir 1.67, Ga 1.80, Cr 87.3, Cu 135.1, As 4.52, Mo 5.82, Sn 1.53, W 0.56, Re 0.18, Ru 3.56, Rh 0.90, Pd 4.12, Pt 5.35, Au 1.19, Zn<5, B<0.68, Pb<0.06. Bulk geochemistry, and Ni, Ga, Ge and Ir contents in particular suggest that the meteorite is an octahedrite belonging to the IVA group. The average thickness of kamacite lamellae is 0.22 mm, ranking it as fine octahedrite (Of). The mineral composition is simple, the most abundant minerals being iron (kamacite) (5.16-7.36 wt. % Ni) followed by taenite (16.73-33.93 wt. % Ni). Troilite nodules and daubréelite inclusions and thin veinlets are rare. The Widmanstätten pattern is uniform across the meteorite and plessite structure is developed locally. Analyses of cosmogenic radionuclides (14C and 26Al) indicate that the radius of the Smolenice meteorite could be 30±10 cm and its terrestrial age 11±2 kyr.

Original languageEnglish (US)
Pages (from-to)221-232
Number of pages12
JournalGeologica Carpathica
Issue number3
StatePublished - Jun 2020


  • Cosmogenic radionuclides
  • Fine octahedrite (Of)
  • Geochemistry
  • IVA group
  • Iron
  • Meteorite
  • Mineralogy
  • Slovakia
  • Smolenice

ASJC Scopus subject areas

  • Geology


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