23 - Seymchan Pallasite Meteorite Full Slice, PMG

Seymchan Pallasite Meteorite Full Slice, PMG This Seymchan full slice is cut from the iron-dominant zone of the mass, presenting no olivine. The Widmanstätten pattern reads across the entire face without interruption. Kamacite bands are sharply delineated throughout, the geometric interlocking structure is consistent from edge to edge, and there is no significant oxidation compromising the etched surface. The specimen is large enough that the crystal geometry registers at a glance rather than requiring close inspection. Weight: ca. 2 kilo. LOCATION: Magadan Oblast of eastern Russia (62°54′N 152°26′E) Size: ca. 36 x 34 x 0.3 cm. PROVENANCE: German Private Collection. This meteorite comes with a certificate of meteorite identification from the University of Alberta and is signed by dr. Christopher Herd, professor and curator of the University of Alberta Meteorite Collection. NOTE: – Seymchan was found in June 1967 by geologist F. A. Mednikov in the dry bed of the Hekandue river, a left tributary of the Yasachnaya in Magadan Oblast, Russia. The main mass of 272.3 kg was recovered during a geological survey. A second specimen of 51 kg was located nearby in October 1967. Both masses were turned over to the Academy of Sciences of the USSR. The meteorite was first recorded as an iron in Meteoritical Bulletin 43 (1968), later catalogued as IIE and then as an ungrouped iron.