Analyses of Rumanová meteorite

• DOI: 10.1007/s10751-013-0918-2
• Publication Date: 2013-12-09T07:22:18Z
• Authors: J. Lipka; J. Sitek; J. Dekan; K. Sedlačková
• Keywords: Kamacite; Maghemite; Troilite; Pyroxene; Achondrite; Laterite

Mossbauer spectroscopy was used as an analytical tool in investigation of iron containing compounds of Rumanova meteorite found on Slovak territory and it was classified as chondrite H. The results showed that the Mossbauer spectra consist of magnetic and non-magnetic components related to different iron-bearing phases. In non-magnetic part, olivine, pyroxene, and traces of Fe 3+ phases have been identified. The magnetically ordered part of the Rumanova meteorite spectrum consists of kamacite, troilite and the third additional component corresponds to hydroxides originating from weathering due to being long time on the Earth surface. The weathering products can be recognised mainly as maghemite, however traces of other weathering components as akagaenite, goethite and magnetite cannot be excluded. On the contrary to Rumanova, no weathering products have been found in the sample of Kosice meteorite which fell on the territory of Slovakia in February 2010 and has been investigated a few months after the fall.