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The Sychevka IIIAB iron meteorite: A new find from Russia

Alexander N. Krot, N. I. Zaslavskay, M. I. Petaev, Н. Н. Кононкова, G.M. Kolesov, Lydia D. Barsukova

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Abstract

Abstract— Sychevka is a relatively unweathered 65‐kg iron meteorite that was found in Russia in 1988. The microstructure, mineralogy and bulk composition of Sychevka as revealed by optical microscopy, electron microprobe and instrumental neutron activation analysis indicate that this meteorite is a group‐IIIAB medium octahedrite. Sychevka consists of (in vol%): kamacite (82.5), plessite (16), schreibersite (1.5), and rare grains of chromite and troilite.

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What this paper is about

Abstract— Sychevka is a relatively unweathered 65‐kg iron meteorite that was found in Russia in 1988. The microstructure, mineralogy and bulk composition of Sychevka as revealed by optical microscopy, electron microprobe and instrumental neutron activation analysis indicate that this meteorite is a group‐IIIAB medium octahedrite. Sychevka consists of (in vol%): kamacite (82.5), plessite (16), schreibersite (1.5), and rare grains of chromite and troilite.

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Available abstract

Abstract— Sychevka is a relatively unweathered 65‐kg iron meteorite that was found in Russia in 1988. The microstructure, mineralogy and bulk composition of Sychevka as revealed by optical microscopy, electron microprobe and instrumental neutron activation analysis indicate that this meteorite is a group‐IIIAB medium octahedrite. Sychevka consists of (in vol%): kamacite (82.5), plessite (16), schreibersite (1.5), and rare grains of chromite and troilite.

Key concepts: Troilite, Kamacite, Iron meteorite, Meteorite, Chromite, Neutron activation analysis, Electron microprobe, Geology

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