Cosmogenic Substances in the Zhamanshin Crater

T. A. Gornostaeva; A. V. Mokhov; P. M. Kartashov; O. A. Bogatikov

doi:10.1134/S1028334X18020034

Cosmogenic Substances in the Zhamanshin Crater

Authors: Gornostaeva T.A.¹, Mokhov A.V.¹, Kartashov P.M.¹, Bogatikov O.A.¹
Affiliations:
1. Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry
Issue: Vol 478, No 2 (2018)
Pages: 204-207
Section: Geochemistry
URL: https://journals.rcsi.science/1028-334X/article/view/192254
DOI: https://doi.org/10.1134/S1028334X18020034
ID: 192254

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Abstract

Using high-resolution analytical electron microscopy, heterogeneous fragments of cosmogenic substances, such as nickelphosphide Ni₃P and the unnamed intermetallide ZnAl₂, are detected for the first time for a large meteorite crater, the Zhamanshin circular structure. Due to the impossibility of simultaneous finding these phases in the same meteorite, an assumption is made on the cometary nature of the impactor of the Zhamanshin crater.