DBPapers
DOI: 10.5593/SGEM2014/B11/S1.050

WHISKERS AND SPHEROCRYSTALS, AS RARE FORMS OF NATIVE GOLD FROM OCCURRENCE NIYAKHOYSKOE-2 IN THE POLAR URALS, RUSSIA

T. Mayorova, T. Arteyeva, V. Philippov
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-07-0 / ISSN 1314-2704, June 19-25, 2014, Book 1, Vol. 1, 375-380 pp

ABSTRACT
The study is devoted to the problem of mineralogy gold-bearing weathering crusts and oxidation zones on the Niyakhoyskoe-2 ore occurrence in the Polar Urals. Along with the typical gold crystals and anhedral particles electron-microscopic analysis showed rare and unique forms of gold – whiskers and spherocrystals in oxidized ore. The structure of whiskers and their aggregates is described in the paper. Electronmicroscopic and X-ray analysis’ data allowed to determine "spherical" gold particles as spherocrystals formed as a result of continuous splitting of whiskers. Gold whiskers and spherocrystals are new growth in conditions of oxidized ores.

Keywords:gold, whiskers, spherocrystals, the Polar Urals.

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