Morphological Species of Gold in Minerals and Mine Waste in the Weathered Crust
N. F. USMANOVA1,2, V. I. BRAGIN1,2, A. M. ZHIZHAEV1, E. N. MERKULOVA1, YU. YU. FISENKO3
1Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, ul. Akademgorodok 50, Bld. 24, Krasnoyarsk, 660036 Russia
2Siberain Federal University, pr. Svobodnyi 79, Krasnoyarsk, 660041 Russia
3ESTAGEO Center, pr. Leninskii 6, Bld. 1, Moscow, 119049 Russia
Keywords: Weathered crust, gold morphology, mining waste
Abstract
The article describes studies into morphology of gold in the initial ore and mining-generated silt in the weathered crust of the Yenisei Range using the methods of optical and electron microscopy. The authors have determined sizes and shapes of gold grains, nature of intergrowth of gold, ore and rock-forming minerals, and microadmixtures characteristic to free gold particles discovered in the initial ore and in old tailings pond.
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