Parameters for the Formation of the Dobroe Gold Deposit (Yenisei Ridge, Russia): Evidence from Fluid Inclusions and S–C Isotopes

Elena Shaparenko; Nadezhda Gibsher; Margarita Khomenko; Anatoly Tomilenko; Anatoly Sazonov; Taras Bul’bak; Sergey Silyanov; Marina Petrova; Maria Ryabukha

doi:10.3390/min13010011

Minerals (Dec 2022)

Parameters for the Formation of the Dobroe Gold Deposit (Yenisei Ridge, Russia): Evidence from Fluid Inclusions and S–C Isotopes

Elena Shaparenko,
Nadezhda Gibsher,
Margarita Khomenko,
Anatoly Tomilenko,
Anatoly Sazonov,
Taras Bul’bak,
Sergey Silyanov,
Marina Petrova,
Maria Ryabukha

Affiliations

Elena Shaparenko: Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Nadezhda Gibsher: Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Margarita Khomenko: Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Anatoly Tomilenko: Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Anatoly Sazonov: Department of Geology, Mineralogy and Petrography, Siberian Federal University, 660041 Krasnoyarsk, Russia
Taras Bul’bak: Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Sergey Silyanov: Department of Geology, Mineralogy and Petrography, Siberian Federal University, 660041 Krasnoyarsk, Russia
Marina Petrova: Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
Maria Ryabukha: Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia

DOI: https://doi.org/10.3390/min13010011
Journal volume & issue: Vol. 13, no. 1
p. 11

Abstract

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The Dobroe deposit with 10 t gold reserves is one of the gold mines located within the Yenisei Ridge Orogenic Belt. The ore-forming conditions of orogenic gold deposits are have recently been widely discussed. A comprehensive study of fluid inclusions revealed that the Dobroe gold deposit was formed by water–carbon dioxide and carbon dioxide–hydrocarbon fluids within a temperature range of 180 to 360 °C, a pressure range of 0.8 to 1.3 kbar, and a salinity range of 1.5 to 15.0 wt.% (NaCl-equiv.). Gas chromatography–mass spectrometry showed that ore-forming fluids consisted of H2O, CO2, hydrocarbons, nitrogenated, sulfonated, and chlorinated compounds. The distribution patterns of δ13C in fluid inclusions (−11.3‰–−3.6‰) and δ34S in sulfides (1.9‰–17‰) of the Dobroe deposit indicate a crustal source for ore-bearing fluids.

Published in Minerals

ISSN: 2075-163X (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science: Geology: Mineralogy
Website: https://www.mdpi.com/journal/minerals

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