Gold-quartz and antimony mineralization in the Maltan deposit in Northeast Russia

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• 作者：V. Yu. Fridovsky (1)
  G. N. Gamyanin (2) (3)
  L. I. Polufuntikova (1)
  
• 关键词：structural analysis ; deformations ; ore zones ; gold ; quartz and antimony ore generation ; mineral associations ; ore generation stages ; localization conditions ; Northeast Russia
• 刊名：Russian Journal of Pacific Geology
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：8
• 期：4
• 页码：276-287
• 全文大小：5,323 KB
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• 作者单位：V. Yu. Fridovsky (1)
  G. N. Gamyanin (2) (3)
  L. I. Polufuntikova (1)
  
  1. M.K. Ammosov Northeastern Federal University, ul. Belinskogo 58, Yakutsk, 677000, Russia
  2. Institute of the Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, Staromonetnyi per. 35, Moscow, 119017, Russia
  3. Institute of the Geology of Diamonds and Noble Metals, Siberian Branch, Russian Academy of Sciences, pr. Lenina 39, Yakutsk, 677980, Russia
  
• ISSN：1819-7159

文摘

The interrelations of gold-quartz and antimony mineralization in long-living tectonic zones of the Maltan deposit (Northeast Russia) have been examined. It has been demonstrated that the orogenic gold-quartz mineralization is confined to interlayered lengthwise thrusts, splay fault zones, and quartz veins and threads. The antimony mineralization, as the gold one, developed within the same structures during secondary reactivation in strike-slip tectonic stress fields. Index microstructure markers that were formed in antimony ores and the host rocks typical for multistage deformation processes have been described. The mineral associations and typomorphic features of the minerals of the gold and antimony ore-forming stages have been studied. The Maltan deposit was found to be similar to the typical large Au-Sb Sarylakh deposit of the Adycha-Taryn zone. The voluminous and extensive effect of the mineral-forming fluid of the antimony oregenerating stage on the early mineral matrix of low-sulphide gold-quartz paragenesis has been demonstrated.