Seafloor hydrothermal activity and polymetallic sulfide exploration on the southwest Indian ridge

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• 作者：Chunhui Tao (1)
  Huaiming Li (1)
  Xiaobing Jin (1)
  Jianping Zhou (1) (2)
  Tao Wu (1)
  Yonghua He (1)
  Xianming Deng (1)
  Chunhua Gu (1)
  Guoyin Zhang (1)
  Weiyong Liu (1)
  
• 关键词：Ultraslow spreading ridge ; Southwest Indian ridge ; Seafloor hydrothermal activity ; Polymetallic sulfide ; Chinese cruise
• 刊名：Chinese Science Bulletin
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：59
• 期：19
• 页码：2266-2276
• 全文大小：
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• 作者单位：Chunhui Tao (1)
  Huaiming Li (1)
  Xiaobing Jin (1)
  Jianping Zhou (1) (2)
  Tao Wu (1)
  Yonghua He (1)
  Xianming Deng (1)
  Chunhua Gu (1)
  Guoyin Zhang (1)
  Weiyong Liu (1)
  
  1. Key Laboratory of Submarine Geosciences, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, 310012, China
  2. Faculty of Resources, China University of Geosciences, Wuhan, 430074, China
  
• ISSN：1861-9541

文摘

Polymetallic sulfides have attracted more attentions, which are regarded as one of the potential seabed mineral resources for their high grade of precious metal elements such as Cu, Zn, Pb, Au, and Ag. Since 2007, there are four China dayang cruises (CDCs) with eight legs totally, which have been carried out to investigate polymetallic sulfides on the southwest Indian ridge (SWIR), and eight hydrothermal vents have been found. In 2011, the China Ocean Mineral Resources Research and Development Association (COMRA) and International Seabed Authority (ISA) signed a 15-year contract for exploration for polymetallic sulfides located on the SWIR between 46°S and 53°S. The area allocated to the COMRA is approximately 10,000?km2. In this paper, we review the recent research advances about hydrothermal activity of the SWIR by the CDCs. As for the sulfides exploration in the future, some aspects should be emphasized, such as the controlling factors of sulfide mineralization on the SWIR, prospecting methods of inactive and buried sulfide deposits, sulfides resources assessment method, and the near-bottom sulfides exploration technology systems.