| HE Gaowen,MA Weilin,SONG Chengbing,YANG Shengxiong,ZHU Benduo,YAO Huiqiang,JIANG Xunxiong,CHENG Yongshou. 2011. Distribution characteristics of seamount cobalt-rich ferromanganese crusts and the determination of the size of areas for exploration and exploitation. Acta Oceanologica Sinica, (3):63－75 |
| Distribution characteristics of seamount cobalt-rich ferromanganese crusts and the determination of the size of areas for exploration and exploitation |
| Distribution characteristics of seamount cobalt-rich ferromanganese crusts and the determination of the size of areas for exploration and exploitation |
| Received:March 10, 2011 Revised:April 18, 2011 |
| DOI：10.1007/s13131-011-0120-9 |
| Key words:cobalt-rich ferromanganese crusts exploration and exploitation area seamounts regulation on exploration |
| 中文关键词: cobalt-rich ferromanganese crusts exploration and exploitation area seamounts regulation on exploration |
| 基金项目:China International Seabed Area R & D Program under contract No. DYXM-115-01-1 |
| Author Name | Affiliation | E-mail | | HE Gaowen | Guangzhou Marine Geological Survey, Guangzhou 510075, China | hgw@hydz.cn | | MA Weilin | Second Institute of Oceanography, State Ocean Administration, Hangzhou 310012, China | | | SONG Chengbing | China Ocean Mineral Resources R & D Association, Beijing 100860, China | | | YANG Shengxiong | Guangzhou Marine Geological Survey, Guangzhou 510075, China | | | ZHU Benduo | Guangzhou Marine Geological Survey, Guangzhou 510075, China | | | YAO Huiqiang | Guangzhou Marine Geological Survey, Guangzhou 510075, China | | | JIANG Xunxiong | Beijing General Research Institute of Mining & Metallurgy, Beijing 100070, China | | | CHENG Yongshou | National Marine Information Center, Tianjin 300171, China | |
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| Abstract: |
| In 2001, the International Seabed Authority (ISBA) initiated the consideration relating to the Regulations for Prospecting and Exploration for Hydrothermal Polymetallic Sulphides and Cobalt-rich Ferromanganese Crusts in the Area at its 7th session. Since then, the consideration of the Regulations has been mainly focused on the size of areas to be allocated for exploration and exploitation of the crusts. This paper, based on the investigation data and the analysis of the distribution characteristics of the crusts, suggests a model for determining the size of areas for exploration and exploitation of the crusts, taking into account various factors such as production scale, crust thickness and grade, mineable area proportion, recovery efficiency, exploration venture, and so on. Through the modeling, the paper suggests that the exploration area (the area covered by each application for approval of a plan of work for exploration of cobalt-rich crusts) shall be 4 856 km2 and the exploitation area (the mine site area) shall be 1 214 km2, for 20 years of 1 million wet tonnes annual production. |
| 中文摘要: |
| In 2001, the International Seabed Authority (ISBA) initiated the consideration relating to the Regulations for Prospecting and Exploration for Hydrothermal Polymetallic Sulphides and Cobalt-rich Ferromanganese Crusts in the Area at its 7th session. Since then, the consideration of the Regulations has been mainly focused on the size of areas to be allocated for exploration and exploitation of the crusts. This paper, based on the investigation data and the analysis of the distribution characteristics of the crusts, suggests a model for determining the size of areas for exploration and exploitation of the crusts, taking into account various factors such as production scale, crust thickness and grade, mineable area proportion, recovery efficiency, exploration venture, and so on. Through the modeling, the paper suggests that the exploration area (the area covered by each application for approval of a plan of work for exploration of cobalt-rich crusts) shall be 4 856 km2 and the exploitation area (the mine site area) shall be 1 214 km2, for 20 years of 1 million wet tonnes annual production. |
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