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    钴结壳矿区圈定和资源评价的参数指标

    张富元 章伟艳 朱克超 胡光道 殷汝广 程永寿

    张富元, 章伟艳, 朱克超, 胡光道, 殷汝广, 程永寿, 2008. 钴结壳矿区圈定和资源评价的参数指标. 地球科学, 33(2): 251-258.
    引用本文: 张富元, 章伟艳, 朱克超, 胡光道, 殷汝广, 程永寿, 2008. 钴结壳矿区圈定和资源评价的参数指标. 地球科学, 33(2): 251-258.
    ZHANG Fu-yuan, ZHANG Wei-yan, ZHU Ke-chao, HU Guang-dao, YIN Ru-guang, CHENG Yong-shou, 2008. Parameter and Index for Delineation and Evaluation of Co-Rich Crust Resources. Earth Science, 33(2): 251-258.
    Citation: ZHANG Fu-yuan, ZHANG Wei-yan, ZHU Ke-chao, HU Guang-dao, YIN Ru-guang, CHENG Yong-shou, 2008. Parameter and Index for Delineation and Evaluation of Co-Rich Crust Resources. Earth Science, 33(2): 251-258.

    钴结壳矿区圈定和资源评价的参数指标

    基金项目: 国家科技部项目(Nos2004DIB3J086, 2006FY220400); 国家自然科学基金项目(No40676061); 中国大洋协会(NoDY105-01-01-05)
    详细信息
      作者简介:

      张富元(1952-), 男, 研究员, 主要从事海洋地质研究和海洋矿产资源评价.E-mail: fyzhang2003@163.com

    • 中图分类号: P628;P744

    Parameter and Index for Delineation and Evaluation of Co-Rich Crust Resources

    • 摘要: 大洋海山钴结壳集海洋资源和环境双重信息, 各国对它的调查研究方兴未艾.钴结壳资源勘查的最终目的是圈定钴结壳矿区和开发钴结壳资源.迄今为止, 国内外尚未就钴结壳矿区圈定和资源评价给出具体的参数指标, 基于我国近十年对西太平洋26座海山钴结壳资源调查, 结合太平洋环境资料, 在深入分析钴结壳厚度、丰度、品位、覆盖率、资源量、面积, 海山坡度和水深资料的基础上, 对13座重点海山进行了钴结壳矿区圈定、资源评价和钴结壳分布规律的系统研究, 进而提出圈定钴结壳矿区的八项重要参数指标: 钴结壳矿区的结壳厚度为≥3cm或≥4cm, 取决于海山具体地理位置; 水深为≤2500m或≤3000m;Co含量为≥0.50%或≥0.60%;丰度为≥60kg/m2或≥70kg/m2; 坡度为≤15°; 结壳覆盖率为≥30%;钴结壳矿区的申请面积为17000~20000km2, 矿区最终保留面积为5000~6000km2.钴结壳矿区8项参数指标的提出, 将有力地促进大洋钴结壳矿区圈定、资源量计算和资源评价工作, 为我国积极参与联合国海底管理局制定钴结壳资源开发利用规章制度提供量化参考指标.

       

    • 图  1  西太平洋钴结壳资源研究区示意图

      1.麦哲伦海山区; 2.马尔库斯-威克海山区; 3.马绍尔群岛; 4.中太平洋海山区; 5.莱恩群岛

      Fig.  1.  Sketch of study area of cobalt crust resources in the Western Pacific

      图  2  研究区板状结壳厚度频率分布

      Fig.  2.  Frequency distribution of the laminated crust thickness in study area

      图  3  约翰斯顿岛钴结壳Co含量频率分布

      Fig.  3.  Frequency distribution of Co contents of Johnston Island

      图  4  研究区钴结壳Co含量频率分布

      Fig.  4.  Frequency distribution of Co contents in study area

      图  5  麦哲伦海山区CHA06钴结壳Co、P含量垂直变化

      Fig.  5.  Vertical changes of Co and P contents of CHA06 sample from Maggellan Seamounts

      图  6  研究区海山坡度与水深、丰度关系

      Fig.  6.  Relationship between seamount slopes and water depths, abundances in study area

      表  1  研究区海山水深与钴结壳丰度、Co含量关系

      Table  1.   Relationship between seamount water depths and abundances, Co contents of crusts in study area

      表  2  麦哲伦海山区海底照相得出不同水深段的钴结壳覆盖率

      Table  2.   Crust coverages photographed by bottom camera from different water depths in Maggellan Seamounts

      表  3  钴结壳矿区和多金属结核矿区对比

      Table  3.   Comparison between cobalt crust deposit and polymetallic nodule deposit

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    • 收稿日期:  2007-05-25
    • 刊出日期:  2008-03-25

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