吉林大学学报(地球科学版) ›› 2015, Vol. 45 ›› Issue (6): 1642-1656.doi: 10.13278/j.cnki.jjuese.201506108
程永寿1,2, 姜效典1, 宋士吉3, 孙思军2, 余佳2
Cheng Yongshou1,2, Jiang Xiaodian1, Song Shiji3, Sun Sijun2, Yu Jia2
摘要:
为能科学、快速量化地圈定出大洋海山钴结壳优质矿区,笔者基于国际海底管理局提出的矿区选取模型,利用我国西太平洋海山钴结壳资源调查的公开的拖网采样资料,综合钴结壳的分布规律和证据权法所得海山钴结壳资源预测后验概率图,将西太平洋麦哲伦海山区戈沃罗夫盖特平顶海山圈定为钴结壳资源前景较好的远景区,并采用人机交互式的矿区圈定方法圈定出符合国际海底管理局规章要求的7个群组共100个钴结壳矿块。据此估算出戈沃罗夫盖特平顶海山湿结壳资源量为69 487.6×104 t;圈定的100个矿块主要分布在2 000~3 000 m斜坡上,湿结壳资源量为14 092×104 t,干结壳资源量为9 789.35×104 t;锰金属量为1 961.3×104 t,铜金属量为10.17×104 t,钴金属量为54.06×104 t,镍金属量为34.87×104 t。这些数据表明,戈沃罗夫盖特平顶海山规模较大,钴结壳资源前景潜力大,可作为钴结壳深入调查和矿区申请备选海山。
中图分类号:
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