维嘉平顶海山富钴铁锰结壳空间分布特征:基于“蛟龙号”载人潜水器近海底观测资料的分析

doi:10.13745/j.esf.sf.2021.1.61

地学前缘 ›› 2021, Vol. 28 ›› Issue (6): 331-342.DOI: 10.13745/j.esf.sf.2021.1.61

维嘉平顶海山富钴铁锰结壳空间分布特征:基于“蛟龙号”载人潜水器近海底观测资料的分析

姚会强^1,2, 刘永刚^1,2, 张伙带^1,2, 梁东红¹, 任江波^1,2, 于淼^1,2, 邓希光^1,2, 何高文^1,2,*

1.广州海洋地质调查局自然资源部海底矿产资源重点实验室, 广东广州 510075;
2.南方海洋科学与工程广东省实验室(广州), 广东广州 511458;

收稿日期:2020-04-18 修回日期:2020-12-26 出版日期:2021-11-25 发布日期:2021-11-25
通讯作者: ^*何高文(1969—), 男,教授级高级工程师, 主要从事海洋矿产资源调查与评价工作。E-mail: hegaowen@163.com
作者简介:姚会强(1982—), 男,教授级高级工程师,主要从事海洋矿产资源调查与评价工作。E-mail: hqyao@163.com
基金资助:
中国大洋协会项目(DY135-C1-1-02, DY135-C1-1-01); 南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项项目(GML2019ZD0106); 中国地质调查局项目(DD20191009)

Distribution characteristics of cobalt-rich ferromanganese crust on the Weijia Guyot: Constraints from the human-occupied vehicle “Jiaolong submersible” near-bottom observation data

YAO Huiqiang^1,2, LIU Yonggang^1,2, ZHANG Huodai^1,2, LIANG Donghong¹, REN Jiangbo^1,2, YU Miao^1,2, DENG Xiguang^1,2, HE Gaowen^1,2,*

1. Ministry of Natural Resources Key Laboratory of Marine Mineral Resources, Guangzhou Marine Geological Survey, Guangzhou 510075, China;
2. Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China;

Received:2020-04-18 Revised:2020-12-26 Online:2021-11-25 Published:2021-11-25

摘要/Abstract

摘要： 基于对具有高精度水下定位功能的载人潜水器“蛟龙号”近海底观测视像资料数据的分析研究,本文首次报道了维嘉平顶海山山顶平台凸起区域、顶坡过渡带以及斜坡上部地形单元内的富钴结壳分布特征,对我国富钴结壳资源勘查评价具有重要意义。研究表明:(1)不同地形单元发育的富钴结壳具有明显不同的分布特征;(2)山顶平台凸起区发育有连续分布的富钴结壳,可作为我国富钴结壳资源勘查工作的关注区;(3)顶坡过渡带—斜坡上部区域发育有连续分布的富钴结壳,然而往往被白色波纹状沉积物隔成数段;(4)顶坡过渡带钴结核发育较少,与马尔库斯—威克海山群平顶海山存在明显的不同。

关键词: 富钴结壳, 维嘉平顶海山, “蛟龙号”载人潜水器(HOV);, 西太平洋

Abstract: In this paper we analyzed the near-bottom observation video data obtained from the human-occupied vehicle “Jiaolong submersible” that has the high-precision underwater positioning capability. We report for the first time the distribution characteristics of cobalt-rich ferromanganese crusts (CFC) in the raised areas of the mountaintop platform, the transition zone from the mountaintop platform to the summit of the mountainous terrane, and the upper part of the mountain slope in the Weijia Guyot. These findings have great significance in the exploration and exploitation of CFC resources in China and are summarized below. (1) There is obvious difference in the distribution characteristics of CFCs in different topographic units. (2) The raised areas of the mountaintop platform have an continuous CFC distribution and can be used as the key exploration target area. (3) CFCs also distribute widely in the transition zone and in the upper part of the mountain slope, but are often fragmented by corrugated white sediments. (4) Cobalt nodules are less developed in the transition zone, in contrast to the flat top seamounts in the Marcus-Wake Seamounts.

Key words: ferromanganese crust, Weijia Guyot, Jiaolong submarine (Human Occupied Vehicle), the western Pacific Ocean

中图分类号:

姚会强, 刘永刚, 张伙带, 梁东红, 任江波, 于淼, 邓希光, 何高文. 维嘉平顶海山富钴铁锰结壳空间分布特征:基于“蛟龙号”载人潜水器近海底观测资料的分析[J]. 地学前缘, 2021, 28(6): 331-342.

YAO Huiqiang, LIU Yonggang, ZHANG Huodai, LIANG Donghong, REN Jiangbo, YU Miao, DENG Xiguang, HE Gaowen. Distribution characteristics of cobalt-rich ferromanganese crust on the Weijia Guyot: Constraints from the human-occupied vehicle “Jiaolong submersible” near-bottom observation data[J]. Earth Science Frontiers, 2021, 28(6): 331-342.

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维嘉平顶海山富钴铁锰结壳空间分布特征:基于“蛟龙号”载人潜水器近海底观测资料的分析

Distribution characteristics of cobalt-rich ferromanganese crust on the Weijia Guyot: Constraints from the human-occupied vehicle “Jiaolong submersible” near-bottom observation data

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