Sedimentary characteristics and cobalt-rich crust resource potential of Weijia Guyot in the Western Pacific Ocean

ZHAO Bin; LÜ Wenchao; ZHANG Xiangyu; HE Gaowen; YANG Yong; WEI Zhenqun; MA Weilin; DENG Yi'nan

2020 Vol. 39, No. 1

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ZHAO Bin, LÜ Wenchao, ZHANG Xiangyu, HE Gaowen, YANG Yong, WEI Zhenqun, MA Weilin, DENG Yi'nan. Sedimentary characteristics and cobalt-rich crust resource potential of Weijia Guyot in the Western Pacific Ocean[J]. Geological Bulletin of China, 2020, 39(1): 18-26.

Citation:

Sedimentary characteristics and cobalt-rich crust resource potential of Weijia Guyot in the Western Pacific Ocean

1.
Key Laboratory of Marine Mineral Resources, Ministry of Natural Resources, Guangzhou 510075, Guangdong, China
2.
Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou), Guangzhou 511458, Guangdong, China
3.
China Geological Survey, Beijing 100037, China
4.
Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, Zhejiang, China

Received Date: 03 June 2019

Revised Date: 03 September 2019

Publish Date: 25 January 2020

Abstract

Abstract

Based on the subbottom profiles, DSDP drilling and related studies, the authors studied sedimentary environment, deposition history, sediment thickness and cobalt-rich crust resource potential of Weijia Guyot in the Western Pacific Ocean. The main conclusions are as follows:there are mainly three types of reflection characteristics on the top of the Weijia Guyot, which represent three sedimentary units; there are three depositional centers and four depositional rarefaction areas on the top of Weijia Guyot, and dcpositional rarefaction or basement outcrop areas have good crust metallogcnic conditions; the depositional anomaly area in the eastern center was related to the second volcanic activity during Eocene. This study has a very important guiding significance for the future exploration of cobalt-rich crust resources on the Weijia Guyot.
- Western Pacific Ocean /
- Weijia Guyot /
- subbottom profile /
- sedimentary characteristics /
- cobalt-rich crust

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References

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