Assemblage of clay minerals at polymetallic nodules contract area in Northwest Pacific Ocean

被引：0
|
作者：
Wang Y. [1 ]
Lü S.-H. [1 ]
Su X. [1 ]
Li J.-Y. [2 ]
Li H.-M. [3 ]
Ren X.-W. [4 ]
机构：
[1] School of Ocean Sciences, China University of Geosciences, Beijing
[2] School of Ocean and Earth Science, Tongji University, Shanghai
[3] Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou
[4] First Institute of Oceanography, Ministry of Natural Resources, Qingdao
来源：
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals | 2021年 / 31卷 / 10期
关键词：
Clay minerals; Continental weathering; Dust input; Lower circumpolar deep water; Provenance;
D O I：
10.11817/j.ysxb.1004.0609.2021-37977
中图分类号：
学科分类号：
摘要：
In this paper, the surface sediments of 30 stations collected at the polymetallic nodules contract area in the Northwest Pacific (The abyssal seabed between Marcus-Wake and Magellan seamounts) during the COMAR 48th Cruise were studied, with a specific focus on the characteristics of composition, distribution and provenance of clay minerals. The results indicate that the illite is the most abundant mineral species, smectite is moderate, and kaolinite and chlorite are the lowest. Illite in study area is mainly derived from the input of Asian dust. Smectite may originate from continental weathering (Asian continent), seamount (weathering) autogenesis and smectite-rich currents (lower circumpolar deep water), the input of Asian dust may be one of the major sources of chlorite and kaolinite. © 2021, China Science Publishing & Media Ltd. All right reserved.
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页码：2696 / 2712
页数：16
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