Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough

Qiannan Hu; Xin Zhang; Fuqing Jiang; Bing Wang; Zhendong Luan; Chang’an Chen; Jun Yan

doi:10.1007/s00343-017-6035-3

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Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough

OriginalPaper | Updated：2023-05-16

- Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough
- Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough
- 海洋湖沼学报（英文） 2017年35卷第4期页码：947-955
- Affiliations：
  
  1. Key Laboratory of Marine Geology and Environment Institute of Oceanology Chinese Academy of Sciences
  2. Laboratory for Marine Geology Qingdao National Laboratory for Marine Science and Technology
  3. University of Chinese Academy of Sciences
- Author bio：
- Funds：
  
  Supported by the Strategic Priority Research Program of the Chinese Academy of Sciences (Nos. XDA11030301, XDA11040301)
- DOI：10.1007/s00343-017-6035-3
  中图分类号：
- 网络首发：2016-08-12，
  
  纸质出版：2017
- Accepted：
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Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough[J]. 海洋湖沼学报（英文）, 2017,35(4):947-955.

Hu, Q., Zhang, X., Jiang, F. et al. Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough., Chin. J. Ocean. Limnol. 35, 947–955 (2017). https://doi.org/10.1007/s00343-017-6035-3
Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough[J]. 海洋湖沼学报（英文）, 2017,35(4):947-955. DOI： 10.1007/s00343-017-6035-3.

Hu, Q., Zhang, X., Jiang, F. et al. Geochemical characteristics of hydrothermal sediments from Iheya North Knoll in the Okinawa Trough., Chin. J. Ocean. Limnol. 35, 947–955 (2017). https://doi.org/10.1007/s00343-017-6035-3 DOI：

摘要

Abstract

Thirty sediment subsamples were recovered from the Iheya North hydrothermal field (with an average of 38 m away from the hydrothermal vent) in the middle Okinawa Trough. Samples were obtained by the ROV (Remote Operated Vehicle) Faxian during the virgin cruise of the R/V Kexue in 2014 with the application of push cores. The chemical compositions of the sediments show that the hydrothermal sediments near the hydrothermal vent are mainly composed of SO3

ZnO and Fe2O3. Moreover

the hydrothermal sediments are also highly enriched in Pb

Mo and Cd comparing with previous analysis results. On the other hand

the concentrations of Sr

Hg and Ag in studied sediments are strongly and positively correlated

these elements can be used as an hydrothermal indicator. In addition

a factor analysis of the sediments suggested that the sediments were mainly influenced by hydrothermal origin

and terrestrial and biogenic input are limited in studied area. It is also suggested that different stages of crystallization were involved in the formation of hydrothermal chimney from factor analysis.

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references

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