The geochemistry of deepwater particulate matter over the hydrothermal field at 9A°d50' N (the East Pacific Rise)

被引：0

作者：

Lukashin, V. N. ^{[1
]}

Demina, L. L. ^{[1
]}

Gordeev, V. V. ^{[1
]}

Gordeev, V. Yu ^{[1
]}

机构：

[1] Russian Acad Sci, Shirshov Inst Oceanol, Moscow, Russia

来源：

OCEANOLOGY | 2012年 / 52卷 / 02期

关键词：

MID-ATLANTIC RIDGE; PARTICLE FLUXES; PLUME; 8-DEGREES-40'; SEA; 11-DEGREES-50'N; 13-DEGREES-N; ERUPTION;

D O I：

10.1134/S0001437012010146

中图分类号：

P7 [海洋学];

学科分类号：

0707 ;

摘要：

The results of geochemical studies of particulate matter in the water mass over the hydrothermal field at 9A degrees 50' N on the East Pacific Rise are presented. The particulate matter was tested in background waters, in the buoyant plume, and in the near-bottom waters. The contents of Si, Al, P, C-org, Fe, Mn, Cu, Zn, Ni, Co, As, Cr, Cd, Pb, Ag, and Hg were determined. No definite correlations were found between the ele-ments in the background waters. Many of the chemical elements correlated with Fe and associated with its oxyhydroxides in the buoyant plume. In the near-bottom waters, microelements are associated with Fe, Zn, and Cu (probably, to their sulfides formed under fluid mixing with seawater). The matter precipitated in a sed-imentation trap was similar to the near-bottom particulate matter in the elemental composition.

引用

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页码：271 / 283

页数：13

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