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Dissolved and particulate trace metals in hydrothermal plumes at the Mid?Atlantic Ridge

James, R.H. and Elderfield, H. (1996) Dissolved and particulate trace metals in hydrothermal plumes at the Mid?Atlantic Ridge Geophysical Research Letters, 23, (23), pp. 3499-3502. (doi:10.1029/96GL01588).

Record type: Article

Abstract

Seawater samples from the non?buoyant plume have been collected at the TAG (26°N) and Snakepit (23°N) hydrothermal sites on the Mid?Atlantic Ridge (MAR), and analysed for dissolved (<0.4 µm) and particulate (>0.4 µm) trace metals. Up to 50% of vent fluid Fe is present in the <0.4 µm fraction in the non?buoyant plume. Increases in particulate concentrations of Cd are accompanied by a reduction in dissolved Cd to levels below ambient seawater. We show that dissolved Cd is scavenged from seawater in the buoyant section of the plume while Cd re?dissolves from the particles in the non?buoyant plume. Up to 43% of hydrothermally injected Cu is found in the <0.4 µm fraction in the non?buoyant plume.

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Published date: 1996
Organisations: Marine Geoscience

Identifiers

Local EPrints ID: 210255
URI: http://eprints.soton.ac.uk/id/eprint/210255
ISSN: 0094-8276
PURE UUID: a0a3526b-56d7-4e6c-ac7f-ca592d9984ed

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Date deposited: 07 Feb 2012 12:05
Last modified: 18 Jul 2017 10:45

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Contributors

Author: R.H. James
Author: H. Elderfield

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