Uptake and transport of heavy metals by heated seawater: A summary of the experimental results

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Abstract

In general, the chemistry of seawater experimentally reacted with basalt is in accord with the observed chemistry of the 350°C vent waters from 21°N on the East Pacific Rise. Experiments at 350°C, 500 bar, and a water/rock ratio of ≤10 reproduce most of the major components in the vent waters, in particular the low Mg and SO4 and high Si02, Ca, and K. In comparison with the vent waters however the experimental fluids are deficient in H+ and heavy metals. Experiments with natural and evolved seawater (Mg and SO4 depleted) at ≥400 C and 500 bars or 375°C and ~375 bars under rock-dominated conditions more closely reproduce the vent-water chemistry.

Publication type Book chapter
Publication Subtype Book Chapter
Title Uptake and transport of heavy metals by heated seawater: A summary of the experimental results
DOI 10.1007/978-1-4899-0402-7_9
Year Published 1983
Language English
Publisher Springer Link
Contributing office(s) Pacific Coastal and Marine Science Center
Description 21 p.
Larger Work Type Book
Larger Work Subtype Monograph
Larger Work Title Hydrothermal processes at seafloor spreading centers
First page 177
Last page 197
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