Phase separation in seafloor geothermal systems: An experimental study of the effects on metal transport
American Journal of Science
By: James L. Bischoff and Robert J. Rosenbauer
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Abstract
Experimental investigations were carried out by reacting natural and evolved sea-water with crystalline basalt from the Juan de Fuca Ridge in order to study the effects of vapour-liquid phase separation on metal mobilization in sea-floor geothermal systems in which phase separation occurs between the top of a magma chamber (300-500 bar) and the sea-floor (230-250 bar). The geochemical processes produced by a combination of closed-system phase separation and adiabatic expansion under the conditions characterizing the sea-floor geothermal systems resulted in a significant increase in the acidity and concentration of heavy metals in the liquid phase and strikingly high concentrations of metals in the vapour.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Phase separation in seafloor geothermal systems: An experimental study of the effects on metal transport |
| Series title | American Journal of Science |
| DOI | 10.2475/ajs.287.10.953 |
| Volume | 287 |
| Issue | 10 |
| Year Published | 1987 |
| Language | English |
| Publisher | American Journal of Science |
| Description | 26 p. |
| First page | 953 |
| Last page | 978 |
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