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SEM image

By Pacific Coastal and Marine Science Center
A scanning electron microscope image.
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Detailed Description

A scanning electron microscope image showing a gold particle (bright spot) collected from the boiling fluids from a hydrothermal vent. Scale bar is 25 micrometers.

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Public Domain.

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Boiling-induced formation of colloidal gold in black smoker hydrothermal fluids

Gold colloids occur in black smoker fluids from the Niua South hydrothermal vent field, Lau Basin (South Pacific Ocean), confirming the long-standing hypothesis that gold may undergo colloidal transport in hydrothermal fluids. Six black smoker vents, varying in temperature from 250 °C to 325 °C, were sampled; the 325 °C vent was boiling at the time of sampling and the 250 °C fluids were diffusely
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Related Content

Boiling-induced formation of colloidal gold in black smoker hydrothermal fluids

Gold colloids occur in black smoker fluids from the Niua South hydrothermal vent field, Lau Basin (South Pacific Ocean), confirming the long-standing hypothesis that gold may undergo colloidal transport in hydrothermal fluids. Six black smoker vents, varying in temperature from 250 °C to 325 °C, were sampled; the 325 °C vent was boiling at the time of sampling and the 250 °C fluids were diffusely
Authors
Amy Gartman, Mark Hannington, John W. Jamieson, Ben Peterkin, Dieter Garbe-Schönberg, Alyssa J Findlay, Sebastian Fuchs, Tom Kwasnitschka
By
Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center, Marine Minerals Laboratory, Deep Sea Exploration, Mapping and Characterization