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Questions tagged [hydrothermal-vents]

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2 votes
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Hexagonal phenocrysts with a metallic luster?

I recently realized that I am surrounded by interesting rocks. Having no background in geology nor geologist friends, I rely on online resources to navigate the intriguing stuff I stumble across. But ...
ben's user avatar
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5 votes
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What reactions change seawater composition in hydrothermal systems?

Reactions in ocean floor hydrothermal systems are a significant contributor to the mass balance of several major elements in the oceans, in particular magnesium, calcium, sodium, potassium and sulfate....
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10 votes
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What is the geochemical origin of carbon dioxide with the 'white smokers' of the Champagne Vent?

Associated with the NW Eifuku volcano, a small submarine volcano in Japan's Volcano Island chain in the Pacific Ocean is a carbon dioxide rich hydrothermal vents called white smokers by NOAA (see ...
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Differences between hydrothermal vents on Earth and Europa

Hydrothermal vents are common in areas subject to volcanic activity at the bottom of Earth's oceans. Meanwhile, hydrothermal vents are believed to exist on Jupiter's moon Europa and maybe in other ...
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6 votes
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What are the tallest hydrothermal vents in the world?

Hydrothermal vents are commonly found near active volcanic areas and provide for a rich and complex environment for many biological organisms (archaea, bacteria, tube worms...). Many new hydrothermal ...
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