Sentences with phrase «hydrothermal fluids»

Hydrothermal fluids are simply hot water (hydro) that contains dissolved minerals (thermal) and exists underground. Full definition
As the hot hydrothermal fluid flows through this mud, it «cooks» organic material, forming methane (natural gas) and oil - like hydrocarbons.
Marbles in metamorphic aureoles and iron - rich skarns appear to be favored sites for gold mineralization in these deposits, perhaps due to the rheological character, permeability after fracturing, and chemical reactivity of those rocks to alteration by hydrothermal fluids.
They hypothesize that hot hydrothermal fluids migrating upward through the thick sediments of the Pescadero Basin «cook» organic matter in the sediment, converting it into petroleum - like hydrocarbons — a process that has been observed at several other vents in the Pacific.
The ascending hydrothermal fluids probably trigger local melting in the ice layer of the polar region.
This allows magma and hydrothermal fluids originating in the mantle to intrude into Lusi's sediments, which triggers massive reactions and creates gas that generates high pressure below Earth's surface.
Russell and his co-authors describe how the interactions between the earliest oceans and alkaline hydrothermal fluids likely produced acetate (comparable to vinegar).
Located at 2350 meters» depth on the Mid-Cayman Rise, hydrothermal fluids emanate from the Von Damm vent field at temperatures as high as 226 °C (439 °F).
Direct Dry Steam Steam plants use hydrothermal fluids that are primarily steam.
The UCSB scientists are making new contributions to this field of inquiry in their studies of seafloor hydrothermal fluid discharge into the Earth's oceans, which has been occurring ever since the oceans first formed four billion years ago.
«Hot hydrothermal fluids, similar to those fluids that we find today in modern seafloor Black Smoker systems, transported dissolved gold and formed oil - in - water emulsions at the site of the deposits.
Carbon was then absorbed onto the edges of these minerals during the circulation of hydrothermal fluids, giving a false impression of carbon - rich cell - like walls.
At certain hotspots, the hydrothermal fluids vent back into the ocean.
Studying the connection of these two systems could help scientists to better understand how volcanic systems evolve, whether they erupt magma, mud or hydrothermal fluids.
The oil droplets in the hydrothermal fluids initiated the efficient chemical precipitation of native gold and the formation of very complex - structured gold and uranium ore.»
In - situ Raman spectroscopic study of sulfur speciation in oxidized magmatic - hydrothermal fluids
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