Sentences with phrase «with hydrothermal»

Greenfield EGS Projects Greenfield EGS developments take place in areas underlain by hot rock, but with no hydrothermal circulation to bring the heat close to the surface.
In fact, with a four - poster bed, personal reading library, and a marble bathroom with a hydrothermal tub, you never even want to leave your room.
As NASA explains on its website, among other discoveries, Cassini revealed the icy jets that shoot from Saturn's minuscule moon Enceladus, which showed evidence of an underground ocean with hydrothermal activity within it.
The network spans the Juan de Fuca plate, which sits between the Pacific and the North American plates and hosts earthquakes and tsunamis, giant clams and whale pods, along with hydrothermal vents and frozen methane deposits.
Compared with manganese nodules, the seafloor sulfides associated with hydrothermal vents have a huge advantage: They are much easier to get to.
And other data suggest that this ocean sits on a rocky mantle that could be dotted with hydrothermal vents — potential hotspots for life.

Not exact matches

The depths of the frigid continent hold hydrothermal vents which house a variety of pale creatures — including predatory sea stars with seven arms...
The impact aftermath killed most life on Earth, but the crater itself (bottom)-- shown with a central peak — remained hot long after the blast, perhaps creating a hydrothermal system similar to deep - sea vents.
«But, of course, we know there can be carbonaceous materials made in other processes — like in hydrothermal vents — consistent with looking like microfossils that also have some carbon signal.
With a dense network of seismometers, the team could determine the shape, size, and location of the feature, which they believe is Old Faithful's hydrothermal reservoir.
The second spot was Axial Seamount, an active underwater volcano, along with its associated hydrothermal vents, where the team could study the transfer of minerals from beneath the seafloor into the water and access hardy microbes that thrive in the vent fluids, which can reach 250 degrees Fahrenheit.
UiB's scientists identified another large hydrothermal field with rich mineral deposits 300 km west of Bjørnøya in 2008.
In the third type of vent environment, «hydrothermal seeps,» much cooler (less than 30 - 60 degrees Celsius) water trickles out of lava flows interleaved with seafloor mud.
Among these hypotheses, the researchers identify acid fog and hydrothermal processes as more consistent with their observations than efflorescence, even though the sensitivity of GRS to elements, but not minerals, prevents a decisive inference.
With the help of Cindy Van Dover, a Duke University biologist and expert in hydrothermal vents, Nautilus is even studying the possibility of picking up snails and barnacles in the path of the mining tool and transplanting them to a temporary haven, to be brought home when the coast is clear.
The field work was complemented with high - temperature high - pressure experiments in the laboratory to replicate the hydrothermal observations and to suggest mechanisms for the processes.
Gravest doubts emerged in 2002, when a team led by Oxford's Professor Martin Brasier (co-author of this current study) revealed that the host rock was not part of a simple sedimentary unit but rather came from a complex, high - temperature hydrothermal vein, with evidence for multiple episodes of subsurface fluid flow over a long time.
This finding is consistent with field observations suggesting that smaller seamounts are favored as sites of hydrothermal discharge.
Putting hydrothermal liquefaction first in an engineering process and finishing with anaerobic digestion completes a food - water - energy nexus, Posmanik said.
Cooperation with AVA Biochem is part of comprehensive KIT activities for manufacture of chemical energy carriers as well as intermediates from biomass with emphasis on so - called hydrothermal methods i.e. reactions in water at increased temperatures.
Given that the tubules seem to be associated with fractures and water - cooled margins within the rocks, the researchers propose that hydrothermal activity — the local circulation of heated water, common after impacts — could have allowed microbial colonization of the glass from the surrounding environment.
There are several habitats once thought to be inhospitable to even the world's most adaptable organisms — places like the core of Chile's Atacama Desert, the driest region on Earth; ice sheet plateaus in Greenland that are 10,000 feet thick; and near hydrothermal vents on the ocean floor with temperatures above 750 degrees Fahrenheit, to name a few.
This article was originally published with the title «Hydrothermal Vents Ocean Policy Ancient Greeks»
When particles from the plumes entered the spacecraft's Ion and Neutral Mass Spectrometer (INMS), they interacted with its titanium walls, producing the same sort of hydrogen as hydrothermal processes would create under Enceladus's ocean.
But for Van Dover, that value can not compare with the richness of the thriving animal communities inhabiting Earth's hydrothermal vents.
The paper from researchers with the Cassini mission, published in the journal Science, indicates hydrogen gas, which could potentially provide a chemical energy source for life, is pouring into the subsurface ocean of Enceladus from hydrothermal activity on the seafloor.
A research team — Carnegie's Sergey Lobanov and Alexander Goncharov, along with Konstantin Litasov of the Russian Academy of Science and Novosibirsk State University in Russia — focused on the high - pressure chemistry of a carbonate mineral called siderite, which is an iron carbonate, FeCO3, commonly found in hydrothermal vents.
Merging genomes with geochemistry in hydrothermal ecosystems.
«If a new theory published last year is correct, then powerful hydrothermal activity could have been occurring since the formation of the moon, possibly as much as the age of the solar system,» he says, adding that which timescale they are working on — tens of millions or billions — could be determined with future research.
Mars is thought to have contained oceans with similar conditions to those near hydrothermal vents at around the same time the fossils were thriving, living creatures.
In an email interview with Newsweek, lead author Gaël Choblet, from the French National Center for Scientific Research, said that while he can not speculate on the presence of alien life on Enceladus, their timescale for hydrothermal activity does bolster the case that microbial life could emerge.
On Earth, seawater interacts with rock at some hydrothermal vents to produce high concentrations of this molecule.
Cassini, which began its journey over two decades ago, facilitated the publication of more than 3,000 scientific papers with the data it collected and is responsible for several major discoveries, including liquid methane seas on Titan and evidence of hydrothermal activity on Enceladus.
Its purpose is to display and interpret original works by a science illustrator who, in collaboration with a scientist, has visited and documented hydrothermal vent ecosystems via travel in the deep - sea submersible Alvin.
The quantitative population ecology of zooplankton with emphasis on zooplankton small - scale distribution and abundance, organic matter transport into the deep - sea, the biology of Gulf Stream Rings, zooplankton associated with deep - sea hydrothermal vents, dynamics of populations on Georges Bank and on the continental shelf region of the Western Antarctic Peninsula, acoustical determination of zooplankton biomass, abundance, and size, and the census of holozooplankton biodiversity in the worlds oceans.
If hydrothermal chemical reactions are indeed responsible for the molecular hydrogen, that means the methane previously detected by Cassini might be generated from carbon dioxide (also detected by Cassini) through a reaction with hydrogen.
Plumes of warm water laden with minerals create chimney - like «hydrothermal vents.»
Trained as an astrobiologist at Stanford and Caltech, Loretta has been to the Canadian Arctic to study plant life in extreme environments and to the hydrothermal vents at the bottom of the ocean with «Titanic» director James Cameron to film a 3D IMAX documentary, «Aliens of the Deep.»
On Earth, the most common way to form silica grains of this size is hydrothermal activity under a specific range of conditions; namely, when slightly alkaline and salty water that is super-saturated with silica undergoes a big drop in temperature.
Life on Earth likely began in hydrothermal systems (environments where hot water reacts with rocks), and there is abundant evidence for many locations where hydrothermal environments exists on Mars at the time when life might have originated in similar environments on Earth.
In one scenario, hydrothermal processes super-saturate the ocean with methane.
Somewhere inside the icy body, there was hydrothermal activity — salty warm water interacting with rocks.
Additional unprocessed images gathered during Cassini's plunge are available online, along with hundreds of thousands collected by the probe during the more than 13 years it has spend studying Saturn and its moons — observations which resulted in the publication of more than 3,000 studies and such discoveries as liquid methane seas at Titan and hydrothermal activity on Enceladus.
«The conditions of hydrothermal alteration inferred by analogy with experiments, especially temperature, are at odds with the
We were able to show that under [presumed] Enceladus - like conditions and the given environmental parameters, biological methane production did occur in the lab,» and that a «microoorganism from a hydrothermal vent system on Earth could be grown in the presence of [presumed] inhibitors in combination with high pressure.»
«But, of course, we know there can be carbonaceous materials made in other processes — like hydrothermal vents — consistent with looking like microfossils that also have some carbon signal.
u «The conditions of hydrothermal alteration inferred by analogy with experiments, especially temperature, are at odds with the [observed] mineralogy and preservation of volatile organic compounds.»
Hydrothermal cooking methods can be advised when the food is eaten along with the cooking water, as the addition of olive oil improves the phenolic profile and makes up for the deficiencies of the raw food.
Hydrothermal tubs and nighttime reading with marble bathrooms and four - poster beds - even luxury needs some time to unwind.
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