Sentences with phrase «as hydrothermal»

The most widely developed type of geothermal power plant (known as hydrothermal plants) are located near geologic «hot spots» where hot molten rock is close to the earth's crust and produces hot water.

Under natural conditions, vapor pressure may rise high enough to cause fracturing in a process known as hydrothermal brecciation.

The most widely developed type of geothermal power plant (known as hydrothermal plants) are located near geologic «hot spots» where hot molten rock is close to the earth's crust and produces hot water.

Microorganisms dominate all other life everywhere scientists have looked, including the human body, the Earth's soils and sediments, the oceans and fresh waterways, the atmosphere and even extreme environments such as hydrothermal vents and subglacial lakes.

In Earth's oceans, that sort of heating shows up at sites known as hydrothermal vents.

Earthly life has proved remarkably hardy in similar extreme environments such as hydrothermal vents on the ocean floor and polar ice.

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.

The bizarre habitat gleamed in the lights of an underwater robotic probe as it explored the environs of a seafloor spring spewing water at superhot temperatures — known as a hydrothermal vent.

Maybe something as weird and new as hydrothermal vents will turn up in some place yet unexplored.

However, potent compounds from the marine environment, especially extreme surroundings such as hydrothermal vents or arctic regions only await to be unveiled which undoubtedly hold promises in the discovery of tyrosinase inhibition, thus opening new perspective for treatment of skin disorders as well as neurodegeneration related diseases.

Now, new research offers a potential solution: Longer RNA chains could have hidden out in porous rocks near volcanic sites such as hydrothermal ocean vents, where unique temperature conditions might have helped complex organisms evolve.

The study, published in the American Chemical Society's journal Langmuir, suggests that brinicles form in the same way as hydrothermal vents, except in reverse.

The geysers through which this water emerges are known as hydrothermal vents.

Not exact matches

The economic Battle Mountain — Cortez — Eureka Trend gold deposits were deposited as mineralized hydrothermal sedimentary - host replacement horizons and breccia zones along major fault structural zones where alteration and anomalous gold - silver - arsenic - antimony - thallium mineralization are present.

PRETTY PLANET One Strange Rock contains gorgeous images of Earth, such as these colorful hydrothermal fields in Dallol, Ethiopia.

Crabs that live near hydrothermal vents 3,500 metres deep have been seen eating - as well as - cleaning each other

One site at Columbia Hills in Gusev crater, was visited previously by the Spirit rover and features silica deposits interpreted by some as analogous to hydrothermal springs known to be inhabited on Earth.

She describes her project as studying hyperthermophilic archaea, the living occupants of deep - sea hydrothermal vents that survive in extreme heat, pressure, and chemical toxicity.

While hydrothermal activity can produce considerable quantities of hydrogen, in porous rocks often found under seafloors, radiolysis could produce copious amounts as well.

As the hot hydrothermal fluid flows through this mud, it «cooks» organic material, forming methane (natural gas) and oil - like hydrocarbons.

Deep - sea hydrothermal vents give rise to some of the most bizarre forms of life on the planet, such as blind albino crabs.

Impacts exposing subsurface ice deposits and generating hydrothermal activity are one possible explanation for the bright spots and Herschel's water vapor; «cryovolcanoes» that erupt volatiles such as water rather than rock are another.

In the late 1970s, Alvin and his passengers discovered the first known hydrothermal vents, or «black smokers» as they are sometimes called.

They can be several tens of metres tall, and grow as minerals are deposited when the hot water meets the cold ocean water at the outlet of the hydrothermal vents.

Hydrothermal sites, in particular, are increasingly recognized as important places where the exchange between the surface and deep parts of Earth's biosphere are possible.

A study described here today at the American Geophysical Union's biennial Ocean Sciences Meeting shows that RNA's chemical building blocks fall apart within days to years at temperatures near boiling — a finding that poses problems for some origin of life theories, especially ones picturing that life arose in scalding settings such as deep - sea hydrothermal vents.

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.

Using hydrothermal liquefaction, organic matter such as human waste can be broken down to simpler chemical compounds.

This finding is consistent with field observations suggesting that smaller seamounts are favored as sites of hydrothermal discharge.

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.

Each contained jumbles of DNA sequences collected from environments such as soil, the ocean, hydrothermal vents, industrial effluent, and cow and baboon faeces.

Hydrothermal carbonization i.e., a method which at high temperatures and increased pressure converts biomass in a closed system in aqueous suspension into biochar, served as the basis.

To that end, he says, he and others have been examining hydrothermal vents at a mid-ocean ridge known as the East Pacific Rise.

The NOAA portion of the prize is meant to spur the development of specific technologies that can help detect «sources of pollution, enable rapid response to leaks and spills, identify hydrothermal vents and methane seeps, as well as track marine life for scientific research and conservation efforts,» Richard Spinrad, chief scientist at NOAA, said in a statement.

The new study determined that the methane contained in the fluid leached from sub-seafloor rocks, and was not formed through hydrothermal vent circulation, as had been previously thought.

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).

«I'm sure all the people building geothermal power plants are very interested in equipment like this,» Gawell said, noting that electric submersible pumps are just as useful in hydrothermal applications.

But the availability of hydrothermal reserves — the low - hanging fruit of the geothermal world — has been greatly reduced as companies have been snapping up prime exploration rights in Nevada and California.

Their chemical gardens at the Jet Propulsion Lab in Pasadena, California, have already confirmed that hydrothermal vents can provide that all - important proton gradient, measured as electrical potential between the inside and outside of a chimney.

Recent research has hinted that neighboring hydrothermal vents might host different arrays of life, but the scene in the Gulf of California, as Goffredi, Johnson and their colleagues described it in the July 26 Proceedings of the Royal Society B (pdf), provides one of the first dramatic examples of this trend.

Many distant worlds have never received as much light as Earth, but it is suspected that some of them have hydrothermal systems similar to Earth's deep - sea vents.

At the moment, scientists have confirmed, using DNA analysis, that snotworms are closely related to the tubeworms that thrive around hydrothermal vents and probably have existed for as long as whales, if not longer.

* David Kring explores the hydrothermal system triggered by the impact, including metasomatism (lithologic chemistry altered by hot fluids), and how the system could have incubated new life as it cooled over thousands of years post-impact.

The group is represented by possible habitat generalists (such as the large Enteroctopus dofleini which ranges from the intertidal to depths in excess of 450 m) and specialists (such as Vulcanoctopus hydrothermalis which is found only in hydrothermal vents).

Hydrothermal vents, known as black smokers, were first discovered on Earth in 1977 on the Galápagos Rift [see «The Crest of the East Pacific Rise,» by Ken C. Macdonald and Bruce P. Luyendyk; Scientific American, May 1981].

Although the evidence was subsequently contested, some single - celled microbial life lacking a nucleus that segregates their internal DNA or RNA («prokaryotes») from the surrounding cytoplasm may have flourished in darkness within cracks in Earth's seafloor crust and around deep, warm or boiling hot ocean springs (hydrothermal or volcanic vents, such as at Lost City or at black smokers) without a need for light or free oxygen in the oceans or atmosphere.

Hydrothermal vents on the ocean floor known as «black smokers» may support undersea habitats on Europa, as on Earth (more).

One of the most prevalent theories as to how life evolved on Earth is through chemical reactions at deep sea hydrothermal vents.

Meet Shannon Johnson, a senior research technician at the Monterey Bay Aquarium Research Institute (MBARI) who's as effervescent as her favorite research topic: hydrothermal vents.

Scientists believe the ocean exists as the result of heat generated by hydrothermal activity the moon's interior.