News tagged with hydrothermal fluids
Origins of sulfur in rocks tells early oxygen story
Space & Earth / Earth Sciences
Apr 16, 2009 |
4.5 / 5 (8) |
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(PhysOrg.com) -- Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced ...
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Evidence of ancient hot springs on Mars detailed
Space & Earth / Space Exploration
Feb 12, 2009 |
4.5 / 5 (2) |
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New Rochelle, NY, February 12, 2009 -Data from the Mars Reconnaissance Orbiter (MRO) suggest the discovery of ancient springs in the Vernal Crater, sites where life forms may have evolved on Mars, according to a report in ...
Genetic adaptations are key to microbe's survival in challenging environment
Biology /
Feb 06, 2009 |
1 / 5 (1) |
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The research focused on the bacterium Nautilia profundicola, a microbe that survives near deep-sea hydrothermal vents. Photosynthesis cannot occur in this dark environment, where hot, toxic fluids oozing from below the se ...
Microbe Survives in Ocean's Deepest Realm, Thanks to Genetic Adaptations
Biology /
Feb 06, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- The genome of a marine bacterium living 2,500 meters below the ocean's surface is providing clues to how life adapts in extreme environments, according to a paper published Feb. 6, 2009, in ...
Lost City pumps life-essential chemicals at rates unseen at typical black smokers
Space & Earth / Earth Sciences
Jan 31, 2008 |
4.6 / 5 (17) |
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Hydrocarbons – molecules critical to life – are being generated by the simple interaction of seawater with the rocks under the Lost City hydrothermal vent field in the mid-Atlantic Ocean.
The limits of life on Earth extended... in water
Apr 28, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- A new species of archaebacteria, Pyrococcus CH1, thriving within a temperature range of 80 to 105°C and able to divide itself up to a hydrostatic pressure of 120 Mpa (1000 times higher than the atmospheric ...
Oases for Life on the Mid-Caymen Rise
Space & Earth / Earth Sciences
Oct 21, 2009 |
4.5 / 5 (2) |
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A team of oceanographers and astrobiologists is currently exploring one of the deepest points in the Caribbean Sea. Follow their blog as they search for life in this extreme seafloor environment.
Shallow Origins
Space & Earth / Earth Sciences
Dec 22, 2009 |
5 / 5 (11) |
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In finding answers to the mystery of the origin of life, scientists may not have to dig too deep. New research is shedding light on shallower waters as a possible location for where life on Earth began.
Radioactive Crystals Help Identify and Date Ore Deposits
Space & Earth / Earth Sciences
Jul 31, 2006 |
3.5 / 5 (2) |
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Reddish-brown crystals of a radioactive mineral called monazite can act as microscopic clocks that allow geologists to date rock formations that have been altered by the action of high-temperature fluids, a process that frequently ...
Researchers find ways heat-loving microbes create energy
Mar 06, 2006 |
4.4 / 5 (5) |
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Curiosity about the microbial world drove Jan Amend, Ph.D., associate professor of earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, to Vulcano Island, Italy, a shallow ...
Deep-sea rocks point to early oxygen on Earth
Space & Earth / Earth Sciences
Mar 24, 2009 |
4.9 / 5 (14) |
1
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists.
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