Keyword: tethysocean
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Scientists Discover Massive Freshwater Reserves Underneath The Ocean Floor Agence France Presse Dec. 5, 2013, 7:22 AM Australian researchers said Thursday they had established the existence of vast freshwater reserves trapped beneath the ocean floor which could sustain future generations as current sources dwindle. Lead author Vincent Post, from Australia's Flinders University, said that an estimated 500,000 cubic kilometres (120,000 cubic miles) of low-salinity water had been found buried beneath the seabed on continental shelves off Australia, China, North America and South Africa. "The volume of this water resource is a hundred times greater than the amount we've extracted from...
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In what could quench the thirst of billions of people in the future, researchers have discovered our planet's largest water reservoir 640 km beneath our feet - bound up in rock deep in the earth's mantle. This water is not in a form familiar to us - it is not liquid, ice or vapour. This fourth form is water trapped inside the molecular structure of the minerals in the mantle rock. Scientists have been looking for this missing deep water for decades," explained geophysicist Steve Jacobsen from Northwestern University.
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Scientists say rock layer hundreds of miles down holds vast amount of water, opening up new theories on how planet formed After decades of searching scientists have discovered that a vast reservoir of water, enough to fill the Earth’s oceans three times over, may be trapped hundreds of miles beneath the surface, potentially transforming our understanding of how the planet was formed. The water is locked up in a mineral called ringwoodite about 660km (400 miles) beneath the crust of the Earth, researchers say. Geophysicist Steve Jacobsen from Northwestern University in the US co-authored the study published in the journal...
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First terrestrial discovery of an extremely rare mineral called ringwoodite confirms theory about huge water ‘reservoirs’ 410 to 660 km beneath the surface of our planet, says a team of researchers led by Prof Graham Pearson from the University of Alberta, Canada.
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A team of researchers revealed evidence of an unknown geochemical pathway used by the Earth to sequester water deep within, releasing small amounts through plate tectonics in a process that feeds our oceans "from within," Ohio State University reported.
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The world's oldest water, which is locked deep within the Earth's crust, is present at a far greater volume than was thought, scientists report. The liquid, some of which is billions of years old, is found many kilometres beneath the ground. Researchers estimate there is about 11m cubic kilometres (2.5m cu miles) of it - more water than all the world's rivers, swamps and lakes put together. The study was presented at the American Geophysical Union Fall Meeting. It has also been published in the journal Nature. The team found that the water was reacting with the rock to release...
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Researchers at KTH have been able to prove that the fossils of animals and plants are not necessary to generate raw oil and natural gas. This result is extremely radical as it means that it will be much easier to find these energy sources and that they may be located all over the world. “With the help of our research we even know where oil could be found in Sweden!” says Vladimir Kutcherov, Professor at the KTH Department of Energy Technology in Stockholm. Together with two research colleagues, Professor Kutcherov has simulated the process of pressure and heat that occurs...
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BREMERHAVEN (Germany): A mini-continent that was formerly joined to India has been discovered deep under the southern oceans by the world’s most powerful ice research vessel, said German scientists. They spoke as the ship, the Polarstern, was due to dock in its homeport of Bremerhaven, Germany after a 19-month research voyage to Antarctica. The ninth phase of the voyage was a study of the undersea Kerguelen Plateau, which was orphaned after the ancient continents separated, with India drifting away from Antarctica. The findings suggest that the plateau, about the size of Germany and France combined, is just the tip of...
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Huge Underground "Ocean" Found Beneath Asia Richard A. Lovett for National Geographic News February 27, 2007 A giant blob of water the size of the Arctic Ocean has been discovered hundreds of miles beneath eastern Asia, scientists report. Researchers found the underground "ocean" while scanning seismic waves as they passed through Earth's interior. But nobody will be exploring this sea by submarine. The water is locked in moisture-containing rocks 400 to 800 miles (700 to 1,400 kilometers) beneath the surface. "I've gotten all sorts of emails asking if this is the water that burst out in Noah's flood," said the...
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Dino impact gave Earth the chill A cloud of sulphate particles may have blocked out the sun's warmth Evidence has been found for a global winter following the asteroid impact that is thought to have killed off the dinosaurs 65 million years ago. Rocks in Tunisia reveal microscopic cold-water creatures invaded a warm sea just after the space rock struck Earth. The global winter was probably caused by a pollutant cloud of sulphate particles released when the asteroid vapourised rocks at Chicxulub, Mexico. The results are reported in the latest issue of the journal Geology. Italian, US and Dutch...
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Did a planetary wobble kill the dinosaurs? by Nicola JonesNew ScientistJune 27 2001Bruce Runnegar from the University of California at Los Angeles' Center for Astrobiology... and his colleagues used computer models to map out the Solar System for the past 250 million years. In particular, they looked at the perihelion of each planet - the point in its orbit where it is closest to the Sun. The perihelion of Earth rotates around the Sun with a period of hundreds of thousands of years. Because of subtle tugs and pulls between the planets, this period changes slightly with time... Their...
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CORVALLIS, Ore. – A team of scientists from Oregon State University has created the first global three-dimensional map of electrical conductivity in the Earth's mantle and their model suggests that that enhanced conductivity in certain areas of the mantle may signal the presence of water. What is most notable, the scientists say, is those areas of high conductivity coincide with subduction zones – where tectonic plates are being subducted beneath the Earth's crust. Subducting plates are comparatively colder than surrounding mantle materials and thus should be less conductive. The answer, the researchers suggest, may be that conductivity in those areas...
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