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| DEEP CARBON COULD TRIGGER MASS EXTINCTION |
| A vast reservoir of carbon is stashed beneath the Earth's crust and could be released by a major volcanic eruption, unleashing a mass extinction of the kind that last occurred 200 million years ago, German geologists report. |
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| BACTERIA START UNDERGROUND FIRES IN MALI |
| Patches of mysterious shoe-melting, foot-roasting hot ground in parts of West Africa may have been caused by bacteria, not volcanic activity as has been thought for decades. |
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| MELTING CRUST MAKES RICH MINERAL DEPOSITS: GEOLOGIST |
| A University of Toronto study suggests why giant gold and copper deposits are found at some volcanoes but not others, a finding that could point prospectors to large deposits of these and other valuable metals. |
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| STUDY OF DUST IN ICE CORES SHOWS VOLCANIC ERUPTIONS INTERFERE WITH THE EFFECT OF SUNSPOTS ON GLOBAL CLIMATE |
| University at Buffalo scientists working with ice cores have solved a mystery surrounding sunspots and their effect on climate that has puzzled scientists since they began studying the phenomenon. |
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| COLUMBIA UNIVERSITY STUDY TIES THE FREQUENCY OF EARTHQUAKES TO OCEAN TIDES |
| A Columbia University scientist studying an active seafloor volcano in the Pacific Ocean has determined that there is a correlation between the hundreds of micro earthquakes she recorded and the ocean tides. |
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| FUTURE VOLCANIC ERUPTIONS MAY CAUSE OZONE HOLE OVER ARCTIC |
| An "ozone hole" could form over the North Pole after future major volcanic eruptions, according to the cover story by a NASA scientist in tomorrow's edition of the Proceedings of the National Academy of Sciences. |
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| A RISING FORCE: NEW STUDY ON ANCIENT MANTLE PLUMES |
| Boulder, Colo. -- The subject of mantle plumes--bodies of hot buoyant material that rise through Earth’s mantle--has become increasingly popular as scientists explore new links between mantle plumes and other Earth processes. |
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| NAPLES SITTING ON A TIME BOMB |
| Vulcanologists have discovered that the Italian city of Naples is sitting on a 400-square-kilometre reservoir of magma, just waiting to blow. |
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| RESEARCHERS FIND GLASS-EATING MICROBES AT THE ROCK BOTTOM OF THE FOOD CHAIN |
| Welcome to the bottom of the deep-sea food chain. The rock bottom, that is. In the current edition of Geochemistry, Geophysics, Geosystems, a team of researchers uncovers and characterizes a process that is commonplace below the ocean bottom. In the upper 300 meters of the earth’s oceanic crust, microbes were found to have literally eaten their way through rock. Traces of this process are preserved in the glassy margins of underwater lava flows (scientists call super-cooled lava spewed by undersea volcanoes "glass," which is similar to material used to make stone-age axes and knives). |
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| VOLCANO PROCESSES AT THE FIRST STAGE OF LIFE ESTABLISHMENT ON THE EARTH LAY BEHIND THE REASON OF ATMOSPHERE SATURATION WITH OXYGEN |
| While the first oxygen level increase in the atmosphere happened in a span between 2,400 to 1,800 mln years ago, as most scientists consider, oxygen produced by bacteria began releasing even 300 mln years before this date. What caused such a timely delay in its accumulation? Mr. Kump and J.Casting, professors of geology and meteorology, together with their Australian colleague Mr. Mark, have developed a conceptual model. According to it, volcano processes initiated a rapid change in oxygen content and consequent ice accretion. But these volcano processes were different from those which had happened by then. |
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