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January 13, 2016 12:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/topX3CdXi-c/the-40000-mile-volcano
The 40,000-Mile Volcano
An anonymous reader writes: The NY Times reports on one of the wonders of the underwater world: the extensive web of volcanoes and hydrothermal vents present where tectonic plates meet and grind against one another. "Welcome to one of the planet's most obscure but important features, known rather prosaically as the midocean ridges. Though long enough to circle the moon more than six times, they receive little notice because they lie hidden in pitch darkness." The magma seeping through these cracks generate massive amounts of heat — enough to sustain incredible ecosystems. But as scientists have gained a deeper understanding of this geological phenomenon, they realize it's more chaotic than they had imagined. "The old idea was that the eruptions of oozing lava and related activity occurred at fairly steady rates. Now, studies hint at the existence of outbursts large enough to influence not only the character of the global sea but the planet's temperature. Experts believe the activity may carry major repercussions because the oceanic ridges account for some 70 percent of the planet's volcanic eruptions. By definition, that makes them enormous sources of heat and exotic minerals as well as such everyday gases as carbon dioxide, which all volcanoes emit."Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/topX3CdXi-c/the-40000-mile-volcano
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