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"This really isn't a volcano story," Lowenstern said. "But it reveals how the Earth's crust behaves on a long time frame. The crust 'holds its breath' for long periods of time, and then releases it during tectonically and volcanically active bursts."
"This really isn't a volcano story," Lowenstern said. "But it reveals how the Earth's crust behaves on a long time frame. The crust 'holds its breath' for long periods of time, and then releases it during tectonically and volcanically active bursts."
TrueAmerican
So why doesn't anyone quote this from the very linked article in the OP?
"This really isn't a volcano story," Lowenstern said. "But it reveals how the Earth's crust behaves on a long time frame. The crust 'holds its breath' for long periods of time, and then releases it during tectonically and volcanically active bursts."
Contrary to some media reports, Yellowstone is not "overdue" for a supereruption. Indeed, it is quite possible that such an eruption will never again occur from the Yellowstone region. Scientists agree that smaller eruptions are likely in the future, but the probability of ANY sort of eruption at Yellowstone still remains very low over the next 10 to 100 years.
The only real practical applications of this discovery, however, are for geologists who use helium to do things like figure out the age of groundwater supplies.
"This is very unusual," agrees David Hilton, a geochemist at the Scripps Institution of Oceanography in La Jolla, Calif. "It's producing a huge flux of helium."
But the plate is moving over a hot spot, and a plume of molten rock from deep within the Earth has been pushing up into these old rocks. "They've had this boring, peaceful existence and now suddenly they're put on the front burner," Evans says. "They're really getting cooked." All that cooking is driving out helium that's been trapped inside the rock for a long time, he says.