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The secluded central Oregon landmark is an ancient volcanic eruption in the middle of what was, at the time, a freshwater sea ...
18h
TwistedSifter on MSNScientists Prove That Million-Year-Long Rock Formation Processes Are Now Happening In As Little As 35 Years, And Humans Are Totally To BlameSedimentary rock is comprised of sediment, as the name suggests. Over time, tiny minerals, sand, rocks, and debris layer on ...
22h
Live Science on MSNHells Canyon caves reveal unexpected finding about America's deepest gorgeAbout 2,000 feet deeper than the Grand Canyon, Hells Canyon was rapidly carved when a lake spilled over about 2.1 million ...
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