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Environmental News Network: It turns out that the steady dripping of water deep underground can reveal a surprising amount of information about the constantly changing cycles of heat and cold, precipitation and drought in the turbulent atmosphere above.
As water seeps down through the ground it picks up minerals, most commonly calcium carbonate. When this mineral-rich water drips into caves, it leaves mineral deposits behind that form layers which grow during wet periods and form dusty skins when the water dries up.
Today,......
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Prehistoric climate changes still detectable deep underground
Posted by Washington Post: Juliet Eilperin on May 28th, 2015
Posted in Water Conservation