Tiny Crystal Provides a Big Clue

Tiny Crystal Provides a Big Clue

environment, explorations, geology, issues in the news, Materials Science
Is there an immense ocean, far beneath the surface of the Earth, that replenishes the oceans above? Recent news items describe a deep reservoir containing as much as three-quarters of the Earth's water supply. Most of these news stories are careful to note that this isn't some great sloshing underground pool, and you won't find any fish living there. Rather, the water is "bound up" in mineral deposits and released when these minerals are put under immense pressure. Some news stories compare the minerals to sponges, which is not something you usually associate with rocks. (Here are a couple of examples of the news items: Daily Digest News, The Guardian.) What's really going on here? Last March, a research paper in the journal Nature reported the discovery of a tiny…
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