News tagged with clay minerals

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Clays can expand under pressure

It was always believed that water is "squeezed" out of the clay structure under pressure but physicists at Umea University in Sweden together with German colleagues show that this appear to be not always ...

Mar 27, 2013
not rated yet 1 | with audio podcast

Can we accurately model fluid flow in shale?

(Phys.org)—Given that over 20 trillion cubic meters of natural gas, a third of the United States' total reserves, are thought to be trapped in shale, and given the rush to exploit shale oil and gas resources ...

Jan 04, 2013
2.5 / 5 (2) 0 | with audio podcast

Clays on Mars: More plentiful than expected

(Phys.org)—A new study co-authored by the Georgia Institute of Technology indicates that clay minerals, rocks that usually form when water is present for long periods of time, cover a larger portion of ...

Dec 20, 2012
4.6 / 5 (5) 0 | with audio podcast