http://www.newscientist.com/mobile/article/dn23284-gold-seams-form-in-an-earthquakepowered-flash.html
Geologist John Muntean
at the University of Nevada in Reno, says the results are "very
credible". The link between earthquakes and gold deposits is not new,
says Muntean. "But this paper quantifies the amount of pressure drop,"
he says, "and it ties it into gold solubility and why that pressure drop
could drop out all of the gold in the hydrothermal fluid."
Today, gold veins formed deep
underground account for about a third of known gold deposits. Much is
mined directly, and some that erodes away is collected from streams.
"You can't destroy gold. It just keeps getting recycled," says Henley.
No comments:
Post a Comment