Wednesday, May 16, 2012

Volcanos, Chocolates and Diamonds (PhysOrg)


Chocolate and diamonds: Why volcanoes could be a girl's best friend

Chocolate and diamonds: Why volcanoes could be a girl's best friend
Kimberlite volcanoes, the primary source of diamonds, contain pelletal lapilli -- enigmatic magma-coated clasts. These are generated deep in the volcanic vent by a granulation process analogous to that commonly used in coating chocolates, drugs and fertilizers. Credit: University of Southampton
Scientists from the University of Southampton have discovered a previously unrecognised volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the dynamics of volcanic eruptions.

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