Rock 365 : Day 44 : Gabbro Dreikanter #365photos


Day 44 : Dreikanter is German for “three sides”. This gabbro
ventifact is a classic dreikanter, sculpted by wind blown sand to
produce a three-sided pyramid shape. I brought this sample which is
about 25cm across back from the Atacama Desert of Chile.


~ by hypocentre on February 13, 2010.

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