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Posted in response to Does anyone know what kind of rock this is? from Jackie on March 14, 2013 at 01:53:28:

Re: Does anyone know what kind of rock this is?

Hi Jackie,

Do you know the locality where the rock in your pictures was collected? How large is it? The specimen depicted in 000_0024.JPG could be a septarian nodule - a type of concretion.

http://en.wikipedia.org/wiki/Concretion

From Bob Keller - March 14, 2013 at 02:14:44

Message: 70655



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Message Index Start New Topic Photo Gallery FAQ and Use Tips Bob's Rock Shop

Bob Keller