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1315 Views 1 Reply Last post: Jan 18, 2013 9:26 PM by MikeHardman RSS
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Dec 20, 2012 12:04 PM

spherical balls inside rocks

I have worked in the quarry industry for many years over this time I have accumulated these balls which are actually embedded in the rock I split. Seem to find these in the bottom rock layer which is approximately 100-150ft down.can anybody tell me more information about these as I'm bamboozled?thanks. Also added full size football to show you size


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