Rock from the Island of Crete
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Sorry
Wed, 02/08/2012 - 22:56I thought you guys were pros and the provided info was enough, just kidding, first time user. I did attach a photo but must have not made it. I will make another effort to attach the picture, looks like it appeared below. I hope it was worth the wait. Take care
Kari
Hi An interesting piece of
Thu, 02/09/2012 - 12:23Hi
An interesting piece of rock you've got there. I think it's a piece of gabbro (the mottled stuff) which is attached to basalt which is normally blackish but has been bounced about a bit. Cyprus is a classic location for studying what are known as ophiolite complexes which is where a piece of mid-ocean ridge gets pushed up over other deposits during continental collision. If I'm correct about your specimen (and there may well be others on the forum who have a different opinion), it represents a little bit of a magma feeder from which lava flowed onto the sea bed millions of years ago.
My initial thought on seeing
Thu, 02/09/2012 - 14:52My initial thought on seeing it was a matrix supported conglomerate, but I now think Gus is right. Additionally it has broken off and been tumbled naturally eith in a river, or more like (for Crete) in the sea to gove the well rounded appearance.
John
“Civilisation exists by geological consent, subject to change without notice.” - Will Durant
Thank You
Thu, 02/09/2012 - 15:16Gus/John
Thank you both for your prompt replies and evaluation of the rock. It did look to my eyes that darker color rock in molten state had covered the lighter color rock and some gravel got stuck in it and after solidification water shaped it. But metals are my business not rocks. I’m just a petty talcum guy. Hope you have a great day.
Kari
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Rock from the Island of Crete
Submitted by Kivikausi on Wed, 02/08/2012 - 19:17.Hello everyone I was just wondering if anyone could tell me anything about this rock I found while snorkeling at the shores of Island of Crete. It looked like nature’s own art so I kept it. I appreciate any comments, take care Kari