Flickr - brewbooks - Orbicular Granite


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brewbooks from near Seattle, USA
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Kreditera:
Orbicular Granite
Kort länk:
https://sewiki.info/b/628af
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Wikimedia Commons
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2525 x 1544 Pixel (736333 Bytes)
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Rings in the Rock This slice of rock came from a granite boulder found in a stream near Karamea South Island [New Zealand] west coast. The rock formed 400 million years ago. The circular patterns are the work of minerals which crystallized in spheres around a central nucleus.

This really amazed me. A few years later, I started reading The Process of Creating Life you see this pattern recurring in nature. THis also reminds me of the Belousov-Zhabotinsky reaction non-equilibrium thermodynamics, resulting in the establishment of a nonlinear chemical oscillator reaction

And more recently, pictoscribe turned me on to Li , Dynamic Forms in Nature by David Wade

Updated the title from: Concentric Circular pattern in granite to: Orbicular Granite

Interesting site on orbicular rocks Seen from this orbicular rock photo by Flickr member subarcticmike

Auckland War Memorial Museum i102505 115

www.aucklandmuseum.com/
Licens:
CC BY-SA 2.0
Licensvillkor:
Creative Commons Attribution-Share Alike 2.0

Mer information om licensen för bilden finns här. Senaste uppdateringen: Wed, 21 Aug 2024 16:17:51 GMT