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CK Williams

macrumors 6502a
Dec 27, 2008
844
15,578
Las Vegas
850_1202 copy.jpg
 

Morgenland

macrumors 65816
May 28, 2009
1,486
2,216
Europe
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Beauty meets beauty. By the way, the marble is not simply painted, after all, anyone could create with the burden of effort. These are inlaid works. Detail connoisseurship delights the lover.

The photo was taken at the Sheikh Zayed Grand Mosque Center. I used my small Panasonic GM1. So I could photograph relatively inconspicuous, appropriate to the situation.
 

rjjacobson

macrumors G3
Sep 12, 2014
8,529
26,056
More of the Black Canyon of the Gunnison in Colorado. Here is some more geology nerd stuff. /Will take first photo full size other just attachment; here we have pegmatites in the Gneiss

“In the park, the Gunnison River cuts through Precambrian rock nearly 2 billion years old! Most of these rocks are metamorphic and show evidence of exposure to extreme pressures and temperatures. Some of the rocks are igneous and formed from magma that pushed its way up into cracks in the Earth's crust, where it cooled and crystallized.

Gneiss
The metamorphic rock that dominates the walls of the Black Canyon is called gneiss (pronounced "nice"), and is blended with schist, another rock that normally has flat or elongated crystals. You might spot the intense folding of the alternating light and dark bands in this adjacent photo. These rocks were once buried deep below the Earth's surface where they encountered extreme heat and pressure.

Pegmatite
This granite-like igneous rock formed as hot magma forced its way into cracks. It cooled slowly, allowing large crystals to form. The pegmatite is loaded with shiny muscovite (mus'-ko-vite) mica and large crystals of a pinkish mineral called potassium feldspar.

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