T-Shirts: Quartz porphyry (rhyolite)

File Details

Published: 2013-06-05 16:04:02.631857 Category: Mining Type: Photo Model release: No

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Keywords

porphyry, quartz, feldspar, baltic sea, volcano, red, earth science, geology, geologic, geologic, natural, stone, volcanic, igneous, closeup, macro, estonia, building material