Veins in rocks are a result of the precipitation and/or crystallisation of minerals in faults or, more rarely, bedding planes in that rock, usually lo

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Veins in rocks are a result of the precipitation and/or crystallisation of minerals in faults or, more rarely, bedding planes in that rock, usually long after the formation of the rocks in question. This example is of a quartz-vein in a plutonic igneous rock that belongs to an ophiolite series in Wadi Abyad in the Al Hajar Mountains of northeastern Oman

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Photo credit: © DIRK WIERSMA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: abyad, bedding, crystallisation, crystals, fault, faults, igneous, mineral, mineralogy, oman, ophiolite, plane, precipitation, quartz, rock, vein, wadi