Veins (geology)

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Smallest vein at 400 feet in the silver mine Nipissing, Canada, photo by Arthur Cole, 1911.

Geological geology - rock or mineral body younger than neighboring rocks filling fissures and cracks in surrounding rocks. Rock material

The vein is usually composed of minerals precipitated from aqueous solutions or from materials derived from the crystallization of magma. There are also veins filled with sedimentary minerals (clastic veins, clastic veins, most often near the surface). Bibliography

wiki

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