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V

 

Minerals containing the vanadate (VO4) radical as a major components.

 
Variegated

Displaying a range of different colors

 
Vein

Thin mineralized body.

 
Ventilation

The provision of a directed flow of fresh and return air along all underground roadways, traveling roads, workings, and service parts.

 
Virgin

Unworked; untouched; often said of areas where there has been no mining.

 
Vitreous

Having a luster resembling glass.

 

A vent in the Earth's crust through which steam, ashes, dust, and lava (molten rock) escape during eruptions. The center of the volcano, known as the hot spot, may be 100 to 200 kilometers (60 to 125 miles) across. Melted rock, or magma, wells up from within the Earth's crust and flows as lava.

 
Vug

An open cavity in matrix, that often contains a variety of minerals different from that of the host rock.
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