Spruce Pine Mining District
The Spruce Pine Mining District is a swath of the valley of the North Toe River in the Blue Ridge Mountains of northwestern North Carolina. The area is mined for its mica, kaolin, quartz and feldspar. Spruce Pine district is one of the largest suppliers of high-purity quartz, which is used in the manufacture of silicon for integrated circuits. The district is named after the town of Spruce Pine, which is located in the middle of the region and is the hub of major mining activity there. The district is approximately 25 miles (40 km) long and 5 miles (8.0 km) wide.
Spruce Pine Mining District - Wikipedia Jump to content From Wikipedia, the free encyclopedia Part of the valley of the North Toe River in North Carolina, US "},"location":{"wt":"Spruce Pine, NC"},"coordinates":{"wt":"{{Coord|35.942922|N|82.08268|W|display=inline}}"},"region":{"wt":"Appalachian Mountains"},"country":{"wt":"United States"},"extent":{"wt":""},"namedfor":{"wt":"Spruce Pine, NC"},"namedby":{"wt":"<!--Author of defining paper-->"},"year_ts":{"wt":"<!--Year of definition-->"},"location_ts":{"wt":"<!--Place,mountain,...-->"},"region_ts":{"wt":"<!--Region of type section-->"},"country
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