quartz mining answers

  • How do mining companies find large deposits of minerals ...

    Some mining groups are investigating abandoned mines, especially for gold. The US shut down all gold mines just before World War II. Many never reopened. Timberline Resources just found a pretty decent streak in a quartz vein that was part of an abandoned mine. They ran over 50,000 feet of drill strings to assay the area and define the vein.

  • Use quartz in a sentence | quartz sentence examples

    The city is the commercial and financial centre of the state (Butte being the mining centre), and is one of the richest cities in the United States in proportion to its population, It has large railway car-shops, extensive smelters and quartz crushers (at East Helena), and various manufacturing establishments; the value of the factory product ...

  • How is Quartz (mineral) mined? | Yahoo Answers

    Feb 12, 2011 · Best Answer: Quartz is mined by surface mining most of the time. A backhoe is used to take away the dirt and rock that is covering the vein. Only large mines own and use heavy equipment all the time. The miners might blast with explosives but they .