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The Blue is in Henderson, Nevada. Historically the site has been associated with the Camp Alunite-Las Vegas District which is now part of the Lake Mead National Recreation Area. The Blue is a underground operation. Associated rock in this area is latite from the Pliocene epoch 5.33 to 2.58 million years ago.read more
Tailings are the materials left over after the of separating the valuable fraction from the uneconomic fraction of an ore. Tailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during without being processed. The extraction of minerals from ore can be done two ways: placer , which uses water and gravity to concentrate the valuable minerals, or hard rock …read more
Other methods include shrinkage stope mining, which is mining upward, creating a sloping underground room, long wall mining, which is grinding a long ore surface underground, and room and pillar mining, which is removing ore from rooms while leaving pillars in place to support the roof of the room.read more
Quartz Magnetic & process: Attrition is applied to clean the surface of the quartz particles. Thereby fine particles attached to quartz surfaces, e.g. clay minerals or iron oxide coatings, are liberated, which allows the subsequent physical separation including magnetic and …read more
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