Unlike hardrock mining, which extracts veins of precious minerals from solid rock, placer mining is the practice of separating heavily eroded minerals like gold …
placer mining, ancient method of using water to excavate, transport, concentrate, and recover heavy minerals from alluvial or placer deposits. Examples of deposits mined by means of this technique are the gold-bearing sands and gravel that settle out from …
of placer deposits in several states of India. Coverage on a wide spectrum of aspects related to placer deposits in India, such as, exploration and mining history, regional …
