Lima, Peru, May 20, 2013 (GLOBE NEWSWIRE) -- The Graystone Company (GYST) announced today the Company's mining operations generated approximately 130 grams of gold in in the first 2 weeks of May. The Company produced 120-150 grams during the month April. The company expects gold production will exceed 300 grams in May doubling production from April.
Company's Mining Operations
The Company's mining operations in Peru consist of alluvial (or placer) mining. Alluvial mining refers to mining precious metal deposits (particularly gold and gemstones) found in alluvial deposits - which are deposits of sand and gravel in modern or ancient stream beds, or occasionally glacial deposits. The gold deposits are moved by stream flow from an original source such as a vein. Since heavy metals like gold are considerably more dense than sand, they tend to accumulate at the base of placer deposits.
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