Typically these zones have a silicified core with fine sprays of disseminated arsenopyrite hosting the best grades. Disseminated sulphide replacement ore bodies range up to 50m in width with a strike between 60m and 90m. Free-milling gold constitutes up to 50% of the total metal content with the remainder occluded within the arsenopyrite.Joshua Gold Resources Inc. Announces High Grade Gold,Mar 23, 2021· Next the concentrate was passed through a milling circuit, which began with ore fed through a primary jaw crusher (9" x 12" - crushed to minus 1.5"), followed by a secondary jaw crusherTailings - Wikipedia,Tailings are the materials left over after the process 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 mining without being processed.. The extraction of minerals from ore can be done two ways: placer mining, which uses water,
Price + Shipping: lowest first; Price + Shipping: highest first; Distance: nearest first; View: Gallery View.,Fine Gold Recovery Concentrate Sluice + FREE Colorado Gold Bearing Concentrates. $35.00. $12.80 shipping.,Portable Rock Crusher Powered by Angle Grinder Mobile Sampling Crusher .Great Panther Reports First Quarter 2021 Production Results,Apr 13, 2021· Gold equivalent ounces for 2021 were calculated using a 1:85 Au:Ag ratio, and ratios of 1:0.0005 and 1:0.0006 for the price/ounce of gold to price/pound of leadMount Polley mine - Wikipedia,The processed ore is delivered by truck to the Port of Vancouver. The mine is on care and maintenance status until the price of gold, copper, and silver becomes more economically viable. As of March 2012, the estimated reserves of the mine were 87.3 million tonnes of 0.292% copper, 0.302 grams per tonne gold and 0.407 grams per tonne silver.