The gold pan is most commonly used to locate a richer paying area by sampling, so that larger production equipment can be brought into that location to work the ground to recover more gold.. There are stories in the old mining records about the ground being so rich during the 1849 gold rush that as much as 96 ounces of gold were recovered from a single pan.
Feb 08, 2018· gold leaching flotation machinecopper ore processing machinery offers 107 gold platinum refining machine products. About 43% of these are mineral separator, 14% are mine mill, and 12% are other mining machines.
Gold futures closed lower Wednesday with U.S. manufacturing and construction spending data coming in generally as expected, providing some support for the dollar and the stock market, luring investors away from the precious metals. Gold for December delivery fell $1.60 to close at $410.80 an ounce on the New York Mercantile Exchange.