uses of gold (iii) phosphate BINQ Mining
May 14, 2013· Mining Facts Resources – Colorado Mining Association . of clay, copper, gypsum, lithium, magnesium, phosphate, salt, silica and sulfur. . Colorado has a rich mining heritage, beginning with the discovery of gold in 1859, . Coal is the fuel used to generate more than 65% of the electricity consumed in .. In 2009, there were 9 active coal mines in the state, 6 surface mines and 3 .