Show P platinum metals in A colorado copper deposit the finding of appreciable amounts of platinum and palladium in a promising deposit of copper ore in southwestern colorado is announced by the geological survey united states department of the interior the platinum metals bere were found by E T erickson during a laboratory study of ores collected by edwin B eckel who is studying the ore deposits of the la plata mining district as a part of the cooperative program that has been carried on since 1926 by the state of colorado and the federal survey since its discovery I 1 in 1873 the la plata district has produced nearly worth of gold and silver but very little copper I 1 the platinum bearing copper deposit lies on copper hill between bedrock and boren creeks at an altitude of feet about half a mile from the old town of of laj la plata and 21 miles northwest of durango the workings of the I 1 copper hill mine include a glory j hole or open cut and a foot I 1 tunnel between 1911 and 1917 the mine yielded 2300 tons of ore which contained about ounces of silver and about lbs ibs of copper it has been idle since 1917 |