Petaquilla Minerals Ltd. (PTQ) found mineral resources equivalent to 502.800 ounces of gold in the river Belencillo deopsit, an area where they recently won eligibility for exploration. The operations are known as Palmilla mine and works with Molejon in Donoso. The estimated mineral resources discovered contain about 19. 7 million tonnes of inferred resources at an average gold per tonne of 0. 50 grams of gold, 0. 18% copper and 0.54 grams of silver. The cost of gold is $ 1,600 per ounce, copper is $ 3. 54 per pound and silver is $ 30 per ounce.