Chinese scientists have uncovered a "supergiant" deposit of high-quality gold ore hidden near some of the country's existing gold mines. The vast reserve, which could be the largest single reservoir of the valuable metal left anywhere on Earth, could end up being the largest known deposit of the precious metal anywhere in the world, and is worth more than $80 billion. As LiveScience reports, the new deposit was uncovered at the Wangu gold field in the northeast of Hunan province, representatives from the Geological Bureau of Hunan…
