ZHENGZHOU, Oct. 27 (Xinhua) -- A large gold mine with an initially estimated gold reserve of 31.55 tonnes has been discovered in central China's Henan Province.
Sixteen gold ores have been discovered in the mine, with gold grade ranging from 1.15 gold grams each ton to 56.9 gold grams a ton. In addition, 456 …
ZHENGZHOU, Oct. 27 (Xinhua) -- A large gold mine with an initially estimated gold reserve of 31.55 tonnes has been discovered in central China's Henan Province. The mine is in …
