A Tsinghua-Led Survey Team Found a Gold-Rich Hydrothermal Deposit on the Pacific Seafloor
A Chinese research consortium says it has found a world-scale field of polymetallic sulphides beneath the West Pacific, with gold grades of up to 15.4 grams per tonne — richer than most mines on land, and a signal of where China's resource ambitions and its deep-sea mining industry are heading.











