山东烟台发现海底巨型金矿

Group 1 - The article highlights the discovery of the largest underwater giant gold mine in Asia, located in the northern waters of Sanshan Island, Laizhou City, which is the only one of its kind in China [2] - The total proven gold resource reserves in Yantai City exceed 3,900 tons, accounting for approximately 26% of the national total, with both gold resource reserves and production ranking first in the country [2]