The gold deposits in the area began to run out in the 1970s, and exacerbated by depressed international gold prices and an incident in which sulfuric acid was leaked from a copper smelting plant, this led to the cessation of the Taiwan Metal Mining Company's business operations in 1987, also bringing Chinkuashih's golden age to an end.
該礦山自 70 年代以後金脈枯竭，又由於國際金價偏低，加上附近「禮樂煉銅廠」的硫酸外洩事件，1987 年台金公司宣佈結束營業，也為金瓜石的繁華歲月劃下句點。