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老金厂地区位于吉林省桦甸县东南部,大地构造位于华北地台北缘,铁岭——靖宇隆起的东段。1972年吉林省地质局区调队吴水波等人,把吉林东南部的太古界由下至上分为四道砬子河组、杨家店组及三道沟组,并指出三道沟组与其下的地层存在构造不协调现象。1979年董南庭总工程师提出杨家店组上部及三道沟组属太古代绿岩建造。近几年来,吉林省区调队、沈阳地质矿产研究所在该区相继发现麻粒岩相变质杂
Old gold factory area is located in the southeast of Huadian County, Jilin Province, the earth structure located in the northern margin of North China platform, Tieling - Jingyu uplift in the eastern section. In 1972, Jilin Provincial Bureau of Geological Survey dispatched Wu Shuibo and others to divide the Archean in southeastern Jilin from bottom to top into four Daozihe Formation, Yangjiadian Formation and Sandaogou Formation. The existence of strata in the formation of uncoordinated phenomenon. In 1979, Chief Engineer Dong Nanting proposed that the upper part of Yangjiadian Formation and the Archean Greenstone of Sandaogou Formation. In recent years, Jilin Province Tiaonai, Shenyang Institute of Geology and Mineral Resources in the area have been found granulite facies metamorphism