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产于太古宙中深变质岩中的金矿床在我国华北东北地区分布很广，成矿时代主要靠同位素年龄及其与后期岩浆活动的关系来确定。夹皮沟金矿是该型矿床中工作较多且有代表性的一个矿床，对其成矿时代有前寒武纪（Ar、Pt）成矿、显生宙（海西、海西一印支、燕山）成矿及前寒武纪十显生亩成矿等不同认识。本文根据矿脉与海西期花岗闪长岩及脉岩的关系，以及含金石英包裹体Rb－sr等时线年龄资料，认为成矿属海西期或海西一印支期，可能有燕山期的叠加。由于石英含过剩氩，故所得元古宙Ar－Ar、K－Ar表面年龄无地质意义，锆石可能具继承性，其太古宙年龄不能肯定为成矿时代。该矿是否有前寒武纪成矿期尚待进一步工作。
The gold deposits produced in the Archean Middle-deep Metamorphic Rock are widely distributed in northeastern North China, and the age of mineralization mainly depends on the age of isotopes and their relationship with the magmatism in the later period. The Jiapigou gold deposit is one of the more typical and representative ore deposits in this type of deposit. For its metallogenic epoch, there are Precambrian (Ar, Pt) mineralization, Phanerozoic (Hercynian, Hercynian, Branch, Yanshan) metallogenic and Precambrian ten Xian Mu mineralization and other different understanding. Based on the relationship between the veins and the Hercynian granodiorite and veins, and the Rb-sr isochron age data of gold-bearing quartz inclusions, it is considered that the mineralization belongs to Hercynian or Hercynian-Indosinian and may have Yanshan superimposed. Due to the excess argon in the quartz, the age of Ar-Ar and K-Ar surface in the Proterozoic obtained is of no geological significance. The zircon may have inheritance, and the age of the Archean is not certain to be the metallogenic epoch. Does the mine have the Precambrian mineralization yet to be further worked?