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在前人工作的基础上,主要根据沿片理形成的矿石与脉状矿石中石英流体包裹体的明显差异和后者流体包裹体Rb-Sr等时线年龄为（86±1.4）Ma,提出该矿床经历了两次成矿作用,燕山晚期脉状矿体叠加在前人提出的印支期沿片岩片理形成的矿体之上,为多期复成中-低温热液矿床。
Based on the previous work, based on the significant difference between the quartz fluid inclusions in the ore-vein and vein-shaped ore formed along the plate and the Rb-Sr isochron age of the latter fluid inclusions (86 ± 1.4) Ma, The deposit underwent two metallogenic processes. The late Yanshanian vein-like ore body superimposed on the previous Indosinian epoch-forming ore body is a multi-stage complex-intermediate-low temperature hydrothermal deposit.