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东坪式金矿床产于华北克拉通北缘深大断裂─—尚义－赤城断裂的南侧，海西期水泉沟正长岩杂岩体内外接触带。矿体具有明显的分层性，自上而下矿石类型由石英脉型向钾、硅化蚀变岩型过渡。矿床形成于燕山早期，成矿物质主要来源于正长岩杂岩体。矿石铅同位素组成与正长岩杂岩体相似，在~（２０７）Ｐｂ／~（２０６）Ｐｂ－~（２０８）Ｐｂ／~（２０６）Ｐｂ图解上，矿石、正长岩、矿石中的钾长石脉石及太古宇桑干群变质岩里线性分布，矿石与正长岩在铅同位素组成上更接近，而与太古宙变质岩有明显的区别。在穿脉剖面上，随着钾、硅化蚀变程度的增加，Ｕ、Ｔｈ含量降低，铅同位素矢量特征值Ｖ_１、Ｖ_２值随蚀变程度增加有降低的趋势，但近矿脉样品由于受矿化影响而不同于蚀变围岩。矿石和蚀变围岩的Ｖ_１、Ｖ_２值与其所处的海拔高度ｈ呈正相关关系，ｈｖ_１＝１３５１＋９．３Ｖ_１，相关系数ｒ＝０．７７；ｈｖ_２＝１２２２＋１７．２ Ｖ_２，相关系数ｒ＝０．９２。根据对华北克拉通金矿床铅同位素组成范围的研究资料，取Ｖ_１＝－７０，Ｖ_２＝－３０作为东坪式金矿矿石铅同位素组成的下限，则矿床可以延伸至７００ｍ左右的海拔高程，即东坪金矿床的垂向延伸可超过１０００ ｍ。表明有必要进一步加?
The Dongping-type gold deposit is located on the south side of the deep fault-Shangyi-Chicheng fault on the northern margin of the North China Craton, and the outer and inner contact zones of the Shuiquangang syenite complex in the Hercynian period. The orebodies have obvious stratification, and the top-down ore types transition from quartz vein type to potassium and siliconized altered rock type. The deposit was formed in the early Yanshanian. The ore-forming materials mainly come from the syenite complex. The ore lead isotopic composition is similar to that of the syenite. In the diagrams of ~ (207) Pb / ~ (206) Pb- ~ (208) Pb / ~ (206) Pb, The linear distribution of feldspathic rocks and the Archean Yusugan gneiss metamorphic rocks. The ore and syenite are more similar in lead isotopic compositions but distinct from Archean metamorphic rocks. With the increase of potassium and silicide alteration, the content of U and Th decreased and the V 1 and V 2 values of Pb isotope vectors tended to decrease along with the increase of alteration. However, due to the mineralization Influenced by the alteration of surrounding rock. There is a positive correlation between the V_1 and V_2 values of the ores and the alteration surrounding rock and the altitude h at which they are located, hv_1 = 1351 + 9.3V_1, correlation coefficient r = 0.77; hv_2 = 1222 + 17.2 V_2, correlation coefficient r = 0.92 . According to the research data on the range of lead isotope composition of the North China Craton gold deposit, taking V_1 = -70 and V_2 = -30 as the lower limit of the lead isotopic composition of ore from the Dongping gold deposit, the deposit can extend to an altitude of about 700m, The vertical extension of Dongping gold deposit can exceed 1000 m. Show that it is necessary to add further?