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黄铁矿热电性研究在庞家河金矿评价中的应用 被引量:8

APPLICATIONS ON PYRITE PYROELECTRICITY TO THE EVALUATION OF GOLD DEPOSIT IN PANGJIAHE
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摘要 庞家河金矿载金矿物黄铁矿的热电性测量结果为:热电系数(α)均为正值,平均223.075μv/℃,属空穴型(P型)导电。根据热电系数数值求得的热电性参数数位集中在(50~70)之间,反映庞家河金矿矿体剥蚀程度不大,属中上部出露;相对矿化总长度的剥蚀百分比为30%~35%,并根据热电性参数求得矿体的总延伸深度L=1204m,矿体的尖灭深度L0=805m。该计算结果与后来进行的矿床勘探结果基本吻合。 The pyroelectricity measured from pyrite, a Au-bearing mineral in Pangjiahe gold deposit, has been reached. Pyroelectric coefficient is all positive, and average figure is 223. 075μv/℃ belonging to a hole - type (p -type) electric conduction. Pyroelectricity parameter computed is to be 50~70 according to pyroelectric cofficient, showing denudation degree of the orebodies is no serious. Total length of denudation is 30~35%. In addition, total elongated depth (L= 1204m) and thin oup depth of the orebodies (L, = 8o5m) have been conducted according to pyroelectricity parameter, The result calculated is roughly identical with the result explored for the deposit afterwards.
出处 《陕西地质》 1995年第1X期54-60,共7页 Geology of Shaanxi
基金 国家黄金局资助
关键词 黄铁矿 热电系数 剥蚀百分比 矿体 庞家河 Pyrite pyroelectric coefficient denudation percentage orebody Panjiahe
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