陕西东沟坝金银矿床黄铁矿标型性研究

Study on Pyrite Typomorphic Peculiarities of Donggouba Gold-Silver Deposit, Shaanxi

陕西东沟坝金银矿床黄铁矿成分亏硫,低 Co,Co/Ni<0.5,晶形以 a、ae和aeo聚形为主,热电性以n、Pn型为主,矿床四维上的特征表明其具复成因标型。通过研究,总结出黄铁矿的矿化标志:硫亏损少,热电系数为常见值,且离散极差大,形态系数在14～-152之间。

The component of the pyrites has a deficit in sulphur and much J low in cobalt. The crystal form is mainly in a, ae and aeo type, and the thermoelectric peculiarities are n or pn type. The typomorphic characteristics in the four dimensions of the deposit show that it is of polygenetic type. The peculiarities of pyrites as follows are ore guide: less deficit in sulphur, a paramater with the mean value and large variance value, crystal form value varieting in 14^-152.