陕西龙头沟金矿黄铁矿标型特征及其找矿意义

寸小妮,薛玉山,王瑜亮,刘新伟

Typomorphic Characteristics and Prospecting Significance of Pyrite in Longtougou Gold Deposit，Shaanxi Province

Xiaoni CUN,Yushan XUE,Yuliang WANG,Xinwei LIU

表2 龙头沟金矿Ⅳ-1号矿体黄铁矿组分及晶体化学式

Table 2 Composition and crystal chemical formula of pyrite in No.Ⅳ-1 orebody of Longtougou gold mine

样品编号 标高/m w（Fe）/% w（S）/% 晶体化学式 Lt-18-03-Py 1 080 44.48 53.82 Fe0.945S2 Lt-18-01-Py 1 080 44.98 53.85 Fe0.955S2 Lt-19-01-Py 1 080 37.21 60.86 Fe0.699S2 Lt-20-01-Py 1 080 39.33 58.95 Fe0.762S2 Lt-20-03-Py 1 080 37.98 59.49 Fe0.729S2 Lt-20-02-Py 1 080 39.77 59.69 Fe0.761S2 Lt-21-02-Py 1 080 43.93 53.92 Fe0.931S2 Lt-21-01-Py 1 080 44.64 54.13 Fe0.942S2 Lt-21-01-Py 1 080 44.87 53.93 Fe0.951S2 Lt-19-02-Py 1 080 32.00 65.25 Fe0.560S2 Lt-19-02-Py 1 080 28.66 67.80 Fe0.483S2 Lt-13-03-Py 1 120 43.66 53.51 Fe0.932S2 Lt-14-02-Py 1 120 43.70 53.95 Fe0.926S2 Lt-14-01-Py 1 120 44.46 53.35 Fe0.952S2 Lt-15-01-Py 1 120 42.14 55.72 Fe0.864S2 Lt-15-02-Py 1 120 43.83 55.91 Fe0.896S2 Lt-15-04-Py 1 120 42.16 55.81 Fe0.863S2 Lt-15-05-Py 1 120 44.94 52.71 Fe0.974S2 Lt-16-01-Py 1 120 45.13 53.11 Fe0.971S2 Lt-17-01-Py 1 120 44.74 53.38 Fe0.958S2 Lt-17-03-Py 1 120 45.12 53.19 Fe0.969S2 Lt-22-01-Py 1 160 45.33 53.42 Fe0.969S2 Lt-22-03-Py 1 160 45.27 53.57 Fe0.966S2 Lt-23-01-Py 1 160 45.06 53.96 Fe0.954S2 Lt-23-02-Py 1 160 44.96 53.46 Fe0.961S2 Lt-24-03-Py 1 160 44.79 53.71 Fe0.953S2