Study on the Material Composition and Occurrence State of Yingfengya Lead Zinc Copper Polymetallic Deposit, Jinzhai County, Anhui Province
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摘要:
通过镜下大量的光片、薄片鉴定，大量的矿物粒径、含量测量统计，主要有用矿物的单矿物提纯，X射线分析、化学多元素分析等综合研究手段，针对迎峰崖铅锌矿床开展细致的矿物学、矿相学和矿床地质学等多方面研究，重点查明本矿床的矿物组成、嵌布特征、矿石化学组成等，确定矿床中有益、有害组分及其赋存状态。
Abstract:Through a large number of light and thin section identification under the microscope, a large number of mineral particle size and content measurement statistics, the main useful mineral purification, X-ray analysis, chemical multi-element analysis and other comprehensive research means, the detailed mineralogy, mineralogy and deposit geology research are carried out for yingfengya lead-zinc deposit, focusing on the mineral composition and imbued characteristics of the deposit to determine the beneficial and harmful components and their occurrence state in the deposit.
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方铅矿 闪锌矿 粒级/mm 占有率/% 累计/% 粒级/mm 占有率/% 累计 /% +2 64.22 64.22 +2 19.87 19.87 -2+1.651 2.65 66.87 -2+1.651 0 19.87 -1.651+1.168 5.29 72.16 -1.651+1.168 9.73 29.6 -1.168+0.833 2.94 75.1 -1.168+0.833 11.78 41.38 -0.833+0.589 6.94 82.04 -0.833+0.589 5.96 47.34 -0.589+0.417 2.1 84.14 -0.589+0.417 11.36 58.7 -0.417+0.295 3.58 87.72 -0.417+0.295 8.74 67.44 -0.295+0.208 1.38 89.1 -0.295+0.208 7.5 74.94 -0.208+0.147 2.32 91.42 -0.208+0.147 7.05 81.99 -0.147+0.104 1.8 93.22 -0.147+0.104 4.85 86.84 -0.104+0.074 1.82 95.04 -0.104+0.074 4.39 91.23 -0.074+0.043 2.11 97.15 -0.074+0.043 4.33 95.56 -0.043+0.02 2.39 99.54 -0.043+0.02 4.04 99.6 -0.02 0.46 100.00 -0.02 0.41 100.00 合计 100.00 / 合计 100.00 / 
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表 2 原矿多元素化学分析/%
Table 2. Multi element chemical analysis of raw ore
Pb Zn Cu Au* Ag* SiO2 Al2O3 2.09 0.81 0.057 0.095 28.7 71.14 5.64 *单位为：g/t。
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表 3 原矿铅物相分析
Table 3. Lead phase analysis of the raw ore
矿物
名称铅矾
中Pb白铅
矿中Pb方铅
矿中Pb磷（砷矾）
氯铅矿其他形态难
溶铅矿中Pb合计 含量/% 0.0078 0.04 2.03 0.0097 0.0066 2.0941 分布率/% 0.37 1.91 96.94 0.46 0.32 100.00
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表 4 原矿锌物相分析
Table 4. Phase analysis of the raw zinc
矿物名称 锌氧化
物总量硫酸锌 硫化锌 其他形态
锌矿物合计 含量/% 0.015 0.0004 0.77 0.0039 0.7893 分布率/% 1.90 0.05 97.55 0.5 100.00
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表 5 方铅矿、闪锌矿单矿物化学分析结果/%
Table 5. Chemical analysis results of galena and sphalerite
元素 Au* Ag* Se* Te* Bi* Cd* Sb* Ga* Tl* In* Ge* S Pb Zn Fe Mn 方铅矿 <1 271.05 0.02 - 6.13 - 12.2 - 0.159 0.31 - 12.65 85.16 - 0.35 - 闪锌矿 <1 60.02 - 17.62 - 2716 - 0.054 0.044 - 0.76 30.05 - 59.51 2.69 0.088 *单位为：g/t。
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表 6 精矿产品化学多元素分析
Table 6. Chemical multi element analysis of concentrate products
名称 Pb Zn Cu Au* Ag* S Al2O3 SiO2 铅精矿 67.62 0.54 1.63 0.6 856 14.30 0.034 - 锌精矿 0.32 55.20 0.21 0.81 26.9 28.60 - 7.68 *单位为：g/t。
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