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    内蒙古维拉斯托-拜仁达坝矿床矿石特征及成矿机理

    唐然坤 吕新彪 曹晓峰 梅微 尚世超 吴建亮 艾智龙

    唐然坤, 吕新彪, 曹晓峰, 梅微, 尚世超, 吴建亮, 艾智龙, 2014. 内蒙古维拉斯托-拜仁达坝矿床矿石特征及成矿机理. 地球科学, 39(6): 671-686. doi: 10.3799/dqkx.2014.063
    引用本文: 唐然坤, 吕新彪, 曹晓峰, 梅微, 尚世超, 吴建亮, 艾智龙, 2014. 内蒙古维拉斯托-拜仁达坝矿床矿石特征及成矿机理. 地球科学, 39(6): 671-686. doi: 10.3799/dqkx.2014.063
    Tang Rankun, Lü Xinbiao, Cao Xiaofeng, Mei Wei, Shang Shichao, Wu Jianliang, Ai Zhilong, 2014. Mineralogy and Metallogenic Mechanism of Weilasituo and Bairendaba Deposits, Inner Mongolia, China. Earth Science, 39(6): 671-686. doi: 10.3799/dqkx.2014.063
    Citation: Tang Rankun, Lü Xinbiao, Cao Xiaofeng, Mei Wei, Shang Shichao, Wu Jianliang, Ai Zhilong, 2014. Mineralogy and Metallogenic Mechanism of Weilasituo and Bairendaba Deposits, Inner Mongolia, China. Earth Science, 39(6): 671-686. doi: 10.3799/dqkx.2014.063

    内蒙古维拉斯托-拜仁达坝矿床矿石特征及成矿机理

    doi: 10.3799/dqkx.2014.063
    基金项目: 

    内蒙古基金中心矿调项目 NMKD2010-3

    详细信息
      作者简介:

      唐然坤(1988-),女,在读研究生,主要从事矿物学、岩石学及矿床学方面的研究工作.E-mail: tangrankun@foxmail.com

      通讯作者:

      吕新彪,E-mail: Lvxb_01@163.com

    • 中图分类号: P611

    Mineralogy and Metallogenic Mechanism of Weilasituo and Bairendaba Deposits, Inner Mongolia, China

    • 摘要: 维拉斯托-拜仁达坝锌铜多金属矿床为近几年大兴安岭中南段西坡发现的较大的2个银多金属矿床,主要对2个矿床矿石矿物组合分析和对比,对主要的矿石矿物组合进行扫描电子显微镜-能谱分析和电子探针分析显示:从早期到晚期,矿物组合从高温钨酸盐和氧化物-复硫化物-硫化物-低温含锑硫盐矿物(锑化物);银的赋存状态主要为可见银矿物,其次为晶格银(类质同象)和次显微包裹银,其中生成顺序依次为含银黝铜矿+银锑黝铜矿+黝锑银矿-辉锑铅银矿+柱硫锑铅银矿+深红银矿+锑银矿.根据不同成矿阶段的矿物组合和流体包裹体特征得出:成矿早期在氧化偏酸性环境下,W、Sn等以钨酸、钨酸盐等形式迁移,Zn2+、Pb2+、Cu+等金属离子以氯络合物形式迁移;随着黑钨矿气化沉淀及成矿流体物理化学条件的变化,成矿中-晚期成矿环境变为弱碱性还原条件,成矿流体中金属离子以硫氢络合物迁移为主,伴着温度降低和围岩的水-岩作用,硫氢络合物分解,导致磁黄铁矿等硫化物、硫锑银矿物、硫锑铅矿等依次沉淀.

       

    • 图  1  维拉斯托-拜仁达坝矿床区域地质简图

      a.区域构造略图;b.区域地质简图(据刘建明等,2004修改);1.第四系;2.上侏罗统满克头鄂博组;3.下侏罗统万宝组;4.上二叠林西组;5.下二叠大石寨组;6.上石炭统阿木山组;7.上石炭统本巴图组;8.下古生界宝音图组;9.燕山期花岗岩;10.燕山期花岗斑岩;11.海西期闪长岩;12.断裂;13.复背斜;14.矿区范围;15.矿点和主矿脉

      Fig.  1.  Regional sketch geological map of Weilasituo-Bairemdaba deposits

      图  2  维拉斯托-拜仁达坝矿床矿区地质图

      图a为维拉斯托矿床,据内蒙古自治区克什克腾旗拜仁达坝矿区银多金属矿详查报告,内蒙古自治区第九地质矿产勘查开发院,2003;其中:1.第四系;2.下古生界黑云斜长片麻岩;3.海西期石英闪长岩;4.矿脉及编号;5.石英脉;6.闪长岩脉.图b为拜仁达坝矿床改自常勇和赖勇,2010;其中:1.第四系;2.下元古界黑云斜长片麻岩;3.海西期石英闪长岩;4.燕山期花岗岩;5.斜长角闪岩脉;6.褐铁矿化带;7.石英脉;8.花岗岩脉;9.矿体及编号;10.推测的北西向断裂

      Fig.  2.  The Geological sketch map of Weilasituo and Bairendaba deposits

      图  3  维拉斯托-拜仁达坝矿床矿化特征和矿石构造

      a~d.维拉斯托矿床;e~i.拜仁达坝矿床;a.石英脉型矿石围岩角岩化-辉钼矿矿化-毒砂矿化;b.1175中段石英脉型钨锡多金属矿脉;c.1225中段锌铜多金属矿脉;d.1275中段胶结角砾状构造,角砾状锌铜矿石被晚期绢云母胶结;e.早期硅化蚀变-Q-Apy-Sp;f.矿脉和蚀变,从右到左依次为绿泥石化-Apy+Q-早期Po+Sp-中期块状Sp;g.闪锌矿斑点呈定向以及受构造应力影响,定向性较好;h.中期脉状闪锌矿化,围岩蚀变距矿脉越远越弱;i1.晚期绢云母萤石胶结角砾状铅锌矿石;i2.晚期萤石和绢云母胶结锌铜角砾状矿石,黄铜矿细脉穿插闪锌矿;Sp.闪锌矿(黑色);Apy.毒砂(钢灰色);Po.磁黄铁矿(暗黑铜黄色-褐锖色);Ccp.黄铜矿(黄铜黄色-蓝紫褐色的斑状锖色);Gn.方铅矿(铅灰色);Brs.辉钼矿(亮铅灰色);Wol.黑钨矿;Cst.锡石;Q.石英;Fl.萤石(紫色);Ms.白云母类(浅黄色)

      Fig.  3.  Features of mineralization and ores' structures in Weilasituo and Bairendaba

      图  4  维拉斯托-拜仁达坝矿床主要矿物组成及其结构关系

      a, b1, c1, d, f, i, j, l.维拉斯托矿床照片(WL);b2, c2, e, g, h, k.拜仁达坝矿床照片(BR).a.WL-31,黑钨矿-白钨矿-斜方砷铁矿,且黑钨矿分布在白钨矿裂隙中;b.WL-33;b1.斜方砷铁矿镶嵌在锡石中,自然铋被辉铋矿交代溶蚀;b2.方铅矿交代稍早的浅色闪锌矿和黝锡;c.WL-13&BR-4,矿物的生成交代顺序为早期毒砂和胶状黄铁矿-磁黄铁矿-铁闪锌矿;d.WL-43,铁闪锌矿包围早期自形晶毒砂;e.BR-21,铁闪锌矿中的磁黄铁矿和黄铜矿的固溶体出溶结构;f.WL-9,磁黄铁矿和黄铜矿中的星状闪锌矿出溶结构;g.BR-10,黄铜矿穿插铁闪锌矿的网脉结构;h.BR-36,方铅矿中蠕虫状银锑黝铜矿和辉锑铅银矿;i.WL-39,方铅矿中的柱硫锑铅银矿的出溶结构和银锑黝铜矿中方铅矿的不混溶结构;j.WL-55,黝锑银矿中的黄铜矿和方铅矿的不混溶结构,深红银矿交代黝锑银矿分布在其边界;k.BR-38,稍晚脆硫锑铅矿交代稍早银锑黝铜矿;l.WL-69,针状硫锑铅矿穿插稍早黄铜矿;Wol.黑钨矿;Sh.白钨矿;Lo.斜方砷铁矿;Cst.锡石;Bsm.自然铋;Bmt.辉铋矿;Apy.毒砂;c-Py.胶状黄铁矿;Po.磁黄铁矿;Sp.闪锌矿;Stn.黝锡矿;Ccp.黄铜矿;Gn.方铅矿;Ag-Td.银锑黝铜矿;Frb.黝锑银矿;Dp.辉锑铅银矿;Frs.柱硫锑铅银矿;Pyr.深红银矿;Jmt.脆硫锑铅矿;Blr.硫锑铅矿;Q.石英

      Fig.  4.  Composition of the main minerals and their texture relationships in Weilasituo and Bairendaba

      图  5  热液期成矿阶段及矿物生成顺序

      Fig.  5.  Stages of hydrothermal mineralization and corresponding mineral sequences

      图  6  主要银矿物的背散射电子图像

      a.(WL-11)辉锑铅银矿和黝锑银矿呈不规则状分布在方铅矿中,黝锑银矿中方铅矿的不混溶包裹物;b.(WL-11)黝锑银矿包裹硫银锡矿,呈不规则状分布;c.(WL-11)深红银矿和黝锑银矿分布在方铅矿与石英边界;d.(BR-13)银黝铜矿分布在黄铜矿和方铅矿边界;Caf.硫银锡矿,其他矿物代号同图 4

      Fig.  6.  BSE images of the main silver minerals

      图  7  维拉斯托-拜仁达坝矿床成矿元素相关系数矩阵

      左图为拜仁达坝矿床1号矿体,数据王力和孙丰月,2008;右图为维拉斯托矿床1号矿体,数据引自内蒙古自治区克什克腾旗维拉斯托矿区铜锌多金属矿详查报告内蒙古自治区第九地质矿产勘查开发院,2003

      Fig.  7.  Metallicelement correlation coefficients of Weilasituo and Bairendaba deposits

      图  8  不同矿物组合特征及成矿条件特征

      线长度代表矿物组合发育阶段,粗细代表相对含量

      Fig.  8.  The characteristics of different mineral associations and metallogenic conditions

      表  1  维拉斯托-拜仁达坝矿床矿石矿物成分电子探针数据

      Table  1.   EMP data of ore mineral from the Weilasituo and Bairendaba deposits

      序号 矿物名称 样品编号 O Mg Fe Ca Mn W Sn Total 分子式
      1 黑钨矿 WL-65-1 20.71 b.d. 14.39 b.d. 4.72 58.28 b.d. 98.106 (Fe0.813, Mn0.271)WO4
      2 黑钨矿 WL-65-2 20.97 b.d. 14.32 0.05 4.75 59.23 b.d. 99.323 (Fe0.795, Mn0.269)WO4
      3 白钨矿 WL-31-1 22.38 b.d. b.d. 15.21 b.d. 62.45 b.d. 100.037 Ca1.117WO4
      4 白钨矿 WL-31-2 22.49 0.03 b.d. 15.17 b.d. 62.87 b.d. 100.555 Ca1.107WO4
      5 锡石 WL-33-1 21.66 0.03 0.06 4.62 b.d. b.d. 73.37 99.733 (CaO)0.186-SnO2
      6 锡石 WL-33-2 22.01 0.05 0.03 4.68 b.d. b.d. 74.00 100.762 (CaO)0.187-SnO2
      序号 矿物名称 样品编号 As Fe S Ni Pb Cu Bi Co Ag Zn Sn Cd Sb Total 分子式
      7 斜方砷铁矿 WL-33-5 71.750 27.640 0.304 0.007 b.d. b.d. b.d. 0.109 b.d. 0.011 b.d. b.d. b.d. 99.821 FeAs1.935(S0.019)
      8 斜方砷铁矿 WL-31-3 73.020 27.920 0.286 0.019 b.d. 0.016 b.d. 0.035 0.029 b.d. 0.005 b.d. b.d. 101.330 FeAs1.94(S0.02)
      9 辉铋矿 WL-38-12 0.709 0.021 12.060 0.028 0.769 b.d. 80.810 0.002 0.033 0.087 b.d. b.d. b.d. 94.519 Bi2S3(-Bi2O3)
      10 自然铋 WL-33-3 0.684 1.580 0.848 b.d. 0.740 b.d. 96.010 0.039 b.d. 0.009 b.d. b.d. b.d. 99.910 Bi
      11 自然铋 WL-33-9 0.203 0.041 b.d. b.d. 0.181 0.032 91.790 b.d. 0.056 0.065 b.d. b.d. b.d. 92.367 Bi(-Bi2O3)
      12 毒砂 WL-33-8 45.980 33.970 18.730 b.d. 0.142 b.d. b.d. 0.206 0.043 0.012 0.043 0.084 b.d. 99.210 FeAs1.009S0.961
      13 毒砂 WL-38-11 43.860 34.260 19.880 b.d. 0.099 0.052 b.d. 0.079 b.d. 0.032 b.d. 0.004 b.d. 98.266 FeAs0.954S1.011
      14 早-方黝锡矿 WL-31-4 b.d. 3.470 28.390 b.d. 0.029 29.740 0.038 0.001 b.d. 10.960 25.330 0.011 b.d. 97.970 Cu2.194(Fe0.291, Zn0.786)1.077SnS4.15
      15 早-方铅矿 WL-31-5 0.032 0.042 12.140 0.014 85.010 b.d. b.d. 0.031 0.404 0.001 0.040 0.353 b.d. 98.066 Pb1.08S(含Ag)
      16 浅色闪锌矿 WL-33-7 b.d. 0.615 32.560 0.015 0.161 0.030 b.d. 0.002 b.d. 65.000 b.d. 0.691 b.d. 99.074 ZnS
      17 浅色闪锌矿 WL-10-3 b.d. 2.400 33.920 b.d. 0.025 0.200 b.d. 0.024 b.d. 63.490 b.d. b.d. 0.030 100.089 Zn0.92Fe0.04S
      18 黄铁矿 WL-31-9 0.332 46.780 51.420 0.010 0.258 0.028 b.d. 0.102 0.054 0.038 b.d. b.d. b.d. 99.022 FeS2
      19 胶状黄铁矿 WL-13-1 0.001 46.670 52.370 0.038 0.213 0.045 b.d. 0.093 0.033 0.025 b.d. b.d. 0.030 99.517 FeS1.955
      20 胶状黄铁矿 WL-13-2 b.d. 46.550 41.570 0.014 b.d. 0.004 b.d. 0.081 b.d. 0.015 0.040 0.048 b.d. 88.322 FeS1.56
      21 胶状黄铁矿 WL-13-3 0.035 46.630 51.290 0.006 0.296 b.d. b.d. 0.079 0.021 0.014 0.012 0.011 0.011 98.404 FeS1.916
      22 胶状黄铁矿 WL-13-4 0.119 50.580 33.150 0.010 0.232 0.033 b.d. 0.074 b.d. b.d. b.d. b.d. 0.024 84.222 FeS1.14
      23 胶状黄铁矿 WL-13-5 0.055 46.740 51.360 b.d. b.d. 0.045 b.d. 0.085 b.d. 0.020 b.d. b.d. 0.160 98.466 FeS1.914
      24 铁闪锌矿 WL-54-4 b.d. 10.400 34.040 0.012 0.005 b.d. b.d. b.d. b.d. 55.250 0.093 b.d. 0.034 99.834 Zn0.796Fe0.175S
      25 铁闪锌矿 WL-57-3 0.089 10.450 33.520 0.014 0.195 b.d. b.d. 0.019 b.d. 54.520 0.014 b.d. b.d. 98.820 Zn0.798Fe0.179S
      26 磁黄铁矿 WL-9-2 b.d. 60.130 39.890 0.040 0.112 0.061 b.d. 0.093 b.d. 0.008 0.100 0.022 b.d. 100.456 Fe0.865S
      27 磁黄铁矿 WL-5-5 b.d. 60.960 38.010 0.018 0.122 b.d. b.d. 0.114 0.005 b.d. b.d. 0.018 b.d. 99.247 Fe0.920S
      28 黄铜矿 WL-11-12 0.020 28.800 32.220 b.d 2.690 32.920 b.d 0.030 1.850 0.330 b.d. b.d. 1.150 100.010 CuFeS2
      29 (Ag)黄铜矿 WL-55-3 0.008 24.700 31.270 0.026 0.197 29.140 b.d 0.030 9.630 0.315 b.d. b.d. 3.160 98.475 Cu0.94Fe0.908Ag0.180Sb0.06S2
      30 方铅矿 WL-54-1 b.d 0.035 12.610 b.d 86.660 0.015 b.d 0.003 0.277 0.516 0.004 0.453 0.263 100.837 PbS(含Ag, Zn, Cd)
      31 (Ag)方铅矿 WL-57-5 b.d b.d 13.500 0.016 79.350 0.038 b.d 0.029 3.600 b.d. b.d. 0.195 3.960 100.688 Pb0.91Ag0.08Sb0.08S
      32 含银黝铜矿 WL-10-1 2.430 2.350 24.200 0.037 b.d 36.680 3.850 0.004 1.920 4.960 b.d. b.d. 21.350 97.780 (Cu, Ag)10.037(Fe, Zn)2(As, Sb)3.815S12.733
      33 含银黝铜矿 WL-10-2 3.410 2.460 24.950 0.019 0.009 37.270 4.030 b.d. 1.870 4.800 b.d. b.d. 20.260 99.078 (Cu, Ag)10.243(Fe, Zn)2(As, Sb)3.922S13.200
      34 辉锑铅银矿 WL-54-2 0.060 0.082 17.790 b.d 30.720 0.002 b.d 0.018 23.560 0.404 b.d. b.d. 27.990 100.625 Ag2.96Pb2Sb3.11S7.52
      35 辉锑铅银矿 WL-57-1 0.105 b.d 17.870 b.d 30.550 b.d b.d b.d. 23.790 0.002 b.d. b.d. 27.290 99.607 Ag3.01Pb2Sb3.1S7.61
      36 黝锑银矿 WL-11-1 0.190 4.690 20.100 b.d 0.240 13.100 b.d b.d 34.020 1.230 b.d. b.d. 26.420 100.010 Ag3.07Cu2.00(Fe, Zn)(As, Sb)2.11S6.09
      37 黝锑银矿 WL-11-7 b.d 4.570 20.030 b.d 0.242 13.630 0.050 0.036 33.700 1.700 b.d. b.d. 26.150 100.108 Ag2.90Cu1.99(Fe, Zn)(As, Sb)1.99S5.79
      38 黝锑银矿 WL-57-2 0.034 4.100 18.550 b.d 18.990 10.400 b.d 0.015 28.190 0.696 b.d. b.d. 20.780 101.755 Ag2.90Cu1.99(Fe, Pb)(As, Sb)1.99S5.79
      39 硫银锡矿 WL-11-2 0.057 0.041 18.310 b.d 0.316 0.149 b.d b.d 67.810 0.079 11.960 b.d. b.d. 98.723 Ag48.085Sn7.711S43.7
      40 黝锡矿 WL-55-5 0.077 12.400 29.090 0.009 0.026 29.010 b.d b.d 0.709 1.020 25.840 b.d. b.d. 98.181 Cu2.097Fe1.02SnS4.168
      41 深红银矿 WL-11-3 b.d b.d 16.880 b.d 0.089 0.010 b.d 0.026 58.590 0.336 b.d. b.d. 21.490 97.421 Ag2.98SbS3.08
      42 深红银矿 WL-55-4 0.121 0.093 16.570 0.008 0.152 0.183 b.d 0.024 58.080 b.d. b.d. b.d. 23.310 98.540 Ag2.70SbS2.81
      43 柱硫锑铅银矿 WL-57-4 0.114 0.036 16.800 0.006 44.350 b.d. b.d b.d 18.330 0.015 b.d. b.d. 20.900 100.553 PbAgSbS3
      44 硫锑铅矿 WL-69-5 0.125 0.099 17.470 b.d 54.600 0.059 b.d b.d 0.021 0.111 b.d. 0.185 24.350 97.020 Pb5Sb4S11
      45 硫锑铅矿 WL-69-6 0.101 0.612 17.740 b.d 54.730 0.169 b.d 0.008 b.d. b.d. b.d. 0.230 25.440 99.030 Pb5Sb4S11
      46 毒砂 BR-4-9 44.870 34.830 20.820 b.d b.d 0.026 b.d 0.099 b.d. 0.041 b.d. b.d. 0.212 100.897 FeAsS
      47 毒砂 BR-7-5 44.030 35.230 20.130 b.d 0.145 0.004 b.d 0.047 b.d. 0.028 0.005 b.d. 0.076 99.696 FeAsS
      48 磁黄铁矿 BR-41-1 0.038 59.080 39.020 b.d 0.154 0.001 b.d 0.102 0.010 0.046 b.d. b.d. 0.062 98.514 Fe0.869S
      49 磁黄铁矿 BR-4-1 b.d 47.120 52.580 b.d. 0.060 b.d b.d 0.060 b.d. 0.160 0.010 b.d. b.d. 99.980 Fe0.896S(出溶物)
      50 磁黄铁矿 BR-4-2 b.d 59.960 39.100 0.044 0.112 b.d b.d 0.128 0.003 1.090 0.022 0.014 0.041 100.514 Fe0.880S
      51 铁闪锌矿 BR-4-3 b.d 10.130 33.230 b.d 0.275 0.004 b.d 0.047 b.d. 54.870 b.d. 0.007 0.038 98.600 Zn0.810Fe0.175S
      52 黄铁矿 BR-7-6 0.005 44.800 49.190 0.010 0.119 0.003 b.d 0.099 0.026 0.104 b.d. b.d. 0.069 94.424 FeS1.913
      53 黄铁矿 BR-7-4 b.d 46.860 52.710 b.d 0.100 0.010 b.d 0.057 0.012 0.012 0.013 0.035 0.001 99.809 FeS2
      54 胶状黄铁矿 BR-4-4 b.d 46.340 51.560 b.d 0.117 b.d b.d 0.079 0.040 0.045 0.012 0.030 b.d. 98.222 FeS1.94
      55 胶状黄铁矿 BR-4-5 b.d 45.680 49.040 b.d 0.128 b.d b.d 0.049 0.046 0.066 b.d. b.d. b.d. 95.010 FeS1.87
      56 胶状黄铁矿 BR-4-6 b.d 46.510 50.580 0.010 0.137 b.d b.d 0.076 0.003 b.d. b.d. b.d. 0.045 97.361 FeS1.89
      57 胶状黄铁矿 BR-4-7 0.022 45.730 50.770 0.010 0.098 b.d b.d 0.068 b.d. 0.051 b.d. b.d. 0.060 96.808 FeS1.93
      58 胶状黄铁矿 BR-4-8 0.003 46.030 51.680 b.d 0.104 0.049 b.d 0.089 0.007 0.058 b.d. b.d. 0.015 98.036 FeS1.95
      59 黄铜矿 BR-36-4 b.d 30.390 34.300 b.d 0.209 34.720 b.d 0.036 0.037 0.003 0.232 b.d. b.d. 99.927 CuFeS2
      60 (Ag)黄铜矿 BR-13-4 b.d. 28.470 33.350 0.020 0.130 31.740 b.d 0.080 6.530 0.100 0.150 0.060 0.030 100.660 Cu0.881Fe0.900Ag0.107S2
      61 黝锡矿 BR-14-2 b.d 11.990 30.180 0.030 0.330 30.150 b.d 0.020 1.810 0.670 25.230 0.060 b.d. 100.460 Cu2.016(Fe0.912Zn0.044)Sn0.903S4
      62 方黝锡矿 BR-41-3 b.d 12.320 29.720 b.d 0.251 29.200 b.d 0.064 0.049 2.100 26.670 b.d. b.d. 100.374 Cu1.983(Fe0.952Zn0.138)Sn0.969S4
      63 方铅矿 BR-41-4 0.010 b.d 12.660 0.008 86.010 0.017 b.d b.d. 0.206 b.d. 0.053 0.102 0.110 99.176 PbS
      64 银锑黝铜矿 BR-10-1 0.196 5.710 23.660 b.d 0.072 27.280 0.143 b.d. 15.560 2.010 b.d. b.d. 26.870 101.501 (Cu, Ag)10.10(Fe, Zn)2.35(As, Sb)3.93S13
      65 银锑黝铜矿 BR-38-2 0.136 5.120 22.850 b.d 0.143 23.830 b.d b.d. 19.120 1.430 b.d. b.d. 27.310 99.939 (Cu, Ag)10.07(Fe, Zn)2.06(As, Sb)4.12S13
      66 黝锑银矿 BR-14-1 0.023 5.600 21.820 b.d 1.050 20.990 b.d b.d. 22.520 0.458 b.d. 0.132 27.100 99.692 (Ag, Cu)10.30(Fe, Zn)2.15(As, Sb)4.25S13
      67 黝锑银矿 BR-41-2 0.104 5.610 22.350 b.d 0.205 21.180 0.007 0.011 23.360 0.956 b.d. 0.057 27.920 101.760 (Ag, Cu)10.25(Fe, Zn)2.16(As, Sb)4.3S13
      68 黝锑银矿 BR-13-3 0.144 8.320 22.690 0.012 0.056 21.340 b.d. b.d. 23.240 0.718 b.d. 0.123 23.110 99.753 (Ag, Cu)10.124(Fe, Zn)2.94(As, Sb)3.48S13
      69 脆硫锑铅矿 BR-38-1 0.154 2.590 20.450 0.011 39.260 0.021 b.d. b.d. b.d. 0.056 b.d. 0.117 34.980 97.639 Pb2Pb2FeSb6S14
      70 脆硫锑铅矿 BR-38-3 0.111 2.560 20.970 0.001 40.130 0.020 b.d. b.d. b.d. b.d. b.d. 0.130 35.580 99.501 Pb2Pb2FeSb6S14
      71 斜辉锑铅矿 BR-36-2 0.099 0.023 16.890 b.d. 60.640 1.150 b.d. b.d. b.d. 0.003 b.d. 0.289 19.960 99.054 Pb13CuSb7S24
      注:单位为wt.%;WL代表维拉斯托矿床样品数据;BR代表拜仁达坝矿床样品数据;b.d.表示低于检测限的元素含量.
      下载: 导出CSV
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