绿柱石的矿物学特征:以喜马拉雅错那和珠峰地区 绿柱石为例
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陶湘媛, 谢磊, 王汝成, 章荣清, 胡欢, 刘晨
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Mineralogical characteristics of beryl: A case study of the beryls from Cuona and Qomolangma district in Himalaya
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Xiangyuan Tao, Lei Xie, Rucheng Wang, Rongqing Zhang, Huan Hu, Chen Liu
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表2 喜马拉雅淡色花岗岩带中绿柱石的化学成分特征
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Table 2 Representative compositions of beryl from Himalayan leucogranite belt
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| 岩体 | 库曲 | | | | | | 错那 | | | 错那洞 | | | | | | | | | 前进沟 | | |
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岩石 类型 | 伟晶岩 | | n=8 | 钠长花岗岩 | n=8 | 伟晶岩 | | n=16 | 伟晶岩? 细晶岩 | n=29 | 蚀变岩附近白云母花岗岩 | n=3 | 蚀变岩 | | n=8 | 伟晶岩 | | n=10 | | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | | EPMA (wt.%) | | | | | | | | | | | | | | | | | | | | | SiO2 | 64.65 | 64.04 | 64.29 | 65.66 | 64.19 | 65.10 | 66.37 | 64.74 | 65.32 | 66.43 | 64.61 | 65.66 | 66.78 | 65.48 | 66.17 | 66.78 | 66.12 | 66.50 | 65.32 | 64.46 | 64.94 | | Al2O3 | 18.23 | 17.78 | 17.96 | 18.80 | 17.63 | 18.43 | 18.62 | 18.21 | 18.36 | 19.11 | 17.90 | 18.52 | 19.13 | 18.18 | 18.69 | 18.95 | 18.43 | 18.67 | 18.38 | 17.82 | 18.02 | | FeO | 0.77 | 0.60 | 0.65 | 0.98 | 0.13 | 0.41 | 0.43 | 0.18 | 0.27 | 0.99 | 0.21 | 0.49 | 0.64 | 0.10 | 0.42 | 0.60 | 0.18 | 0.34 | 0.92 | 0.61 | 0.80 | | MgO | 0.07 | 0.02 | 0.04 | 0.02 | - | 0.01 | 0.06 | - | 0.04 | 0.22 | - | 0.08 | 0.24 | 0.03 | 0.16 | 0.30 | 0.02 | 0.17 | 0.03 | 0.02 | 0.02 | | CaO | 0.03 | - | 0.02 | 0.03 | - | 0.02 | 0.03 | - | 0.01 | 0.04 | - | 0.01 | 0.08 | 0.01 | 0.03 | 0.02 | - | 0.01 | 0.01 | - | - | | BeO* | 12.54 | 12.38 | 12.45 | 12.96 | 12.16 | 12.54 | 13.62 | 13.25 | 13.37 | 13.63 | 12.94 | 13.39 | 13.56 | 13.23 | 13.39 | 13.74 | 13.31 | 13.58 | 13.06 | 12.84 | 12.94 | | BeOLA | 13.62 | 13.35 | 13.51 | | | | 14.74 | 14.27 | 14.51 | 14.82 | 14.34 | 14.54 | | | | | | | 14.23 | 13.93 | 14.07 | | Li2O* | | | | 0.72 | 0.42 | 0.60 | | | | | | | 0.24 | 0.20 | 0.22 | 0.31 | 0.05 | 0.16 | | | | | Li2OLA | 0.76 | 0.67 | 0.71 | | | | 0.23 | 0.12 | 0.16 | 0.11 | 0.06 | 0.08 | | | | | | | 0.19 | 0.18 | 0.19 | | Na2O | 1.08 | 1.03 | 1.06 | 1.34 | 0.76 | 1.07 | 0.31 | 0.18 | 0.24 | 0.53 | 0.17 | 0.30 | 0.48 | 0.40 | 0.44 | 0.62 | 0.08 | 0.30 | 0.63 | 0.52 | 0.57 | | K2O | 0.07 | 0.04 | 0.05 | 0.07 | 0.05 | 0.06 | 0.04 | - | 0.02 | 0.05 | - | 0.02 | 0.02 | - | 0.01 | 0.02 | - | 0.01 | 0.09 | 0.04 | 0.07 | | Cs2O | 0.42 | 0.17 | 0.25 | 1.07 | 0.32 | 0.57 | 0.31 | 0.01 | 0.09 | 0.35 | 0.01 | 0.09 | 0.06 | - | 0.03 | 0.08 | 0.01 | 0.05 | 0.45 | 0.38 | 0.41 | | Total | 98.01 | 96.95 | 97.40 | 99.44 | 97.69 | 98.86 | 99.20 | 97.24 | 97.88 | 99.47 | 97.97 | 98.79 | 100.63 | 98.57 | 99.63 | 100.17 | 99.51 | 99.90 | 98.78 | 97.45 | 98.18 | | | | | | | | | | | | | | | | | | | | | | | | Si | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | | Be | 2.80 | 2.79 | 2.79 | 2.84 | 2.73 | 2.78 | 2.96 | 2.94 | 2.95 | 2.97 | 2.89 | 2.94 | 2.93 | 2.91 | 2.92 | 2.98 | 2.89 | 2.94 | 2.88 | 2.86 | 2.87 | | Li | 0.21 | 0.20 | 0.21 | 0.27 | 0.16 | 0.22 | 0.06 | 0.04 | 0.05 | 0.11 | 0.03 | 0.06 | 0.09 | 0.07 | 0.08 | 0.11 | 0.02 | 0.06 | 0.14 | 0.12 | 0.13 | | sum | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | | Al | 1.99 | 1.95 | 1.98 | 2.04 | 1.94 | 2.00 | 2.02 | 1.97 | 1.99 | 2.06 | 1.93 | 1.99 | 2.04 | 1.96 | 2.00 | 2.02 | 1.96 | 1.99 | 2.00 | 1.95 | 1.96 | | Fe2+ | 0.06 | 0.05 | 0.05 | 0.08 | 0.01 | 0.03 | 0.03 | 0.01 | 0.02 | 0.08 | 0.02 | 0.04 | 0.05 | 0.01 | 0.03 | 0.05 | 0.01 | 0.03 | 0.07 | 0.05 | 0.06 | | Mg | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | 0.03 | 0.00 | 0.01 | 0.03 | 0.00 | 0.02 | 0.04 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | | sum | 2.05 | 2.01 | 2.03 | 2.05 | 2.02 | 2.04 | 2.05 | 2.00 | 2.01 | 2.08 | 2.00 | 2.04 | 2.06 | 2.05 | 2.05 | 2.07 | 2.01 | 2.04 | 2.05 | 2.00 | 2.03 | | Ca | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | | Na | 0.20 | 0.19 | 0.19 | 0.24 | 0.13 | 0.19 | 0.05 | 0.03 | 0.04 | 0.10 | 0.03 | 0.05 | 0.09 | 0.07 | 0.08 | 0.11 | 0.01 | 0.05 | 0.11 | 0.09 | 0.10 | | K | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.01 | | Cs | 0.02 | 0.01 | 0.01 | 0.04 | 0.01 | 0.02 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.02 | 0.02 | | sum | 0.21 | 0.20 | 0.21 | 0.27 | 0.16 | 0.22 | 0.06 | 0.04 | 0.05 | 0.11 | 0.03 | 0.06 | 0.09 | 0.07 | 0.08 | 0.11 | 0.02 | 0.06 | 0.14 | 0.12 | 0.13 | | Cs/Na | 0.09 | 0.04 | 0.05 | 0.26 | 0.07 | 0.12 | 0.36 | 0.01 | 0.09 | 0.17 | 0.01 | 0.06 | 0.03 | 0.00 | 0.02 | 0.11 | 0.00 | 0.05 | 0.19 | 0.14 | 0.16 | | Mg/Fe | 0.20 | 0.06 | 0.12 | 0.09 | 0.03 | 0.05 | 0.57 | 0.03 | 0.31 | 0.62 | 0.00 | 0.28 | 0.71 | 0.56 | 0.65 | 2.17 | 0.17 | 0.96 | 0.06 | 0.04 | 0.05 | 岩石 类型 | 伟晶岩 | | n=8 | 钠长花岗岩 | n=8 | 伟晶岩 | | n=16 | 伟晶岩? 细晶岩 | n=19 | 蚀变岩附近白云母花岗岩 | n=3 | 蚀变岩 | | n=8 | 伟晶岩 | | n=10 | | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | Max | Min | Ave. | | LA?ICP?MS (×10-6) | | | | | | | | | | | | | | | | | | | Li | 3545 | 3120 | 3320 | | | | 1048 | 578 | 757 | 496 | 266 | 378 | | | | | | | 899 | 845 | 875 | | Rb | 129 | 103 | 115 | | | | 38 | 29 | 35 | 85 | 17 | 33 | | | | | | | 161 | 122 | 147 | | Cs | 2946 | 1551 | 2234 | | | | 2467 | 320 | 805 | 987 | 185 | 569 | | | | | | | 3901 | 3598 | 3712 | | Sc | 11 | 8.6 | 9.8 | | | | 9.2 | 6.2 | 7.6 | 14 | 7.2 | 9.8 | | | | | | | 73 | 60 | 68 | | V | 0.34 | - | 0.09 | | | | 0.25 | - | 0.05 | 4.15 | 0.17 | 1.20 | | | | | | | 0.15 | - | 0.05 | | Cr | 1.29 | - | 0.17 | | | | 1.70 | - | 0.40 | 1.22 | - | 0.27 | | | | | | | 2.07 | - | 0.57 | | Co | 0.12 | - | 0.04 | | | | 0.29 | - | 0.12 | 0.31 | 0.06 | 0.18 | | | | | | | 0.16 | - | 0.05 | | Ni | 0.18 | - | 0.07 | | | | 0.13 | - | 0.05 | 0.38 | - | 0.10 | | | | | | | 0.42 | - | 0.12 | | Cu | 0.50 | - | 0.13 | | | | 0.39 | - | 0.07 | 0.62 | - | 0.14 | | | | | | | 0.46 | - | 0.20 | | Zn | 500 | 418 | 452 | | | | 478 | 203 | 265 | 291 | 85 | 230 | | | | | | | 129 | 102 | 119 | | Ga | 28 | 21 | 26 | | | | 33 | 19 | 24 | 35 | 18 | 29 | | | | | | | 61 | 57 | 59 | | Ge | 0.91 | - | 0.31 | | | | 0.97 | 0.00 | 0.41 | 0.86 | 0.00 | 0.40 | | | | | | | 2.45 | 0.13 | 1.32 | | Mn | 66 | 34 | 46 | | | | 24 | 10 | 15 | 58 | 15 | 27 | | | | | | | 237 | 171 | 213 | | Sr | 0.08 | - | 0.01 | | | | 0.01 | - | 0.01 | 0.11 | - | 0.01 | | | | | | | 0.02 | - | - | | Y | 0.07 | - | 0.01 | | | | 0.01 | - | 0.01 | 0.03 | - | 0.01 | | | | | | | 0.01 | - | - | | Zr | 0.06 | - | 0.01 | | | | 0.06 | 0.01 | 0.03 | 0.08 | - | 0.01 | | | | | | | 0.03 | - | 0.01 | | Nb | 0.01 | - | - | | | | 0.03 | - | 0.01 | 0.05 | - | - | | | | | | | 0.02 | - | - | | Ag | 0.21 | - | 0.07 | | | | 0.19 | - | 0.08 | 0.15 | - | 0.04 | | | | | | | 0.27 | - | 0.06 | | Cd | 0.48 | - | 0.17 | | | | 0.09 | - | 0.03 | 0.30 | - | 0.06 | | | | | | | 0.35 | - | 0.11 | | In | 0.03 | - | 0.01 | | | | 0.04 | - | 0.02 | 0.08 | - | 0.04 | | | | | | | 1.12 | 0.74 | 0.92 | | Sn | 0.79 | 0.36 | 0.54 | | | | 0.48 | 0.01 | 0.20 | 0.68 | 0.12 | 0.32 | | | | | | | 4.45 | 1.91 | 3.62 | | Sb | 0.12 | - | 0.03 | | | | 0.19 | - | 0.08 | 0.29 | - | 0.06 | | | | | | | 0.22 | - | 0.08 | | Hf | 0.01 | - | - | | | | 0.03 | - | 0.01 | 0.12 | - | 0.02 | | | | | | | 0.01 | - | - | | Ta | 0.01 | - | - | | | | 0.20 | - | 0.03 | 0.41 | - | 0.05 | | | | | | | 0.05 | - | 0.01 | | W | 0.01 | - | - | | | | 0.05 | - | 0.01 | 0.08 | - | 0.02 | | | | | | | 0.02 | - | 0.01 | | Tl | 0.83 | 0.57 | 0.69 | | | | 0.25 | 0.14 | 0.19 | 0.28 | 0.04 | 0.15 | | | | | | | 0.69 | 0.55 | 0.63 |
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