GRV 050202:一块含难熔包体与小行星表土角砾的普通球粒陨石
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沈德汗, 王葆华, 宋光明, 李世杰
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GRV 050202: An ordinary chondrite contains refractory inclusions and regolith breccia
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Dehan Shen, Baohuang Wang, Guangming Song, Shijie Li
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表1 非平衡区域橄榄石、低钙辉石的电子探针分析结果
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Table 1 Electron microprobe analyses of olivines and low?Ca pyroxenes in unequilibrated area
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| 编 号 | 氧化物含量(wt%) | Fa或Fs |
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Na2O | MgO | Al2O3 | SiO2 | P2O5 | K2O | CaO | TiO2 | V2O3 | Cr2O3 | MnO | FeO | NiO | 总计 | (mol%) |
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橄 榄 石 | Ⅱ型球粒A?1 | <0.04 | 21.91 | - | 34.51 | \ | - | - | - | \ | 0.09 | 0.76 | 41.56 | - | 98.84 | 51.3 | Ⅱ型球粒A?2 | - | 22.61 | <0.04 | 34.89 | \ | - | <0.04 | - | \ | 0.05 | 0.83 | 40.32 | - | 98.71 | 49.8 | Ⅱ型球粒A?3 | <0.04 | 22.14 | - | 34.95 | \ | - | - | - | \ | 0.06 | 0.77 | 41.40 | - | 99.34 | 51.0 | Ⅱ型球粒B?4 | 0.04 | 30.45 | <0.04 | 36.80 | \ | - | <0.04 | - | \ | 0.09 | 0.31 | 30.96 | - | 98.69 | 36.1 | Ⅱ型球粒B?5 | <0.04 | 31.66 | 0.04 | 37.07 | \ | - | <0.04 | - | \ | <0.04 | 0.32 | 30.02 | 0.07 | 99.23 | 34.5 | Ⅱ型球粒C?6 | - | 37.94 | 0.04 | 38.18 | \ | <0.04 | <0.04 | 0.11 | \ | <0.04 | 0.46 | 21.81 | <0.04 | 98.58 | 24.2 | Ⅱ型球粒C?7 | <0.04 | 37.21 | 0.06 | 38.47 | \ | - | <0.04 | 0.14 | \ | <0.04 | 0.46 | 22.03 | <0.04 | 98.43 | 24.7 | Ⅱ型球粒C?8 | <0.04 | 37.70 | 0.05 | 38.43 | \ | - | <0.04 | 0.15 | \ | <0.04 | 0.44 | 21.98 | <0.04 | 98.82 | 24.5 | 9 | - | 41.30 | <0.04 | 39.06 | - | 0.05 | 0.04 | <0.04 | - | 0.04 | 0.43 | 19.93 | <0.04 | 100.90 | 21.1 | 10 | <0.04 | 51.30 | <0.04 | 41.90 | - | <0.04 | 0.13 | - | - | 0.34 | 0.27 | 7.27 | <0.04 | 101.29 | 7.3 | 11 | <0.04 | 40.18 | - | 39.19 | 0.06 | <0.04 | 0.07 | <0.04 | - | - | 0.53 | 20.56 | <0.04 | 100.68 | 22.1 | 12 | <0.04 | 50.08 | - | 41.35 | <0.04 | - | 0.07 | - | 0.05 | 0.08 | 0.23 | 8.51 | <0.04 | 100.43 | 8.6 | 13 | 0.04 | 39.98 | <0.04 | 39.19 | <0.04 | - | 0.08 | - | <0.04 | 0.05 | 0.44 | 20.81 | - | 100.65 | 22.4 | 14 | <0.04 | 39.34 | - | 39.11 | 0.06 | - | 0.06 | - | - | - | 0.45 | 21.79 | - | 100.82 | 23.5 | 15 | 0.04 | 41.66 | <0.04 | 39.50 | <0.04 | <0.04 | 0.05 | - | <0.04 | - | 0.38 | 18.99 | <0.04 | 100.71 | 20.2 | 16 | <0.04 | 35.07 | <0.04 | 37.70 | 0.11 | <0.04 | 0.05 | - | <0.04 | 0.05 | 0.48 | 27.00 | <0.04 | 100.56 | 30.0 | 17 | 0.05 | 34.72 | <0.04 | 37.76 | 0.10 | <0.04 | 0.05 | <0.04 | 0.08 | <0.04 | 0.42 | 27.49 | <0.04 | 100.76 | 30.6 | 18 | <0.04 | 39.03 | - | 39.05 | - | <0.04 | 0.08 | <0.04 | 0.08 | 0.04 | 0.52 | 21.79 | - | 100.67 | 23.7 | 19 | 0.04 | 39.22 | <0.04 | 39.08 | - | <0.04 | 0.10 | <0.04 | - | 0.05 | 0.52 | 21.78 | - | 100.84 | 23.6 | 20 | 0.09 | 36.71 | 0.30 | 35.95 | 0.06 | <0.04 | 0.18 | 0.24 | 0.08 | 3.02 | 0.42 | 22.30 | - | 99.35 | 25.2 | 21 | 0.04 | 41.18 | <0.04 | 39.63 | <0.04 | 0.04 | 0.05 | <0.04 | <0.04 | 0.05 | 0.48 | 19.51 | 0.07 | 101.09 | 20.8 | 22 | 0.05 | 39.65 | <0.04 | 39.08 | - | - | <0.04 | <0.04 | - | <0.04 | 0.53 | 21.81 | <0.04 | 101.23 | 23.4 | 23 | - | 39.62 | <0.04 | 39.00 | - | <0.04 | 0.06 | <0.04 | - | <0.04 | 0.55 | 21.33 | - | 100.63 | 23.0 | 24 | <0.04 | 52.90 | <0.04 | 41.95 | <0.04 | - | 0.08 | - | - | 0.13 | 0.21 | 4.52 | <0.04 | 99.86 | 4.5 | 25 | <0.04 | 51.77 | - | 41.61 | - | <0.04 | 0.10 | <0.04 | <0.04 | 0.42 | 0.30 | 4.60 | - | 98.88 | 4.7 | 26 | 0.06 | 43.55 | 0.05 | 39.54 | <0.04 | <0.04 | 0.11 | 0.04 | <0.04 | 0.13 | 0.39 | 15.64 | 0.07 | 99.62 | 16.6 | 27 | <0.04 | 53.31 | 0.10 | 41.63 | 0.05 | 0.04 | 0.44 | 0.07 | - | 0.05 | <0.04 | 2.65 | 0.25 | 98.61 | 2.7 | 28 | 0.04 | 51.02 | - | 41.03 | <0.04 | - | 0.07 | - | <0.04 | <0.04 | 0.19 | 6.60 | - | 99.03 | 6.7 | 29 | <0.04 | 54.11 | 0.09 | 41.93 | <0.04 | - | 0.13 | <0.04 | - | 0.18 | 0.09 | 2.66 | 0.06 | 99.28 | 2.7 | 30 | 0.05 | 48.67 | <0.04 | 40.33 | <0.04 | <0.04 | 0.06 | - | <0.04 | 0.19 | 0.50 | 9.10 | <0.04 | 98.99 | 9.4 | 31 | <0.04 | 54.88 | - | 42.12 | - | - | 0.09 | - | - | 0.15 | 0.09 | 1.03 | <0.04 | 98.41 | 1.0 | 32 | <0.04 | 54.28 | 0.07 | 41.66 | 0.04 | - | 0.36 | <0.04 | 0.06 | 0.18 | 0.12 | 1.53 | <0.04 | 98.34 | 1.5 | 低 钙 辉 石 | 1 | 0.93 | 38.36 | 6.90 | 44.04 | - | 0.14 | 4.12 | 0.14 | - | 0.24 | 0.10 | 6.60 | 0.08 | 101.65 | 8.7 | 2 | 0.13 | 41.59 | 0.37 | 55.95 | <0.04 | <0.04 | 0.29 | - | - | 0.68 | 0.04 | 0.86 | <0.04 | 99.97 | 1.1 | 3 | <0.04 | 32.48 | 0.14 | 57.48 | - | <0.04 | 0.40 | <0.04 | - | 0.69 | 0.67 | 8.26 | - | 100.19 | 12.4 | 4 | <0.04 | 34.75 | 0.08 | 58.28 | <0.04 | <0.04 | 0.31 | - | <0.04 | 0.53 | 0.44 | 5.40 | - | 99.87 | 8.0 | 5 | 0.05 | 32.82 | 0.20 | 57.68 | <0.04 | <0.04 | 0.47 | - | <0.04 | 0.66 | 0.71 | 7.61 | 0.05 | 100.33 | 11.4 | 6 | - | 37.08 | 0.22 | 58.69 | - | - | 0.21 | 0.06 | <0.04 | 0.52 | 0.25 | 2.55 | <0.04 | 99.60 | 3.7 | 7 | 0.12 | 32.52 | 0.30 | 55.96 | - | 0.09 | 0.61 | - | - | 0.40 | 0.33 | 7.75 | - | 98.06 | 11.7 | 8 | - | 36.79 | 0.45 | 57.44 | 0.05 | 0.04 | 0.40 | <0.04 | 0.05 | 0.54 | 0.09 | 3.08 | 0.45 | 99.38 | 4.4 |
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