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2 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 2 Electron microprobe analyses of olivines and low?Ca pyroxenes in equilibrated 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 | 1 | <0.04 | 38.10 | <0.04 | 37.96 | 0.09 | - | 0.12 | <0.04 | <0.04 | <0.04 | 0.45 | 22.52 | - | 99.33 | 24.7 | 2 | <0.04 | 38.99 | <0.04 | 38.67 | <0.04 | <0.04 | 0.12 | 0.16 | 0.10 | 0.12 | 0.52 | 22.77 | - | 101.53 | 24.5 | 3 | <0.04 | 38.26 | - | 38.22 | <0.04 | - | 0.12 | 0.04 | - | 0.28 | 0.42 | 22.84 | <0.04 | 100.23 | 24.9 | 4 | <0.04 | 38.68 | <0.04 | 38.77 | 0.04 | - | 0.11 | - | <0.04 | 0.04 | 0.46 | 22.72 | 0.05 | 100.93 | 24.6 | 5 | 0.06 | 38.48 | <0.04 | 38.97 | - | - | 0.11 | - | 0.05 | <0.04 | 0.46 | 22.72 | - | 100.87 | 24.7 | 6 | 0.05 | 38.68 | - | 38.40 | <0.04 | - | 0.11 | <0.04 | <0.04 | 0.04 | 0.46 | 22.79 | <0.04 | 100.61 | 24.7 | 7 | 0.08 | 38.73 | - | 38.45 | 0.08 | <0.04 | 0.09 | <0.04 | <0.04 | 0.06 | 0.44 | 22.61 | <0.04 | 100.62 | 24.5 | 低钙辉石 | 1 | 0.04 | 28.59 | 0.18 | 55.12 | <0.04 | - | 1.02 | 0.22 | <0.04 | 0.26 | 0.46 | 13.73 | <0.04 | 99.65 | 21.1 | 2 | 0.06 | 28.42 | 0.20 | 54.53 | - | - | 1.00 | 0.18 | <0.04 | 0.51 | 0.47 | 13.70 | 0.04 | 99.12 | 21.1 | 3 | 0.04 | 28.70 | 0.15 | 55.11 | 0.07 | <0.04 | 0.96 | 0.13 | - | 0.13 | 0.51 | 13.61 | - | 99.43 | 20.9 | 4 | 0.05 | 28.23 | 0.10 | 54.65 | - | - | 1.06 | 0.11 | - | 0.12 | 0.50 | 13.23 | <0.04 | 98.08 | 20.7 | 5 | 0.04 | 28.45 | 0.17 | 54.98 | <0.04 | - | 1.04 | 0.15 | <0.04 | 0.19 | 0.43 | 13.28 | 0.04 | 98.78 | 20.6 | 6 | 0.08 | 28.06 | 0.16 | 55.03 | 0.04 | <0.04 | 1.68 | 0.15 | 0.05 | 0.63 | 0.45 | 13.43 | 0.04 | 99.82 | 21.0 |
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