Rare earth element signatures in hydrothermal calcite : insights from numerical modeling, experimental geochemistry, and mineral deposits in New Mexico
Rare earth element signatures in hydrothermal calcite : insights from numerical modeling, experimental geochemistry, and mineral deposits in New Mexico
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热液方解石中的稀土元素特征：来自新墨西哥州数值模拟、实验地球化学和矿床的见解
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发表时间：
2019
期刊：
影响因子：
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通讯作者：
Emily P. Perry
中科院分区：
文献类型：
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作者：
Emily P. Perry
.................................................................................................. iii.图表列表...... viii表格一览表... x确认...第一章矿床中的稀土元素：在热液流体中的形态和在方解石中的分配1 1.2理论背景....................................................................................... 4 1.2.1晶格应变模型....... 4 1.2.2多组分固溶体模型...... 6 1.2.3数值建模代码：LMA和GEM方法..... 7 1.3方法....... 8 1.3.1热动力学数据集和活动模型8 1.3.2模拟设置...... 9 1.4.1模式Ia（贫CO2-NaCl）：浅层系统...... 14 1.4.2模式Ib（富CO2，贫NaCl）：更深的碳酸盐岩系统16 1.4.3模型Ic（富CO2-NaCl）：更深的碳酸盐岩系统18 1.5方解石-流体REE分配（模型II）..... 20 1.5.1模型IIa：方解石中的REE分馏. 20 1.5.2模型IIb：作为温度函数的REE形态22 1.6自然系统中稀土元素分配的含义.... 23 1.6.1模型的不确定性和假设..... 23 1.6.2热液REE迁移和与以前模拟研究的比较26 1.6.3天然方解石中的稀土配分..................... 28 1.7结论... 29 1.8参考资料.......第二章在200°C和饱和水蒸气压下热液流体-方解石稀土分配实验37 2.
..................................................................................................iii LIST OF FIGURES ..................................................................................................................... viii LIST OF TABLES .......................................................................................................................... x ACKNOWLEDGEMENTS ........................................................................................................... xi CHAPTER 1 RARE EARTH ELEMENTS IN MINERAL DEPOSITS: SPECIATION IN HYDROTHERMAL FLUIDS AND PARTITIONING IN CALCITE .................. 1 1.2 Theoretical background .......................................................................................... 4 1.2.1 The lattice strain model .................................................................................. 4 1.2.2 Multicomponent solid-solution models ......................................................... 6 1.2.3 Numerical modeling codes: LMA and GEM methods .................................. 7 1.3 Methods................................................................................................................... 8 1.3.1 Thermodyanmic dataset and activity models ................................................. 8 1.3.2 Simulation set up............................................................................................ 9 1.4.1 Model Ia (CO2-NaCl-poor): shallow system ............................................... 14 1.4.2 Model Ib (CO2-rich, NaCl-poor): deeper carbonatite system ...................... 16 1.4.3 Model Ic (CO2-NaCl-rich): deeper carbonatite system .............................. 18 1.5 Calcite-fluid REE partitioning (Model II) ............................................................ 20 1.5.1 Model IIa: REE fractionation in calcite ....................................................... 20 1.5.2 Model IIb: REE speciation as a function of temperature ............................. 22 1.6 Implications for REE partitioning in natural systems ........................................... 23 1.6.1 Uncertainties and assumptions of the model ............................................... 23 1.6.2 Hydrothermal REE transport and comparison to previous modeling studies ......................................................................................................... 26 1.6.3 REE partitioning in natural calcite ............................................................... 28 1.7 Conclusions ........................................................................................................... 29 1.8 References ............................................................................................................. 31 CHAPTER 2 HYDROTHERMAL FLUID-CALCITE REE PARTITIONING EXPERIMENTS AT 200°C AND SATURATED WATER VAPOR PRESSURE ........................................................................................................... 37 2.
独居石 (CePO4)、SmPO4 和 GdPO4 在 100 至 250°C 水溶液中的溶解度
影响因子：
5
作者：
Gysi, A.P.;Harlov, D.;Miron, G.D.
通讯作者：
Miron, G.D.