| 书目名称 | Equilibrium and Kinetics in Contact Metamorphism | | 副标题 | The Ballachulish Ign | | 编辑 | Gerhard Voll,Jutta Töpel,Friedrich Seifert | | 视频video | | | 图书封面 |  | | 描述 | With the new global tectonics approach in the Earth Sciences, the quan titative aspects of the dynamics of rock-forming processes came into focus: geologists are no longer satisfied knowing the pressure-tempera ture conditions of the formation of a metamorphic rock or of the emplace ment of a magmatic body, but instead would like to learn the time history of these rocks as well, i. e. , derive the temperature-pressure-time path and relate it to a tectonic process. To achieve this goal, a knowledge of both pressure-temperature-dependent equilibria and the time scales at which these equilibria may be attained are essential. However, the latter kinetic information is much more difficult to retrieve than that on equilibria: whereas equilibria are controlled by state variables, and proper laboratory experiments may be directly applied to equilibrium natural assemblages, kinetics also depends on factors other than state variables, such as grain size, dislocation density, and especially time (rate of heating, duration of annealing, rate of cooling). Extrapolation of kinetic data obtained at high temperatures on laboratory time scales to more realistic lower tempera tures and geologica | | 出版日期 | Book 1991 | | 关键词 | Metamorphose; chemistry; formation; geochemistry; geology; metamorphism; mineral; modelling; petrography | | 版次 | 1 | | doi | https://doi.org/10.1007/978-3-642-76145-4 | | isbn_softcover | 978-3-642-76147-8 | | isbn_ebook | 978-3-642-76145-4 | | copyright | Springer-Verlag Berlin Heidelberg 1991 |
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发表于 2025-3-21 18:13:28
