同裂痕热年代学：方法及其在地质学中的应用

English | 2024 | ISBN: 1789451736 | 247 pages | PDF | 103.66 MB

Low-temperature thermochronology has become an essential tool when studying near-surface geological processes. Time-temperature constraints are vital to quantify and describe a large variety of geological processes, such as relief building, erosion and sedimentation or the maturation of organic matter in sedimentary basins.

After a brief history covering the discovery of fission tracks to their first applications in geochronology, Fission-track Thermochronology presents a complete description of not only the fission-track, but also the (U Th Sm)/He thermochronology approaches, both on basement rocks and on sediments. Firstly, the physical and chemical processes that underlie these techniques are addressed, and the analytical methods are described in detail. A particular focus is placed on the latest developments, such as the use of laser-ablation ICP-MS, and a whole chapter is dedicated to statistical modeling of the data.

Finally, numerous examples of applications to geological questions will provide the reader with a comprehensive overview of the possibilities of low temperature thermochronology in solving geological and geomorphological questions.

低温热年代学已成为研究近地表地质过程的重要工具。温度-时间限制对于量化和描述诸如地貌形成、侵蚀与沉积，以及沉积盆地中有机物的成熟等大量地质过程至关重要。 本文从发现裂变径迹到它们首次在地质学中的应用，详细介绍了包括裂变径迹及（U-Th-Sm)/He热年代学方法在内的多种低温热年代学技术。首先，文章探讨了这些技术背后的物理和化学过程，并详细描述了分析方法。特别关注了最新发展，如激光消融-ICP-MS的使用，并专辟一章用于数据统计建模。 最后，通过大量地质问题的应用实例，为读者提供低温热年代学在解决地质与地貌问题方面广阔可能性的全面概述。

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