651-4229-00L Advanced Geochronology
Semester | Autumn Semester 2018 |
Lecturers | M. Guillong, H. Busemann, M. G. Fellin, A. Liati, A. Quadt Wykradt-Hüchtenbruck, J.‑F. Wotzlaw |
Periodicity | yearly recurring course |
Language of instruction | English |
Abstract | This lecture gives an overview on geochronology. Several in their field specialized lecturers cover the principles and methods and will give insight into recent applications and research projects. |
Learning objective | The purpose of this lecture is to provide a comprehensive overview of: a) the different radiometric methods in Geology, the different dating tasks and the constraints put by the complexity of natural systems, including dating by cosmogenic nuclides, b) the various analytical tools available today for radiometric dating, their advantages and disadvantages, c) the use of noble gases in Geochemistry and d) detailed description of case studies, as examples of approach of a number of geological problems and interpretation of the data. At the end students know the different isotope systems, methods and their application. Understand literature and critical reading and interpretation of published data is possible. For simple geochronological questions they can describe a scientific approach and possible solution. |
Content | 1. Introduction, History of Geochronology, Overview of isotopic systems, dating methods. 2. U-Th-Pb system, focus on ion microprobe; zircon in radiometric dating 3. Zircon dating of HP/HT metamorphic rocks; data interpretation; case studies 4. Fission-track dating 5. (U-Th)/He dating 6. Laser ablation ICP-MS instrumentation and methods for dating. 7. Application of LA-ICP MS to Geochronology examples from recent research projects. 8. K-Ar and 40Ar/39Ar geochronology , Principles and applications 9. High-precision ID-TIMS U-Pb geochronology, Principles and applications 10. Examples from recent research projects 11. Examples from recent research projectsSm, 12. Noble gases - basics, reservoirs, geo/cosmochem. applications: mainly chronology 13. Cosmogenic nuclides (stable and radionuclides) - basics, geo/cosmochem. applications, C14 exams |
Lecture notes | Script (for part of the lecture), partly power point presentations (in the web) |
Literature | http://elementsmagazine.org/get_pdf.php?fn=e9_1.pdf&dr=e9_1 Geochronology and Thermochronology Author(s):Peter W. ReinersRichard W. CarlsonPaul R. RenneKari M. CooperDarryl E. GrangerNoah M. McLeanBlair Schoene First published:8 January 2018 Online ISBN:9781118455876 |DOI:10.1002/9781118455876 - Faure, G. and Mensing, T. (2005): Isotopes. Principles and applications. 3rd ed. John Wiley and Sons. - Dickin, A. (2005): Radiogenic Isotope Geology. 2nd ed. Cambridge University press. |