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High-Temperature Geochemistry

Master course offered annually in winter semester

The module contains two courses: "Geochemical Evolution of the Earth’s Mantle and Crust" gives insight into the composition and evolution of the Earth’s mantle and crust, and "Isotope Geochemistry I" covers the key aspects of high-temperature radiometric dating and tracing methods.

Instructor: Prof. Wolfgang Siebel

Course format: a) 2 hr lecture, b) 1hr lecture +1 hr practical session

Syllabus of "Geochemical Evolution of the Earth’s Mantle and Crust"

    The course provides essential insight into magmatic processes associated with plate boundary environments (mid-ocean ridges and subduction zones) and within plate regions (ocean islands and volcanic plateaus). The geochemical and isotopic composition of the different mantle reservoirs will be discussed and magmatic and tectonic processes along subduction zones will be explored. The lecture also focusses on fundamental processes that gave rise to the characteristic geochemical features of the continental crust and the different mantle reservoirs. These topics provide the basis for homework questions and student reports.

Syllabus of "Isotope Geochemistry I"

    The focus of this course is on radiogenic isotope systems and their principles and applications in high-temperature geology. Topics and systems include:

    • Principles of the Rb-Sr, U-Th-Pb, Sm-Nd and Lu-Hf dating and tracing methods;

    • Isotopes as tracers of sources and processes; presentation of case studies

    • Radionuclides and their measurement techniques

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