University of Heidelberg - Faculty of Chemistry and Earth Sciences - Institute of Earth Sciences

TIMS Radiogenic Isotopes

Members and associates
Instruments
    5-cup MC-TIMS FINNIGAN MAT261
    Class 10-100 clean room laboratories

Methods
    Rb-Sr-method
    U-Pb-method
    Pb-Pb-method

Isotopes
    85, 87Rb
    84, 86, 87, 88Sr
    204, 206, 207, 208Pb
    235, 238U

Topics
    Single zircon dating
      Application of the Pb evaporation and SHRIMP techniques to single zircon grains
    Sr-Pb isotope geochemistry
      (Rb-)Sr and (U-)Pb isotope analysis of mineral and whole rock samples prepared from sediments, sedimentary and crystalline rocks for crustal evolution and environmental projects

Examples
    Dating of single zircons from the Schwarzwald basement with SHRIMP
    Pb pollution in sediments of Lake Constance indicated by the Pb isotope distribution in top sediments

Lectures