GEOCHRONOLOGY AND RADIOGENIC ISOTOPE ANALYSIS

10B – All packages listed are sold separately

Element
Pb
Nd
Sr
Sm-Nd
Rb-Sr

The age dating strategy depends on the type of formation (magmatic, metamorphic or sedimentary), the sample composition and the age of formation. The concentration of the mother and daughter isotopes, as well as the apparent age can be determined with high precision. In many cases, however, the determined age may not be the real age of the geological event. The apparent age may be affected by the post-depositional or post-formation history of the rocks. Natural contamination of chemical sediments with detrital material can also affect the results of dating of diagenesis.

Advice concerning dating strategies and interpretation of data is provided as required. Discounts may be applicable for large age dating programs. For more information, please contact geochronology@actlabs.com

AnalysisDescription
K-Ar datingRock fractions, clay fractions and separated minerals (e.g. biotite, hornblende, sericite, K-feldspar, illite, glauconite, etc.)
40 Ar-39Ar step heating datingRock fractions, clay fractions or separated minerals (e.g. biotite, hornblende, sericite, K-feldspar, illite, glauconite, etc.)
U-Pb dating by L. A. ICPMSSingle grain analysis (e.g. zircon, monazite, titanite, apatite)
U-Pb isochron dating by SHRIMPSingle grain analysis
Rb-Sr dating by TIMSIsochron dating whole rock and minerals
Sm-Nd dating by TIMSIsochron dating whole rock and minerals
Re-Os datingRe-Os dating
Mineral SeparationSpecific mineral phases are separated to provide best data for age dating
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