U-th)/he dating techniques calibrations and applications
The data help to better understand the geodynamic evolution of the Azov Massif and the adjacent intra-cratonic rift basin Dniepr—Donets Basin as follows: The heating event is interpreted in terms of burial of the basement beneath a several kilometres thick pile of Devonian and Carboniferous sedimentary deposits of the adjacent Dniepr—Donets Basin. During Permo-Triassic times, large parts of the basement were affected by a thermal event related to mantle upwelling, associated magmatic activity and increased heat flow in the adjacent rift. The major part of the basement cooled to near-surface conditions in the Early to Middle Triassic and since then was thermally stable as suggested by AFT and AHe data. Further, AFT data confirm Late Triassic magmatic activity in the Azov Massif, which, however, did not influence regional thermal pattern. The northern part of the basement and its sedimentary cover record a cooling event in the Jurassic, which was probably related to erosion.
18 (U-Th)/He Dating: Techniques, Calibrations, and Applications
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(U-Th)/He Dating: Techniques, Calibrations, and Applications
Techniques, Calibrations, and Applications. Techniques , Calibrations , and Applications Kenneth A. In , Zeitler and coworkers rekindled interest in the method by proposing that in the case of apatite, He ages might be meaningfully interpreted as ages of cooling through very low temperatures. Consistent with this interpretation Wolf et al. Based on the strength of these results and additional laboratory Farley and natural Warnock et al.
Farley, Kenneth A. Techniques, Calibrations, and Applications. Noble Gases in Geochemistry and Cosmochemistry. Reviews in Mineralogy and Geochemistry.