Browsing by Subject "Helium-Methode"
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(U-Th)/He thermochronology — methodology and a case study: dating of faulting in the Southern Alps (11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The radiogeic 4He isotope is continuously forming in the lithosphere mainly by the alpha-decay of U, Th and Sm. This decay process was discovered already at the beginning of the 20th century, and the first U/He dating ...