A diode laser system for heating minerals for (U‐Th)/He chronometry

@inproceedings{Foeken2006ADL,
  title={A diode laser system for heating minerals for (U‐Th)/He chronometry},
  author={Jurgen P. T. Foeken and Finlay M. Stuart and Katherine J. Dobson and Cristina Persano and David Vilbert},
  year={2006}
}
We have developed a diode laser (25 W, 808 nm) system for He extraction from minerals for (U-Th)/He chronometry. The laser beam is delivered via a 600 μm fiber cable and focused using a binocular microscope. Temperatures necessary for He release from apatite (500–600°C) and zircon (1100–1300°C) encapsulated in Pt-foil tubes are attained by heating to 0.5 W for 30 s and 1.25–2.5 W for 20 min, respectively, using a defocused beam. Heating at these powers does not result in measurable U and/or Th… CONTINUE READING

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Zircon (U-Th)/He thermochronometry

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A new procedure for the routine zircon ( UTh ) / He age measurement

  • K. J. Dobson, V. Olive, C. Persano, F. M. Stuart
  • Geophys . Res . Abstr .
  • 2005

A new procedure for the routine zircon (U-Th)/He age

  • K. J. Dobson, V. Olive, C. Persano, F. M. Stuart
  • measurement, Geophys. Res. Abstr.,
  • 2005