40Ar/39Ar Thermochronology for Submilligram Samples Using a Ta Platform Microfurnace, With Illustrations From the Bushveld Complex

Abstract We present a method for 40Ar/39Ar step‐heating measurements on anhydrous K‐bearing minerals. Samples placed in dimples on Ta foil platforms are heated indirectly with a laser while temperatures are measured with a two‐color pyrometer. The system provides a simple, inexpensive, and reliable...

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Hlavní autoři:	Jacob B. Setera, Brent D. Turrin, Gregory F. Herzog, Jill A. VanTongeren, Jeremy S. Delaney, Carl C. Swisher III
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Wiley 2020-10-01
Edice:	Geochemistry, Geophysics, Geosystems
Témata:	thermochronology geochronology Bushveld
On-line přístup:	https://doi.org/10.1029/2020GC009182
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