Evidence for excess argon during high pressure metamorphism in the Dora Maira Massif (Western Alps, Italy), using an ultra-violet laser ablation microprobe (super 40) Ar- (super 39) Ar technique

The age of Ultra-high pressure metamorphism and early cooling remains controversial in the Alps. In a new approach to the problem, samples from the undeformed Hercynian metagranite, Brossasco, were studied using an ultra-violet laser ablation microprobe technique for 40Ar-39Ar dating. The results de...

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Veröffentlicht in:	Contributions to mineralogy and petrology 1995-08, Vol.121 (1), p.249-264
Hauptverfasser:	Arnaud, Nicolas, Kelley, Simon P
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth Sciences Geochemistry Geophysics Physics Sciences of the Universe
Online-Zugang:	Volltext
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