Origin of sapphires from a lamprophyre dike at Yogo Gulch, Montana, USA: Clues from their melt inclusions

Gem corundum (sapphire) has been mined from an ultramafic lamprophyre dike at Yogo Gulch in central Montana for over 100years. The sapphires bear signs of corrosion showing that they were not in equilibrium with the lamprophyre that transported them; however, their genesis is poorly understood. We r...

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Veröffentlicht in:	Lithos 2016-09, Vol.260, p.339-344
Hauptverfasser:	Palke, Aaron C., Renfro, Nathan D., Berg, Richard B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Corundum Lamprophyre Leucocratic ocelli Liquid immiscibility Melt inclusions Sapphire
Online-Zugang:	Volltext
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