Continent Formation in the Archean and Chemical Evolution of the Cratonic Lithosphere: Melt-Rock Reaction Experiments at 3-4 GPa and Petrogenesis of Archean Mg-Diorites (Sanukitoids)
To better understand the genetic relationship between granitoid rocks of the Archean cratons and the underlying 'keel' of subcratonic lithospheric mantle (SCLM), we have conducted two types of experiments in a multi-anvil apparatus at 3-4 GPa: (1) peridotite assimilation experiments, in which natural, hydrousTTG (trondhjemite tonalite-granodiorite) melts are reacted with mantle peridotite at relatively high melt-rock ratios; (2) liquidus saturation experiments on hydrous Mg-rich diorite...[Show more]
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|Source:||Journal of Petrology|
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