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Research on the petrogenesis of andesites and their implications for geodynamic setting are an important facet to understanding controversial tectonic processes during the Archean. The genesis of Archean intermediate volcanic rocks and their relationship to mantle- and crust-derived melts can either support subduction-dominated tectonic processes or plume–crust interactions. This study describes the...
Timiskaming-type assemblages in the Wawa–Abitibi terrane of the Superior Craton and other Archean cratons worldwide are important because of their spatial and temporal association with world-class orogenic gold mineralization, especially in the Kirkland Lake area of Ontario. These mainly locally derived sedimentary assemblages are deposited in transpressional, pull-apart basins that developed during...
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