Tectonic evolution of Paleoproterozoic rocks in the Grand Canyon: Insights into middle-crustal processes

Tectonics, Structure, Cross-section, Metamorphic Petrology, Igneous Petrology, Granitoid, Geochemical Survey, Faulting, Folding, Pegmatite, Ultramafic, Geobarometry, Geothermometry, [Granite Gorge metamorphic suite][Vishnu group][Vishnu metamorphic complex](Vishnu terrane)(Vishnu series)(Vishnu complex) - Early Proterozoic, Rama Schist(Rama fm), Brahma schist(Brahma fm), Vishnu Schist(Vishnu fm), Zoroaster pluton - Ruby Creek superunit, [Zoroaster Plutonic Complex][Zoroaster Granite][Zoroaster Granite Gneiss][Zoroaster gneiss] - Early Proterozoic, [Elves Chasm Gneiss][Elves Chasm pluton][Elves Chasm tonalite], [Garnet pegmatite complex][Garnet Canyon pegmatite complex], [Ruby pluton][Ruby granodiorite][Ruby Creek pluton] - Ruby Creek superunit, Sapphire pegmatite complex, [Trinity Gneiss][Trinity Pluton][Trinity granodiorite], [Horn pluton][Horn Creek pluton][Horn diorite], Bright Angel pluton, Cremation pegmatite complex, [Cremation pluton][86 Mile pluton] - Surprise Canyon superunit, [Grapevine pluton][Grapevine Camp pluton][Grapevine Camp granite], Cottonwood pegmatite complex, Pipe Creek pluton - Phantom Canyon superunit, [Horn pluton][Horn Creek pluton], [Boucher pluton][96 Mile pluton], [Crystal pluton][97.6 Mile pluton], [Phantom pluton][Phantom granite][Phantom Creek complex], [Elves Chasm Gneiss][Elves Chasm pluton],