Variations in Tectonic Styles in Canada

amphibolite amphibolite facies anomaly anorthosite Aphebian Appalachian Archean Arctic assemblages basalt basement Basin batholith boundary Cambrian Canada Canadian Shield carbonate Churchill Province clastic complex conglomerate continental Cordillera craton Cretaceous crust crustal crystalline deformation deposits Devonian diabase diorite dykes Earth Sci eastern Ellesmere Island emplacement faults feet Figure Fold Belt foliation Foreland Formation gabbro Geanticline Geol Geology Geosyncline gneisses grade granitic rocks granulite gravity greenschist Grenville Front Grenville Province Grenvillian Group Hadrynian Helikian Hudsonian Huronian Innuitian intrusions Labrador Lake mafic margin Mesozoic metamorphic metamorphosed miles miogeocline mobile belts Mountains Muskox intrusion Newfoundland northern northwest occur oceanic older Ontario ophiolite Ordovician Orogenic Belt Paleozoic peridotite Phanerozoic plutons Precambrian Proterozoic quartz Quebec region sedimentary sediments sequences shale sills Slave Province southern strata stratigraphic Structural Province Subprovince Supergroup Superior Province supracrustal rocks Surv tectonic terrane Tertiary thick thrust trend Trough ultramafic unconformably uplift upper volcanic rocks western Zone