Yellowknife greenstone belt feature. Yellowknife greenstone belt The Yellowknife greenstone belt, also called the Yellowknife Volcanic Belt, is an Archean greenstone belt in the southern Slave craton, Northwest Territories, Canada. It is mostly made of mafic volcanic rocks (basalt and andesite) and is bordered to the east by batholithic intrusions of the Western Granodiorite Complex and beyond to the north by the Duckfish Lake Granite. Intrusive equivalents (gabbro and diorite) are collectively known as the Kam Group. Most of the Yellowknife townsite and the Con and Giant gold mines are within the Kam Group. The Yellowknife greenstone belt stands out as a positive
Yellowknife also resulted in new discoveries at the Con Mine, greatly extending the life of the mine. The Yellowknife townsite expanded from the Old Town waterfront, and the new townsite was established during 1945–1946. The Discovery Mine, with its own townsite, operated to the north-northeast of Yellowknife from 1950 to 1969. Between 1939 and 1953, Yellowknife was controlled by the Northern Affairs department (now Indigenous and Northern Affairs Canada) of the Government of Canada. A small council, partially elected and partially appointed, made decisions. By 1953, Yellowknife had grown so much that it was made a municipality, with its own council