Geological map of north-western Canada. Wopmay orogen marked with D.
The Wopmay orogen is a Paleoproterozoic orogenic belt in northern Canada which formed during the collision between the Hottah terrane (north of the Hottah Lake), a continental magmatic arc, and the Archean Slave Craton at about 1.88 Ga (billion years). The collision lead to the short-lived Calderian orogeny.[1]
The formation was named for Wilfrid Reid "Wop" May, OBE, DFC (April 20, 1896 – June 21, 1952), a Canadian flying ace in the First World War and a leading post-war aviator.
It is approximately 500 km along the north–south axis, and 200 km along the east–west axis at its widest point, tapering at both the northern and southern ends.[2][failed verification]
^Hildebrand, Hoffman & Bowring 2010, Abstract
^"Comparisons of the 2005 Geologic Map of North America with the 1965 Map, Areas 1-4; Area 2, Northwestern Canadian Shield". Geology and Environmental Change Science Center. United States Geological Survey (USGS). Retrieved 22 May 2016.
The Wopmayorogen is a Paleoproterozoic orogenic belt in northern Canada which formed during the collision between the Hottah terrane (north of the Hottah...
anticlinoriums within the foreland fold and thrust belt of the Paleoproterozoic WopmayOrogen. The gneisses of the Acasta Gneiss Complex were first regionally mapped...
Wopmay orogenic system, the 1.9 Ga (billion years ago) Hottah terrane is separated from the Archean rocks of the orogen by the north-trending Wopmay fault...
margin of the Wopmayorogen which developed 1.875–1.840 Ga on older Proterozoic basement rocks. The medial or internal zone of the orogen form the eastern...
orogenic belt, which likely were similar to the modern Himalayas, and the Wopmayorogen of northwest Canada. During the assembly of the core of Laurentia, banded...
organisms collectively known as "Gabonionta" (Francevillian Group Fossil); Wopmayorogen along west border of the Canadian Shield. Bolide over 10 km in size...
St-Onge, M R; King, J E; Lalonde, A E (1988). "Geology, East - Central WopmayOrogen, District of Mackenzie, Northwest Territories". doi:10.4095/130452....
December 2015. Hildebrand, R. S.; et al. (2010). "The Calderian orogeny in Wopmayorogen (1.9 Ga), northwestern Canadian Shield" (PDF). GSA Bulletin. 122 (5–6):...
orogens in South America and West Africa; the ~2.0 Ga Limpopo Belt in southern Africa; the 1.9–1.8 Ga Trans-Hudson, Penokean, Taltson–Thelon, Wopmay,...
Superior province, South Dakota to Lake Huron, late Archean Eon (2700–2500 Ma) Wopmay orogeny – Mountain-building event in northern Canada – Along western edge...
collectively referred to as the "Gabonionta" (Francevillian Group Fossil); Wopmay orogeny along western margin of Canadian Shield. c. 2,090 Ma – Eburnean...
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