NUG 4 claim, Nahanni River area, Mackenzie Mts, Mackenzie District, Northwest Territories, Canada
|Latitude & Longitude (WGS84):||62° 38' 27'' North , 129° 18' 15'' West|
|Latitude & Longitude (decimal):||62.64110,-129.30420|
|Köppen climate type:||ET : Tundra|
9 valid minerals.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
|Tournaisian - Devonian|
346.7 - 419.2 Ma
|Portrait Lake/Prevost Fm|
358.9 - 382.7 Ma
|Sedimentary; Slope and deep water|
Age: Late Devonian (358.9 - 382.7 Ma)
Description: Eastern Alaska, Yukon, Mackenzie region, Selwyn Mountains, Mackenzie Mountains
Comments: Orogen, fold-thrust belt, folded region; Gordey & Makepeace, 2003
Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. 
|Late Devonian - Early Paleozoic|
358.9 - 541 Ma
|Paleozoic sedimentary rocks|
Age: Paleozoic (358.9 - 541 Ma)
Comments: Besa Assemblage; Cordillaran Foreland Belt
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.