Big Spruce Lake carbonatite, Mazenod Lake District, Northwest Territories, Canada
Latitude & Longitude (WGS84): | 63° 32' 59'' North , 115° 55' 0'' West |
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Latitude & Longitude (decimal): | 63.55000,-115.91667 |
GeoHash: | G#: c7m9d2bj9 |
Age: | 1785 Ma |
Geologic Time: | Statherian |
Dating method: | K-Ar nepheline syenite |
Köppen climate type: | Dfc : Subarctic climate |
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Mineral List
6 valid minerals.
Rock Types Recorded
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Alphabetical List Tree DiagramRegional Geology
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
Paleoproterozoic 1600 - 2500 Ma ID: 629994 | Igneous: intrusive; Intrusive: undivided Age: Proterozoic (1600 - 2500 Ma) Description: North America, Slave Craton Comments: Craton and massif; Hoffman et al., 1993; Stubley, 2005; Tella et al., unpublished compilation, 2007-08a Lithology: Alkaline, peralkaline and subalkaline granite, quartz syenite, diorite, gabbro, foyaite, ijolite, carbonatite Reference: J.C.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. [2] |
Neoarchean 2500 - 2800 Ma ID: 3191941 | Archean intrusive rocks Age: Neoarchean (2500 - 2800 Ma) Lithology: Intrusive igneous rocks 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. [154] |
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