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Aylmer Lake pegmatite field, Northwest Territories, Canada

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Latitude & Longitude (WGS84): 64° 4' 59'' North , 108° 49' 59'' West
Latitude & Longitude (decimal): 64.08333,-108.83333
GeoHash:G#: ce6se6jbr
Area:10,900 km2
Köppen climate type:Dfc : Subarctic climate


227+ pegmatites


Mineral List

Mineral list contains entries from the region specified including sub-localities

5 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Regional 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

Neoarchean
2500 - 2800 Ma



ID: 3187622
Archean sedimentary rocks

Age: Neoarchean (2500 - 2800 Ma)

Stratigraphic Name: Yellowknife Supergroup

Comments: Slave Craton

Lithology: Turbiditic sandstone

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]

Neoarchean
2500 - 2800 Ma



ID: 645882
Sedimentary; Sedimentary: undivided

Age: Neoarchean (2500 - 2800 Ma)

Description: North America, Slave Craton

Comments: Craton and massif; Hoffman et al., 1993; Stubley, 2005; Tella et al., unpublished compilation, 2007-08a

Lithology: Greywacke, pelite; quartzite, conglomerate, iron-formation, marble, volcanics; includes pre-yellowknife supergroup metasedimentary rocks

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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


Localities in this Region
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Canada

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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P.B. Tomascak, M.A. Wise, P. Cerni, and D.L. Trueman (1994) Reconnaissance studies of four pegmatite populations in the Northwest Territories. pp 33-62. in W.D. Sinclair and D.G. Richardson eds. Studies Of Rare-Metal Deposits In The Northwest Territories. Geological Survey Of Canada Bulletin 475
Tomascak, P. B. (1991). Granites and rare-element pegmatites of the Aylmer Lake pegmatite field, Slave Structural Province, NWT: petrochemistry, mineralogy, and exploration guidelines. MS thesis

Mineral and/or Locality  
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