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Nakkaalaaq (Nakalak Mt; Nakalaq), Taseq area, Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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Latitude & Longitude (WGS84): 60° 58' 55'' North , 45° 54' 5'' West
Latitude & Longitude (decimal): 60.98222,-45.90139

A steep mountain NE of Taseq Lake in the Ilímaussaq complex.

Mineral List

29 valid minerals. 4 (TL) - type locality of valid minerals.

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

Stenian - Ectasian
1000 - 1400 Ma
Igneous: intrusive; Intrusive: syenitic

Age: Mesoproterozoic (1000 - 1400 Ma)

Description: Greenland, Gardar Province

Comments: Magmatic arc/suite; Escher & Pulvertaft, 1995; Hamann et al., 2005; Jepsen, unpublished revisions, 2007-08

Lithology: Syenite

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, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on 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 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.


Semenov, E.I., Gerassimovsky, V.I., Maksimova, N.V., Andersen, S., and Petersen, O.V. (1965) Sorensenite, new sodium-beryllium-tin-silicate from the Ilímaussaq intrusion, South Greenland. Meddelelser om Grønland 181, 1-19.

Semenov, E.I., Sørensen, H., Bessmertnaja, M.S., and Novorossova, L.E. (1967) Chalcothallite – a new sulphide of copper and thallium from the Ilímaussaq alkaline intrusion, South Greenland. Bulletin Grønlands Geologiske Undersøgelse 683, 13–26 (also Meddelelser om Grønland 181(5), 13-26).

Bohse, H., Petersen, O., and Niedermayr, G. (2001) Notes on Leucophanite from the Ilimaussaq alkaline complex, South Greenland, Geology of Greenland Survey Bulletin, 190, 119-121.

Karup-Moeller, S., and Makovicky, E. (2001) Thalcusite from Nakkaalaaq, the Ilimaussaq alkaline complex, South Greenland, South Greenland, Geology of Greenland Survey Bulletin, 190, 127-130.

Friis, H. (2015) Første funn av behoitt på Grønland. Stein. 42 (1), 30-31.

Grice, J.D., Kristiansen, R., Friis, H., Rowe, R., Cooper, M.A., Poirier, G.G., Yang, P., and Weller, M.T. (2017) Hydroxylgugiaite: A new beryllium silicate mineral from the Larvik Plutonic Complex, southern Norway and the Ilímaussaq alkaline complex, South Greenland; the first member of the melilite group to incorporate a hydrogen atom. Canadian Mineralogist: 55: 219-232.

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