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Nyköpingsgruvan, Utö Mines, Utö, Haninge, Södermanland, Sweden

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Latitude & Longitude (WGS84): 58° 57' 58'' North , 18° 19' 45'' East
Latitude & Longitude (decimal): 58.96625,18.32933
Other regions containing this locality:Scandinavia
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Nyköpingsgruvan, Utö Mines, Utö, Södermanland, Sweden


Iron and sulfide mine active 1607-1677. 215 m deep.
Includes NYF- and LTC-type pegmatites transecting the Nyköpingsgruvan iron formation of Paleoproterozoic age.


Mineral List


32 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 Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 3144449
Proterozoic I meta-sandstone

Age: Proterozoic (1600 - 2500 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{meta-sandstone}, Minor{mica schist,gneiss,amphibolite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Orosirian
1800 - 2050 Ma



ID: 2637033

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Bergslagen lithotectonic unit

Lithology: Rhyolite, dacite, metamorphic

Reference: Bergman, S., M.B. Sephens, J. Andersson, B. Kathol, T. Bergman. Sveriges berggrund, skala 1:1 miljon. Sveriges geologiska undersökning K 423. [95]

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



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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Langhof, J. and Holtstam, D. (1994) Boron-bearing chiavennite and other late-stage minerals of the Proterozoic lithium-pegmatites of Utö, Stockholm, Sweden. Abstr., l6th Gen. Meeting, Int. Mineral. Assoc. (Pisa), 232.
Nysten, P. (1996) Paragenetic setting and crystal chemistry of milarites from Proterozoic granitic pegmatites in Sweden. Neues Jahrbuch für Mineralogie, Monatshefte 1996, 564-576.
Cooper, M.A., Hawthorne, F.C, and Černý, P. (1999) Ta-Nb order in the crystal structure of niobium rich calciotantite. Canadian Mineralogist 37: 1289-1294 [analysis on material from Nyköpingsgruvan].
Selway, J.B., Smeds, S.-A., Černý, P., and Hawthorne, F.C. (2002) Compositional evolution of tourmaline in the petalite-subtype Nyköpingsgruvan pegmatites, Utö, Stockholm Archipelago, Sweden. GFF 124, 93-102.

Mineral and/or Locality  
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