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Viitaniemi pegmatite, Eräjärvi area, Orivesi, Western and Inner Finland Region, Finland

This page kindly sponsored by Jyrki Autio
Key
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Latitude & Longitude (WGS84): 61° 35' 3'' North , 24° 40' 37'' East
Latitude & Longitude (decimal): 61.58444,24.67722
GeoHash:G#: udcw3e17k
Locality type:Pegmatite
Köppen climate type:Dfc : Subarctic climate


An LCT-type granitic pegmatite, known for an exceptional abundance of phosphate minerals containing lithium, manganese, iron, and beryllium. It is the type locality of the Mn-Be phosphate väyrynenite and of viitaniemiite.

Note on the mineral list:
Crystals sold as tapiolite-(Mn) have been shown by analysis (XRD & microprobe) to be "pseudotetragonal" tantalite-(Mn). (Info by Ilkka Mikkola 19. 10. 2011)


Mineral List

Albite

var: Cleavelandite

Almandine

Amblygonite

'Amblygonite-Montebrasite Series'

Analcime

Anatase

Anglesite

Antimony

Arsenopyrite

Augelite

Azurite

Bertrandite

Beryl

var: Aquamarine

Beryllonite

'Biotite'

Bismuth

Brazilianite

'Ca-Huréaulite'

Calcite

Cassiterite

Chalcopyrite

Cheralite

'Cheralite-(Ce)'

'Chlorite Group'

Columbite-(Fe)

'Columbite-(Fe)-Columbite-(Mn) Series'

Columbite-(Mn)

Cookeite

Crandallite

var: Strontian Crandallite

Dravite

Elbaite

Eosphorite

Ernstite

Fairfieldite

'Feldspar Group'

'var: Perthite'

'Ferrisicklerite-Sicklerite Series'

Fluorapatite

var: Mn-bearing Fluorapatite

Fluorcalciomicrolite

Fluorite

Fluornatromicrolite

Frondelite

Galena

Germanite

Goethite

Graphite

Herderite ?

Herzenbergite

'Heterosite-Purpurite Series'

Hureaulite

Hurlbutite

Hydroxycalciomicrolite

Hydroxylapatite

Hydroxylherderite

Jahnsite-(CaMnFe)

Jamesonite

Kaolinite

Kermesite

Lacroixite

Laueite

'Lepidolite'

'Limonite'

Lithiophilite

Löllingite

Magnetite

Malachite

Marcasite

Messelite

Metaswitzerite

Metavivianite

Microcline

Microlite Group

var: Uranmicrolite (of Hogarth 1977)

Mimetite

Mitridatite

Molybdenite

'Monazite'

Monazite-(Ce)

Montebrasite

Montmorillonite

Moraesite

Morinite

Muscovite

var: Illite

Nontronite

Orthoclase

Oxyplumboroméite

Phosphosiderite

Pollucite

Purpurite

Pyrite

'Pyrobitumen'

'var: Thucholite'

Pyrrhotite

Quartz

var: Rose Quartz

Reddingite

Rockbridgeite

Rutile

Schorl

Scorodite

Senarmontite

Sicklerite

Siderite

Spessartine

Sphalerite

Spodumene

'Stibiconite'

Stibnite

Strengite

Strunzite

Switzerite

Tantalite-(Mn)

Tapiolite-(Fe)

Tapiolite-(Mn)

Tetrahedrite

Thorianite

Thorite

Topaz

'Tourmaline'

Trilithionite

Triphylite

Triplite

Uraninite

Valentinite

Varulite

Väyrynenite (TL)

Viitaniemiite (TL)

Vivianite

'Wad'

Wardite

Wodginite

Zircon

var: Hafnian Zircon


110 valid minerals. 2 (TL) - type locality of valid minerals. 2 erroneous literature entries.

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!

Select Rock List Type

Alphabetical List Tree Diagram

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: 658571
Sedimentary; Slope and deep water

Age: Proterozoic (1600 - 2500 Ma)

Description: Northern Europe, Svecofennian and Lapland-Kola orogens

Comments: Orogen, fold-thrust belt, folded region; Koistinen et al., 2001; Sigmond, 2002; Solli, unpublished compilation, 2007-08; Bergman et al., unpublished revisions, 2007-08

Lithology: Greywacke, phyllite, mica schist, meta-arkose, graphitic schist, paragneiss, conglomerate, amphibolite

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3148793
Proterozoic I gabbro

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Major:{gabbro}, Minor{diorite,plutonic ultramafic group,meta-gabbro}

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3184895
Paleoproterozoic sedimentary rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Mica schist; metasedimentary schist

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]

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)
Lahti, S.I. (1981) On the granitic pegmatites of the Eräjärvi area in Orivesi, southern Finland. Geological Survey of Finland Bulletin: 314: 51-56.
Teerstra, D.K., Lahti, S., Alviola, R., and Černý, P. (1993) Pollucite and its alteration in Finnish Pegmatites. Geological Survey of Finland Bulletin: 368: 15-22.
Sandström, F. and Lahti, S.I. (2009) Viitaniemipegmatiten i Eräjärvi, Orivesi, Finland. Litofilen: 26 (1): 11-38.
Lahti, S. (2000) Compositional variation in columbite-group minerals from different types of granitic pegmatites of the Eräjärvi district, South Finland. Journal of the Czech Geological Society: 45 (1-2): 107-118.

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