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Lassendalen Fluorspar Project (Lassendalen Fluorspar Mine), Kongsberg, Buskerud, Norwayi
Regional Level Types
Lassendalen Fluorspar Project (Lassendalen Fluorspar Mine)Project
KongsbergMunicipality
BuskerudCounty
NorwayCountry

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Latitude & Longitude (WGS84): 59° 37' 13'' North , 9° 32' 43'' East
Latitude & Longitude (decimal): 59.62030,9.54542
GeoHash:G#: u4wg1jwc2
Owned/operated by:Tertiary Minerals plc (100%)
Locality type:Project
Köppen climate type:Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Hillestad302 (2010)8.0km
Kongsberg17,667 (2017)8.0km
Notodden8,306 (2018)17.5km
Hjuksevelta350 (2014)17.7km
Svene296 (2013)19.3km


The Lassedalen fluorspar deposit was mined on a small scale during World War II when it was developed to a depth of 40m below surface and fluorspar was mined from a 560m long drift for use in aluminium smelting. The mine was dewatered in the 1970s by Norsk Hydro A/S and 29 diamond drill holes were drilled at surface as well as a series of percussion drill holes underground.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


No minerals currently recorded for this locality.

List of minerals for each chemical element

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

Proterozoic
541 - 2500 Ma



ID: 3186372
Proterozoic crystalline metamorphic rocks

Age: Proterozoic (541 - 2500 Ma)

Lithology: Granitoid gneiss; orthogneiss/paragneiss

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 3147961
Proterozoic II granite

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Major:{granite}, Minor{monzonite,meta-granite,meta-monzonite}

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]

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

External Links



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