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Helene Copper-Iron Mine, Smøla Island, Smøla, Møre og Romsdal, Norwayi
| Regional Level Types | |
|---|---|
| Helene Copper-Iron Mine | Group of Mines |
| Smøla Island | Island |
| Smøla | Municipality |
| Møre og Romsdal | County |
| Norway | Country |
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Latitude & Longitude (WGS84):
63° 21' 9'' North , 8° 0' 11'' East
Latitude & Longitude (decimal):
Type:
Group of Mines
Age:
485.4 ± 1.9 to 443.8 ± 1.5 Ma
Geologic Time:
Reference for age:
Geological Survey of Norway. The Ore Database. Deposit Area 1573 - 002. Helene.
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Rensvik | 2,121 (2013) | 29.7km |
| Kristiansund | 16,785 (2017) | 30.2km |
| Kvalvåg | 250 (2013) | 32.2km |
| Bremsnes | 415 (2013) | 33.9km |
| Tingvoll | 1,005 (2010) | 49.9km |
Other/historical names associated with this locality:
Helene grube
Other Languages:
Norwegian:
Helene gruve, Smøla, Smøla kommune, Møre og Romsdal, Norge
The history of this mine is poorly documented, but it has been said (A. Kvalheim?) that this deposit was already known before 1721, and it was initially worked for copper.
During the 1930's it was prospected for iron ore, mainly magnetite.
The mine is a water-filled adit, 22 m long in EW-direction, and 8-10 m in NS-direction.
In the south wall some of the ore can be observed, as a 1 m wide zone comprising pyrrhotite/chalcopyrite in a medium-grained pyroxene-garnet-epidote skarn.
The NGU registered other, nearby prospects as part of this registration, but are individually listed at Mindat:
-Kvernavatnet
-Gammelsmehaugen sør I
-Gammelsmehaugen sør II
A sample collected by Danish geology professor Svend Pedersen from a locality NE of the Helene mine, is in the collection of the Evje og Hornnes geomuseum Fennefoss.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
5 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Group 9 - Silicates | |||
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Unclassified | |||
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | Oxygen | |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Al | Aluminium | |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | Silicon | |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Ca | Calcium | |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to Geological Survey of Norway: | 4623 |
|---|
Other Regions, Features and Areas containing this locality
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Helene Copper-Iron Mine, Smøla Island, Smøla, Møre og Romsdal, Norway