Skuterud Mines, Modum West, Modum, Buskerud, Norwayi
Regional Level Types | |
---|---|
Skuterud Mines | Group of Mines (Tourist Attraction) |
Modum West | Mining District |
Modum | Municipality |
Buskerud | County (Former) |
Norway | Country |
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Latitude & Longitude (WGS84):
59° 58' 48'' North , 9° 51' 10'' East
Latitude & Longitude (decimal):
Type:
Group of Mines (Tourist Attraction) - last checked 2023
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Vikersund | 2,448 (2016) | 7.8km |
Nakkerud | 350 (2013) | 13.5km |
Prestfoss | 465 (2014) | 14.0km |
Krøderen | 496 (2013) | 16.5km |
Tyristrand | 795 (2013) | 17.9km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
Club | Location | Distance |
---|---|---|
Buskerud Geologiforening | Solbergelva | 27km |
Mindat Locality ID:
2497
Long-form identifier:
mindat:1:2:2497:9
GUID (UUID V4):
26485897-d83b-4f98-8720-c9ff57bade7d
Other/historical names associated with this locality:
Skutterud Mines; Modum Cobalt Mines; Modum Koboltgruver
Other Languages:
Norwegian:
Skuterud koboltgruver, Modum vest, Modum, Buskerud, Norge
Former Co-Cu mines operated from 1778 until 1898.
Mineralization is fahlband ores (mainly pyrite and chalcopyrite), with some cobalt sulphides. Type locality for skutterudite.
The mines were operated to produce cobalt to be used in the colouring of glass and ceramics. Now the site of an open-air mining museum with exhibitions in several buildings and a view of the open pits.
UPDATE AUGUST 2023
Kuniko, an exploration company, reports the possibility of a large-scale cobalt-copper deposit after a drilling program at its Middagshvile target. Further drilling commencing in February 2024 should produce more details about the extent of the mineralisation.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.Mineral List
Mineral list contains entries from the region specified including sub-localities39 valid minerals. 1 (TL) - type locality of valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
ⓘ Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 References: |
ⓘ Albite Formula: Na(AlSi3O8) References: |
ⓘ 'Amphibole Supergroup' Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 Localities: |
ⓘ Anthophyllite Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2 Localities: |
ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) References: |
ⓘ Arsenopyrite Formula: FeAsS Description: Cobalt content vary from 2,8% to 11,8%. Samples with highest Co consist of two phases; glaucodote and arsenopyrite. |
ⓘ Arsenopyrite var. Danaite Formula: (Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS References: Scheerer, Th. (1837) Ueber zwei norwegische Kobalterze von den Skutteruder Gruben. Annalen der Physik und Chemie, 118. 546-555 doi:10.1002/andp.18371181205 |
ⓘ Azurite Formula: Cu3(CO3)2(OH)2 |
ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 Localities: References: |
ⓘ Bismuth Formula: Bi References: |
ⓘ Bornite Formula: Cu5FeS4 References: |
ⓘ Calcite Formula: CaCO3 Localities: References: |
ⓘ Chalcanthite Formula: CuSO4 · 5H2O |
ⓘ Chalcopyrite Formula: CuFeS2 Localities: References: |
ⓘ Cobaltite Formula: CoAsS Localities: Habit: Combinations of (210), (111) and (100). Description: First cobaltite found in the Modum area was in 1772 by Ole Witloch. References: |
ⓘ Copper Formula: Cu |
ⓘ Covellite Formula: CuS |
ⓘ Diopside Formula: CaMgSi2O6 References: |
ⓘ Dravite Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) References: |
ⓘ Erythrite Formula: Co3(AsO4)2 · 8H2O Localities: References: |
ⓘ 'Feldspar Group' Localities: |
ⓘ Galena Formula: PbS |
ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
ⓘ Gedrite Formula: ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
ⓘ Glaucodot Formula: (Co0.50Fe0.50)AsS Description: Scheerer (1838, p. 424) describe a mineral and cal it "arsenopyrite intergrown with Glandskobolt(cobaltite)", this mineral is identical as glaucodote which was described 11 years later. References: |
ⓘ Graphite Formula: C References: |
ⓘ Hexahydrite Formula: MgSO4 · 6H2O |
ⓘ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
ⓘ 'K Feldspar' |
ⓘ Linnaeite Formula: Co2+Co3+2S4 |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: |
ⓘ Malachite Formula: Cu2(CO3)(OH)2 Localities: References: |
ⓘ Microcline Formula: K(AlSi3O8) References: |
ⓘ Molybdenite Formula: MoS2 Localities: References: |
ⓘ Monazite-(Ce) Formula: Ce(PO4) Description: Sverdrup et al. report monazite-(Ce) as accessory mineral in the ore-bands. Monazite-(Ce) have been found in a small pegmatite close to Skutterud mines, together with schörl in muscovite (P. Andresen, self collected). |
ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Localities: References: |
ⓘ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 |
ⓘ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 Localities: References: |
ⓘ Pyrite Formula: FeS2 References: |
ⓘ Pyrrhotite Formula: Fe1-xS Localities: References: |
ⓘ Quartz Formula: SiO2 Localities: Reported from at least 6 localities in this region. References: |
ⓘ Safflorite Formula: (Co,Ni,Fe)As2 |
ⓘ Sillimanite Formula: Al2(SiO4)O Localities: References: |
ⓘ Silver Formula: Ag References: |
ⓘ Skutterudite (TL) Formula: CoAs3 Type Locality: Habit: Typical: (111), (211), (110) and more rarely: (100), (310) and (332). Description: Breithaupt(1827)first named it as Tesseralkies but the properties was described under the heading Hartkobaltkies". Scheerer (1837) introduced the name Arsenik-Koboltkiis", Hausmann (1847)as "Hartkobalterze", Nicol (1849) it as "Modumite", and Haidinger described it as "skutterudite".
References: Breithaupt, Aug. (1827) Ueber eine neue Kies-Spezies von Skutterud. Annalen der Physik und Chemie, 85. 115-116 doi:10.1002/andp.18270850110 Scheerer, Th. (1837) Ueber zwei norwegische Kobalterze von den Skutteruder Gruben. Annalen der Physik und Chemie, 118. 546-555 doi:10.1002/andp.18371181205 Wöhler, (1838) Ueber zwei neue Kobalt-Mineralien von Skutterud in Norwegen. Annalen der Physik und Chemie, 119. 591-592 doi:10.1002/andp.18381190317 Böbert, Karl F. (1848) Forsög til en geognostisk - mineralogisk Beskrivelse over Modums Koboltgruber, samt nogle almindelige Betraktninger over Fahlbaand [Attempt to a geognostic-mineralogical description of the Modum cobalt mines, and some common considerations on Fahlband]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 5. 1-32 p.8 Beutell, A. (1916) Mikroskopische Untersuchung des Speiskobalts und Chloanthits. Mit 20 Textfiguren . Centralblatt für Mineralogie, Geologie und Paläontologie, E. Schweizerbart. 180-185 Samdahl, Bjarne (1925) Analyse des Skutterudits. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 8 (1-2) Norsk Geologisk Forening (Geological Society of Norway) 68-73 Rosenquist, Ivan Th. (1949) Noen observasjoner og refleksjoner omkring Modum koboltgruver (Nedl.) I. Fahlbåndene [Some observations and reflections on Modum cobalt mines (closed) I. The fahlbands]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 27 (3-4) Norsk Geologisk Forening. 187-216 p.209 |
ⓘ Sphalerite Formula: ZnS |
ⓘ 'Tennantite Subgroup' Formula: Cu6(Cu4C2+2)As4S12S |
ⓘ Titanite Formula: CaTi(SiO4)O |
ⓘ Titanite var. Yttrium-bearing Titanite Formula: (Ca,Y)TiSiO5 |
ⓘ 'Tourmaline' Formula: AD3G6 (T6O18)(BO3)3X3Z References: |
ⓘ Uraninite Formula: UO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
ⓘ | Copper | 1.AA.05 | Cu |
ⓘ | Silver | 1.AA.05 | Ag |
ⓘ | Bismuth | 1.CA.05 | Bi |
ⓘ | Graphite | 1.CB.05a | C |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Bornite | 2.BA.15 | Cu5FeS4 |
ⓘ | Covellite | 2.CA.05a | CuS |
ⓘ | Sphalerite | 2.CB.05a | ZnS |
ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
ⓘ | Galena | 2.CD.10 | PbS |
ⓘ | Linnaeite | 2.DA.05 | Co2+Co3+2S4 |
ⓘ | Molybdenite | 2.EA.30 | MoS2 |
ⓘ | Pyrite | 2.EB.05a | FeS2 |
ⓘ | Glaucodot | 2.EB.10c | (Co0.50Fe0.50)AsS |
ⓘ | Safflorite | 2.EB.15a | (Co,Ni,Fe)As2 |
ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
ⓘ | var. Danaite | 2.EB.20 | (Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS |
ⓘ | Cobaltite | 2.EB.25 | CoAsS |
ⓘ | Skutterudite (TL) | 2.EC.05 | CoAs3 |
ⓘ | 'Tennantite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)As4S12S |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
ⓘ | Quartz | 4.DA.05 | SiO2 |
ⓘ | Uraninite | 4.DL.05 | UO2 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
ⓘ | Chalcanthite | 7.CB.20 | CuSO4 · 5H2O |
ⓘ | Hexahydrite | 7.CB.25 | MgSO4 · 6H2O |
Group 8 - Phosphates, Arsenates and Vanadates | |||
ⓘ | Monazite-(Ce) | 8.AD.50 | Ce(PO4) |
ⓘ | Erythrite | 8.CE.40 | Co3(AsO4)2 · 8H2O |
Group 9 - Silicates | |||
ⓘ | Sillimanite | 9.AF.05 | Al2(SiO4)O |
ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
ⓘ | var. Yttrium-bearing Titanite | 9.AG.15 | (Ca,Y)TiSiO5 |
ⓘ | Dravite | 9.CK.05 | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
ⓘ | Gedrite | 9.DD.05 | ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
ⓘ | Anthophyllite | 9.DD.05 | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
ⓘ | Actinolite | 9.DE.10 | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
ⓘ | Muscovite var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
ⓘ | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
Unclassified | |||
ⓘ | 'Tourmaline' | - | AD3G6 (T6O18)(BO3)3X3Z |
ⓘ | 'Feldspar Group' | - | |
ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
ⓘ | 'Hornblende Root Name Group' | - | ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
ⓘ | 'K Feldspar' | - | |
ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
H | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
H | ⓘ Chalcanthite | CuSO4 · 5H2O |
H | ⓘ Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
H | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
H | ⓘ Gedrite | ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
H | ⓘ Hexahydrite | MgSO4 · 6H2O |
H | ⓘ Malachite | Cu2(CO3)(OH)2 |
H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
H | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
B | Boron | |
B | ⓘ Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
B | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
C | Carbon | |
C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
C | ⓘ Calcite | CaCO3 |
C | ⓘ Graphite | C |
C | ⓘ Malachite | Cu2(CO3)(OH)2 |
O | Oxygen | |
O | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
O | ⓘ Albite | Na(AlSi3O8) |
O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
O | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Chalcanthite | CuSO4 · 5H2O |
O | ⓘ Diopside | CaMgSi2O6 |
O | ⓘ Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
O | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
O | ⓘ Gedrite | ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
O | ⓘ Hexahydrite | MgSO4 · 6H2O |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Malachite | Cu2(CO3)(OH)2 |
O | ⓘ Microcline | K(AlSi3O8) |
O | ⓘ Monazite-(Ce) | Ce(PO4) |
O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
O | ⓘ Quartz | SiO2 |
O | ⓘ Sillimanite | Al2(SiO4)O |
O | ⓘ Titanite | CaTi(SiO4)O |
O | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
O | ⓘ Uraninite | UO2 |
O | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
O | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
O | ⓘ Garnet Group | X3Z2(SiO4)3 |
O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
F | Fluorine | |
F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
F | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Na | Sodium | |
Na | ⓘ Albite | Na(AlSi3O8) |
Na | ⓘ Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
Mg | Magnesium | |
Mg | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Mg | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Mg | ⓘ Diopside | CaMgSi2O6 |
Mg | ⓘ Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
Mg | ⓘ Gedrite | ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
Mg | ⓘ Hexahydrite | MgSO4 · 6H2O |
Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Al | Aluminium | |
Al | ⓘ Albite | Na(AlSi3O8) |
Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | ⓘ Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
Al | ⓘ Gedrite | ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
Al | ⓘ Microcline | K(AlSi3O8) |
Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Al | ⓘ Sillimanite | Al2(SiO4)O |
Al | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Si | Silicon | |
Si | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Si | ⓘ Albite | Na(AlSi3O8) |
Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Si | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Si | ⓘ Diopside | CaMgSi2O6 |
Si | ⓘ Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
Si | ⓘ Gedrite | ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
Si | ⓘ Microcline | K(AlSi3O8) |
Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Sillimanite | Al2(SiO4)O |
Si | ⓘ Titanite | CaTi(SiO4)O |
Si | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Si | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
P | Phosphorus | |
P | ⓘ Monazite-(Ce) | Ce(PO4) |
P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
S | Sulfur | |
S | ⓘ Arsenopyrite | FeAsS |
S | ⓘ Bornite | Cu5FeS4 |
S | ⓘ Chalcopyrite | CuFeS2 |
S | ⓘ Chalcanthite | CuSO4 · 5H2O |
S | ⓘ Cobaltite | CoAsS |
S | ⓘ Covellite | CuS |
S | ⓘ Galena | PbS |
S | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
S | ⓘ Hexahydrite | MgSO4 · 6H2O |
S | ⓘ Linnaeite | Co2+Co23+S4 |
S | ⓘ Molybdenite | MoS2 |
S | ⓘ Pyrite | FeS2 |
S | ⓘ Pyrrhotite | Fe1-xS |
S | ⓘ Sphalerite | ZnS |
S | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
S | ⓘ Arsenopyrite var. Danaite | (Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS |
Cl | Chlorine | |
Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Cl | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
K | Potassium | |
K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
K | ⓘ Microcline | K(AlSi3O8) |
K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Ca | ⓘ Calcite | CaCO3 |
Ca | ⓘ Diopside | CaMgSi2O6 |
Ca | ⓘ Titanite | CaTi(SiO4)O |
Ca | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Ca | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Ti | Titanium | |
Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Ti | ⓘ Titanite | CaTi(SiO4)O |
Ti | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Fe | Iron | |
Fe | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Fe | ⓘ Arsenopyrite | FeAsS |
Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | ⓘ Bornite | Cu5FeS4 |
Fe | ⓘ Chalcopyrite | CuFeS2 |
Fe | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Pyrite | FeS2 |
Fe | ⓘ Pyrrhotite | Fe1-xS |
Fe | ⓘ Safflorite | (Co,Ni,Fe)As2 |
Fe | ⓘ Arsenopyrite var. Danaite | (Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS |
Co | Cobalt | |
Co | ⓘ Cobaltite | CoAsS |
Co | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
Co | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
Co | ⓘ Linnaeite | Co2+Co23+S4 |
Co | ⓘ Safflorite | (Co,Ni,Fe)As2 |
Co | ⓘ Skutterudite | CoAs3 |
Co | ⓘ Arsenopyrite var. Danaite | (Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS |
Ni | Nickel | |
Ni | ⓘ Safflorite | (Co,Ni,Fe)As2 |
Cu | Copper | |
Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
Cu | ⓘ Bornite | Cu5FeS4 |
Cu | ⓘ Chalcopyrite | CuFeS2 |
Cu | ⓘ Chalcanthite | CuSO4 · 5H2O |
Cu | ⓘ Covellite | CuS |
Cu | ⓘ Copper | Cu |
Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Cu | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
Zn | Zinc | |
Zn | ⓘ Sphalerite | ZnS |
As | Arsenic | |
As | ⓘ Arsenopyrite | FeAsS |
As | ⓘ Cobaltite | CoAsS |
As | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
As | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
As | ⓘ Safflorite | (Co,Ni,Fe)As2 |
As | ⓘ Skutterudite | CoAs3 |
As | ⓘ Tennantite Subgroup | Cu6(Cu4C22+)As4S12S |
As | ⓘ Arsenopyrite var. Danaite | (Fe0.90Co0.10)AsS - (Fe0.65Co0.35)AsS |
Y | Yttrium | |
Y | ⓘ Titanite var. Yttrium-bearing Titanite | (Ca,Y)TiSiO5 |
Mo | Molybdenum | |
Mo | ⓘ Molybdenite | MoS2 |
Ag | Silver | |
Ag | ⓘ Silver | Ag |
Ce | Cerium | |
Ce | ⓘ Monazite-(Ce) | Ce(PO4) |
Pb | Lead | |
Pb | ⓘ Galena | PbS |
Bi | Bismuth | |
Bi | ⓘ Bismuth | Bi |
U | Uranium | |
U | ⓘ Uraninite | UO2 |
Geochronology
Mineralization age: Mesoproterozoic : 1463 Ma to 1080 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
Geologic Time | Rocks, Minerals and Events | ||||||||||||
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Precambrian | |||||||||||||
Proterozoic | |||||||||||||
Mesoproterozoic | |||||||||||||
Stenian |
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Calymmian |
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Localities in this Region
- Buskerud
- Modum
- Modum West
- Modum
- Buskerud
- Modum
- Modum West
- Skuterud Mines
- Modum West
- Modum
Other Regions, Features and Areas containing this locality
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
Breithaupt, Aug. (1827) Ueber eine neue Kies-Spezies von Skutterud. Annalen der Physik und Chemie, 85. 115-116 doi:10.1002/andp.18270850110
Scheerer, Th. (1837) Ueber zwei norwegische Kobalterze von den Skutteruder Gruben. Annalen der Physik und Chemie, 118. 546-555 doi:10.1002/andp.18371181205
Scheerer, Th. (1845) Bidrag til Kunskab om norske Mineralier [Contribution to the Knowledge of Norwegian Minerals]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 4. 333-349 with an analysis of tennantite from Skuterud
Böbert, Karl F. (1848) Forsög til en geognostisk - mineralogisk Beskrivelse over Modums Koboltgruber, samt nogle almindelige Betraktninger over Fahlbaand [Attempt to a geognostic-mineralogical description of the Modum cobalt mines, and some common considerations on Fahlband]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 5. 1-32
Samdahl, Bjarne (1925) Analyse des Skutterudits. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 8 (1-2) Norsk Geologisk Forening (Geological Society of Norway) 68-73
Oftedal, Ivar (1926) The crystal structure of skutterudite and related minerals. A preliminary paper. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 8 (4) Norsk Geologisk Forening. 250-257 + plate
Rosenquist, Ivan Th. (1949) Noen observasjoner og refleksjoner omkring Modum koboltgruver (Nedl.) I. Fahlbåndene [Some observations and reflections on Modum cobalt mines (closed) I. The fahlbands]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 27 (3-4) Norsk Geologisk Forening. 187-216
Rosenquist, Ivan Th. (1949) Noen observasjoner og refleksjoner omkring Modum Koboltgruver (nedl.) Il. Degranitisering. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 28 (1) Norsk Geologisk Forening. 1-20
Gammon, J. B. (1966) Fahlbands in the Precambrian of southern Norway. Economic Geology, 61 (1) 174-188 doi:10.2113/gsecongeo.61.1.174
Grorud, Hans-Fredrik (1997) Textural and compositional characteristics of cobalt ores from the Skuterud Mines of Modum, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 77 (1) Norsk Geologisk Forening (Geological Society of Norway) 31-38
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Skuterud Mines, Modum West, Modum, Buskerud, Norway