The Rødsand Iron Mines was a medium sized mine, extracting a relatively low-grade magnetite ore. Mining commenced in 1899 and stopped in 1981. The lowest level was at 580 below sea level. The entire production was processed in Norway. Total production was 15 million tons of ore, resulting in 4 millions of tons of concentrate. At its most the mine employed 192 workers (1960) (Berg et al. 2016).

The ore consists of disseminated to semi-massive Fe-Ti oxides within amphibolite. The crude ore contained 25-30 % magnetite, 3,5-4 % ilmenite and 0,15-0,20 % V. The ore was used for the production of pig iron and ferrovanadium (NGU Focus nr. 7 Feb. 2019, see online reference below).

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

12 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

ⓘ Amphibolite

ⓘ Orthogneiss

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

References:

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

ⓘ 'Chlorite Group'

References:

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

ⓘ Corundum

Formula: Al₂O₃

References:

Vogt, J.H.L. (1910): Norges jernmalmforekomster. Norges Geologiske Undersøkelse. 51, 1-225 (p.118)

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ 'Högbomite'

Formula: (Mg,Fe)₂(Al,Ti)₅O₁₀

References:

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Description:

References:

Geis, H.-P. (1965): Eisen-Titanlagerstatten bei Raudsand, Westnorwegen. Norges Geologiske Undersøkelse (Årbok 1964). 234, 15-52.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ Molybdenite

Formula: MoS₂

References:

Geis, H.-P. (1965): Eisen-Titanlagerstatten bei Raudsand, Westnorwegen. Norges Geologiske Undersøkelse (Årbok 1964). 234, 15-52. (p. 18)

ⓘ Pentlandite

Formula: (Ni_xFe_y)_Σ9S₈

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ Pyrite

Formula: FeS₂

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ Pyrrhotite

Formula: Fe_1-xS

References:

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

ⓘ Quartz

Formula: SiO₂

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ Rutile

Formula: TiO₂

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 9 - Silicates
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Unclassified
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Högbomite'	-	(Mg,Fe)₂(Al,Ti)₅O₁₀
ⓘ	'Chlorite Group'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	Oxygen
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Corundum	Al₂O₃
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Högbomite	(Mg,Fe)₂(Al,Ti)₅O₁₀
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
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	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Högbomite	(Mg,Fe)₂(Al,Ti)₅O₁₀
Al	Aluminium
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	ⓘ Corundum	Al₂O₃
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Högbomite	(Mg,Fe)₂(Al,Ti)₅O₁₀
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Molybdenite	MoS₂
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)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
Ca	Calcium
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
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	ⓘ Högbomite	(Mg,Fe)₂(Al,Ti)₅O₁₀
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	Iron
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Högbomite	(Mg,Fe)₂(Al,Ti)₅O₁₀
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ni	Nickel
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂

Other Databases

Link to Geological Survey of Norway:	4590

Other Regions, Features and Areas containing this locality

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References

Geological Survey of Norway. The Ore Database. Deposit Area 1543 - 001. Rødsand. (Last updated 22.feb.2017)

(n.d.)

issuu.com (n.d.) https://issuu.com/ngu_/docs/focus_7_2019_titanium_and_iron_tita

Vogt, J.H.L. (1910): Norges jernmalmforekomster. Norges Geologiske Undersøkelse. 51, 1-225 (p.118 on corundum)

Schetelig, Jakob (1918) Høgbomit i norsk jernmalm [Högbomite in Norwegian iron ore]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 4 (3-4) 249-254

Geis, H.-P. (1965): Eisen-Titanlagerstatten bei Raudsand, Westnorwegen. Norges Geologiske Undersøkelse (Årbok 1964). 234, 15-52

Berg, B.I., Sæland, F., Nyland, A.J., Østensen, P.Ø., Nordrum, F.S., Kullerud, K. (2016) Bergverk i Norge. Kulturminner og historie. Vigmostad & Bjørke AS. pp 273-276

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Rødsand Iron Mines, Nesset, Molde, Møre og Romsdal, NorwayiRegional Level TypesRødsand Iron MinesDeposit NessetMunicipality (Former) MoldeMunicipality Møre og RomsdalCounty NorwayCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

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References

Rødsand Iron Mines, Nesset, Molde, Møre og Romsdal, Norway i
Regional Level Types
Rødsand Iron Mines Deposit
Nesset Municipality (Former)
Molde Municipality
Møre og Romsdal County
Norway Country