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Frøvik mine, Leka Island, Leka, Trøndelag, Norway i
Regional Level Types
Frøvik mine Mine
Leka Island Island
Leka Municipality
Trøndelag County
Norway Country

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Key

Latitude & Longitude (WGS84):

65° 3' 53'' North , 11° 38' 25'' East

Latitude & Longitude (decimal):

65.06499,11.64037

G#: u7860usr0

Locality type:

Age:

485.4 ± 1.9 to 443.8 ± 1.5 Ma

Geologic Time:

Reference for age:

Geological Survey of Norway. Deposit Area 1755 - 009. Frøvik.

Köppen climate type:

Cfc : Subpolar oceanic climate

Nearest Settlements:

Place	Population	Distance
Kolvereid	1,467 (2018)	22.2km
Rørvik	2,615 (2018)	29.4km

Other/historical names associated with this locality:

Nord-Trøndelag

Other Languages:

Norwegian:

Frøvik gruve, Leka, Leka, Trøndelag, Norge

A sulphide ore. The mine was run several times in the period 1902 - 1920, and is today filled with water.
Foslie (1925) locality nr 450.

Regions containing this locality

Eurasian Plate	Tectonic Plate
Scandinavia	Region

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

ⓘ 'Albite-Anorthite Series'

ⓘ 'Amphibole Supergroup'

ⓘ Arsenopyrite

ⓘ Chalcopyrite

ⓘ Pentlandite

10 valid minerals.

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

Detailed Mineral List:

Formula: ☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂

Reference: FLUORNATROPYROKLOR (Na,Pb,Ca,REE,U)2Nb2O6F Upper Ribeira Grande River valley, Lombadas, Água da Pau (Fogo) volcan, São Miguel, Azorene, Portugal

ⓘ 'Albite-Anorthite Series'

Reference: FLUORNATROPYROKLOR (Na,Pb,Ca,REE,U)2Nb2O6F Upper Ribeira Grande River valley, Lombadas, Água da Pau (Fogo) volcan, São Miguel, Azorene, Portugal

ⓘ 'Amphibole Supergroup'

Formula: AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

Reference: FLUORNATROPYROKLOR (Na,Pb,Ca,REE,U)2Nb2O6F Upper Ribeira Grande River valley, Lombadas, Água da Pau (Fogo) volcan, São Miguel, Azorene, Portugal

ⓘ Arsenopyrite

Formula: FeAsS

Reference: FLUORNATROPYROKLOR (Na,Pb,Ca,REE,U)2Nb2O6F Upper Ribeira Grande River valley, Lombadas, Água da Pau (Fogo) volcan, São Miguel, Azorene, Portugal

ⓘ Chalcopyrite

Formula: CuFeS₂

Reference: Gustavson, M. (1976): Helgelandsflesa. Beskrivelse til det berggeologiske gradteigskart H 19- 1:100 000. Norges Geologiske Undersøkelse 328 (Skrifter 18), 23p + map

Formula: {Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)

Reference: FLUORNATROPYROKLOR (Na,Pb,Ca,REE,U)2Nb2O6F Upper Ribeira Grande River valley, Lombadas, Água da Pau (Fogo) volcan, São Miguel, Azorene, Portugal

Formula: Au

Reference: Gustavson, M. (1976): Helgelandsflesa. Beskrivelse til det berggeologiske gradteigskart H 19- 1:100 000. Norges Geologiske Undersøkelse 328 (Skrifter 18), 23p + map

Formula: Fe²⁺TiO₃

Reference: FLUORNATROPYROKLOR (Na,Pb,Ca,REE,U)2Nb2O6F Upper Ribeira Grande River valley, Lombadas, Água da Pau (Fogo) volcan, São Miguel, Azorene, Portugal

ⓘ Pentlandite

Formula: (Fe_xNi_y)_Σ9S₈

Reference: FLUORNATROPYROKLOR (Na,Pb,Ca,REE,U)2Nb2O6F Upper Ribeira Grande River valley, Lombadas, Água da Pau (Fogo) volcan, São Miguel, Azorene, Portugal

Formula: FeS₂

Reference: Gustavson, M. (1976): Helgelandsflesa. Beskrivelse til det berggeologiske gradteigskart H 19- 1:100 000. Norges Geologiske Undersøkelse 328 (Skrifter 18), 23p + map

Formula: Fe₇S₈

Reference: Gustavson, M. (1976): Helgelandsflesa. Beskrivelse til det berggeologiske gradteigskart H 19- 1:100 000. Norges Geologiske Undersøkelse 328 (Skrifter 18), 23p + map

Formula: ZnS

Reference: Gustavson, M. (1976): Helgelandsflesa. Beskrivelse til det berggeologiske gradteigskart H 19- 1:100 000. Norges Geologiske Undersøkelse 328 (Skrifter 18), 23p + map

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pentlandite	2.BB.15	(Fe_xNi_y)_Σ9S₈
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe₇S₈
ⓘ	Sphalerite	2.CB.05a	ZnS
Group 4 - Oxides and Hydroxides
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
Group 9 - Silicates
ⓘ	Actinolite	9.DE.10	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
ⓘ	Epidote	9.BG.05a	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Unclassified Minerals, Rocks, etc.
ⓘ	'Albite-Anorthite Series'	-
ⓘ	'Amphibole Supergroup'	-	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
ⓘ	Gold	1.1.1.1	Au
Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 9:8
ⓘ	Pentlandite	2.7.1.1	(Fe_xNi_y)_Σ9S₈
A_mX_p, with m:p = 1:1
ⓘ	Pyrrhotite	2.8.10.1	Fe₇S₈
ⓘ	Sphalerite	2.8.2.1	ZnS
A_mB_nX_p, with (m+n):p = 1:1
ⓘ	Chalcopyrite	2.9.1.1	CuFeS₂
A_mB_nX_p, with (m+n):p = 1:2
ⓘ	Arsenopyrite	2.12.4.1	FeAsS
ⓘ	Pyrite	2.12.1.1	FeS₂
Group 4 - SIMPLE OXIDES
A₂X₃
ⓘ	Ilmenite	4.3.5.1	Fe²⁺TiO₃
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
ⓘ	Epidote	58.2.1a.7	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Unclassified Minerals, Mixtures, etc.
ⓘ	Actinolite	-	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
ⓘ	'Albite-Anorthite Series'	-
ⓘ	'Amphibole Supergroup'	-	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Actinolite	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
O	Oxygen
O	ⓘ Amphibole Supergroup	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Actinolite	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
F	Fluorine
F	ⓘ Amphibole Supergroup	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Mg	Magnesium
Mg	ⓘ Actinolite	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
Al	Aluminium
Al	ⓘ Amphibole Supergroup	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	Silicon
Si	ⓘ Amphibole Supergroup	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Actinolite	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
S	Sulfur
S	ⓘ Sphalerite	ZnS
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Pyrrhotite	Fe₇S₈
S	ⓘ Pyrite	FeS₂
S	ⓘ Pentlandite	(Fe_xNi_y)_Σ9S₈
S	ⓘ Arsenopyrite	FeAsS
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ca	Calcium
Ca	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Ca	ⓘ Actinolite	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrrhotite	Fe₇S₈
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Pentlandite	(Fe_xNi_y)_Σ9S₈
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Fe	ⓘ Actinolite	☐{Ca₂}{Mg_4.5-2.5Fe_0.5-2.5}(Si₈O₂₂)(OH)₂
Ni	Nickel
Ni	ⓘ Pentlandite	(Fe_xNi_y)_Σ9S₈
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
Au	Gold
Au	ⓘ Gold	Au

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Gustavson, M. (1976): Helgelandsflesa. Beskrivelse til det berggeologiske gradteigskart H 19- 1:100 000. Norges Geologiske Undersøkelse 328 (Skrifter 18), 23p + map

Geological Survey of Norway. Deposit Area 1755 - 009. Frøvik. (Last updated 04.jan.1999)

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