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Målvika tungsten skarn occurrence, Tosenfjorden, Brønnøy, Nordland, Norwayi
Regional Level Types
Målvika tungsten skarn occurrenceOccurrence
TosenfjordenFjord
BrønnøyMunicipality
NordlandCounty
NorwayCountry

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Key
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Latitude & Longitude (WGS84):
65° 18' 7'' North , 12° 51' 57'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Terråk623 (2010)33.2km
Other/historical names associated with this locality:
Målviken
Other Languages:
Norwegian:
Målvika tungsten skarnforekomst, Tosenfjorden, Brønnøy, Nordland, Norge


Two zones of skarn located at Målvika, at the northern shore of Tosenfjorden. The first zone consist of a 100 metre-wide mainzone 100 m southwest of Målvika and extends NNW for 700 m in-land, to a height of 400 metres.
The second (western) skarn zone is exposed in a road-cut 200 m to the south, near Skjervigbogen (Skjærvigbugen).

Postmetamorphic and post-genetic mineralization.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 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:

'Albite-Anorthite Series'
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
'Almandine-Spessartine Series'
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Calcite
Formula: CaCO3
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Chalcopyrite
Formula: CuFeS2
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Ferro-pargasite ?
Formula: {Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
Description: Reported as a ferro-pargasitic amphibole (James et al. 1993). Needs to be confirmed according to current amphibole nomenclature
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Goethite
Formula: α-Fe3+O(OH)
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Hedenbergite
Formula: CaFe2+Si2O6
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Hedenbergite var: Ferrosalite
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Ilmenite
Formula: Fe2+TiO3
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Magnetite
Formula: Fe2+Fe3+2O4
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Pyrite
Formula: FeS2
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
'Pyroxene Group'
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Pyrrhotite
Formula: Fe7S8
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Quartz
Formula: SiO2
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Scheelite
Formula: Ca(WO4)
Reference: http://www.norwegian-tungsten.com/
Sphalerite
Formula: ZnS
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Titanite
Formula: CaTi(SiO4)O
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74
Wollastonite
Formula: CaSiO3
Reference: James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ferro-pargasite ?9.DE.15{Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
Hedenbergite9.DA.15CaFe2+Si2O6
var: Ferrosalite9.DA.15CaFe2+Si2O6
Titanite9.AG.15CaTi(SiO4)O
Wollastonite9.DG.05CaSiO3
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Almandine-Spessartine Series'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Hedenbergite65.1.3a.2CaFe2+Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Almandine-Spessartine Series'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Ferro-pargasite ?-{Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
Hedenbergite
var: Ferrosalite
-CaFe2+Si2O6
'Pyroxene Group'-

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Goethiteα-Fe3+O(OH)
H Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O ScheeliteCa(WO4)
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O QuartzSiO2
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O CalciteCaCO3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O ApatiteCa5(PO4)3(Cl/F/OH)
O IlmeniteFe2+TiO3
O TitaniteCaTi(SiO4)O
O MagnetiteFe2+Fe23+O4
O Goethiteα-Fe3+O(OH)
O HedenbergiteCaFe2+Si2O6
O WollastoniteCaSiO3
O Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
SiSilicon
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si QuartzSiO2
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si TitaniteCaTi(SiO4)O
Si HedenbergiteCaFe2+Si2O6
Si WollastoniteCaSiO3
Si Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyrrhotiteFe7S8
S PyriteFeS2
S SphaleriteZnS
S ChalcopyriteCuFeS2
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca ScheeliteCa(WO4)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca CalciteCaCO3
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca TitaniteCaTi(SiO4)O
Ca HedenbergiteCaFe2+Si2O6
Ca WollastoniteCaSiO3
Ca Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
TiTitanium
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe PyrrhotiteFe7S8
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
Fe MagnetiteFe2+Fe23+O4
Fe Goethiteα-Fe3+O(OH)
Fe HedenbergiteCaFe2+Si2O6
Fe ChalcopyriteCuFeS2
Fe Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
WTungsten
W ScheeliteCa(WO4)

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

Devonian - Cambrian
358.9 - 541 Ma



ID: 642648
Sedimentary; Slope and deep water

Age: Paleozoic (358.9 - 541 Ma)

Description: Arctic-North Atlantic region, Caledonides: Scandinavia

Comments: Orogen, fold-thrust belt, folded region; Koistinen et al., 2001; Sigmond, 2002; Solli, unpublished compilation, 2007-08; Bergman et al., unpublished revisions, 2007-08

Lithology: Shale, chert, iron-formation, greywacke, turbidite, argillaceous limestone, matrix-supported conglomerate; metamorphosed equivalent

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

Silurian - Neoproterozoic
419.2 - 1000 Ma



ID: 3136766
Caledonian Orogenic Belt

Age: Neoproterozoic to Silurian (419.2 - 1000 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{mica schist}, Minor{gneiss,marble,amphibolite}

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]

Silurian - Proterozoic
419.2 - 2500 Ma



ID: 3186115
Precambrian-Phanerozoic crystalline metamorphic rocks

Age: to Silurian (419.2 - 2500 Ma)

Lithology: Metasedimentary schist

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]

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
James, W. D., Mitchell, P., Ineson, R. and Nordgulen, Ø. (1993) Geology and K/Ar chronology of the Målvika scheelite skarns, Central Norwegian Caledonides. Norges Geologiske Undersøkelse Bulletin 424: 65-74

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