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Mørefjær Feldspar Quarry (Mörefjer), Stokken, Arendal, Aust-Agder, Norwayi
Regional Level Types
Mørefjær Feldspar Quarry (Mörefjer)Quarry (Abandoned)
StokkenMunicipality (Historical)
ArendalMunicipality
Aust-AgderCounty
NorwayCountry

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Name in Norwegian:Mørefjær feltspatbrudd, Stokken, Arendal, Aust-Agder, Norge
Latitude & Longitude (WGS84): 58° 29' 43'' North , 8° 51' 9'' East
Latitude & Longitude (decimal): 58.49554,8.85276
GeoHash:G#: u4qkc2y3h
Locality type:Quarry (Abandoned) - last checked 2012
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Arendal30,916 (2017)6.0km
Tvedestrand1,975 (2016)14.8km
Rykene647 (2013)15.7km
Fevik4,989 (2014)16.6km
Grimstad9,561 (2017)22.9km


An abandoned feldspar quarry in a granite pegmatite dike E of the town Arendal, on the western side of Neskilen. The remnant of the pegmatite is today under a paved road, the Skibvig Ringvei, and easily accessable from the west. See the locality photos for further info.

Regions containing this locality

Eurasian PlateTectonic Plate
Fennoscandian ShieldShield
ScandinaviaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


9 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:

Aeschynite-(Y)
Formula: (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Habit: Platy after {101}. Forms observed: {001},{130},{021}
Colour: Brownish black with an outer bluegreyish alteration film
Description: Platy crystals up to 7-8 cm along the c-axis has been found.
Reference: Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6, p.109
Albite
Formula: Na(AlSi3O8)
Reference: collection of the British Museum of Natural History #1932,1235
'Albite-Anorthite Series'
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Dons, J. (1956) Coal Blend and Uraniferous Hydrocarbon in Norway. Norsk Geologisk Tidsskrift, 36: 249-256
'Biotite'
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]
Calcite
Formula: CaCO3
Reference: Dons, J. (1956) Coal Blend and Uraniferous Hydrocarbon in Norway. Norsk Geologisk Tidsskrift, 36: 249-256
Chalcopyrite
Formula: CuFeS2
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]
'Chlorite Group'
Reference: Dons, J. (1956) Coal Blend and Uraniferous Hydrocarbon in Norway. Norsk Geologisk Tidsskrift, 36: 249-256
'Coal blend'
Reference: Dons, J. (1956) Coal Blend and Uraniferous Hydrocarbon in Norway. Norsk Geologisk Tidsskrift, 36: 249-256
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Reference: Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6, p.109
'Feldspar Group'
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]
'Feldspar Group var: Perthite'
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]
'Heulandite subgroup'
Reference: Dons, J. (1956) Coal Blend and Uraniferous Hydrocarbon in Norway. Norsk Geologisk Tidsskrift, 36: 249-256
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Dons, J. (1956) Coal Blend and Uraniferous Hydrocarbon in Norway. Norsk Geologisk Tidsskrift, 36: 249-256
Pyrite
Formula: FeS2
Reference: Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b, 1-109. [p.72-73]

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Aeschynite-(Y)4.DF.05(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-
'Chlorite Group'-
'Coal blend'-
'Feldspar Group'-
'var: Perthite'-
'Heulandite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB2O6
Aeschynite-(Y)8.3.6.3(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Euxenite-(Y)8.3.8.2(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-
'Chlorite Group'-
'Coal blend'-
'Feldspar Group'-
'var: Perthite'-
'Heulandite subgroup'-

List of minerals for each chemical element

HHydrogen
H Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
H MuscoviteKAl2(AlSi3O10)(OH)2
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H AnalcimeNa(AlSi2O6) · H2O
H PrehniteCa2Al2Si3O10(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O AlbiteNa(AlSi3O8)
O Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O MuscoviteKAl2(AlSi3O10)(OH)2
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O AnalcimeNa(AlSi2O6) · H2O
O PrehniteCa2Al2Si3O10(OH)2
O CalciteCaCO3
NaSodium
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AnalcimeNa(AlSi2O6) · H2O
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si AnalcimeNa(AlSi2O6) · H2O
Si PrehniteCa2Al2Si3O10(OH)2
SSulfur
S PyriteFeS2
S ChalcopyriteCuFeS2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca PrehniteCa2Al2Si3O10(OH)2
Ca CalciteCaCO3
TiTitanium
Ti Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
CuCopper
Cu ChalcopyriteCuFeS2
YYttrium
Y Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
NbNiobium
Nb Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
CeCerium
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ThThorium
Th Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

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

Mesoproterozoic
1000 - 1600 Ma



ID: 3131169
Proterozoic II gneiss

Age: Mesoproterozoic (1000 - 1600 Ma)

Description: undifferentiated metamorphic

Lithology: Gneiss

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]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Brøgger, W. C. (1906) Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6, p.109 [description on blomstrandine = aeschynite-(Y)]
Andersen, O. (1931) Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse. 128b: 1-109 [p. 72-73]
Dons, J. (1956) Coal Blend and Uraniferous Hydrocarbon in Norway. Norsk Geologisk Tidsskrift, 36: 249-256
Ewing, R. C. (1973) Vickers hardness and reflectance determinations for metamict AB2O6-type rare earth Ti-Nb-Ta oxides. American Mineralogist. 58:942-944 [With analysis of aeschynite from Mørefjær]

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