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Gamle Mørefjær Mine (Mørfjær Mine), Neskilen Mines, Arendal Iron Mines, Arendal, Aust-Agder, Norway

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Name in Norwegian:Gamle Mørefjær gruve, Neskilen jerngruver, Arendal jerngruver, Arendal, Aust-Agder, Norge
Latitude & Longitude (WGS84): 58° 29' 35'' North , 8° 51' 21'' East
Latitude & Longitude (decimal): 58.49312,8.85596
GeoHash:G#: u4qkc82en
Locality type:Mine (Flooded) - last checked 2011
Köppen climate type:Cfb : Temperate oceanic climate
Other/historical names associated with this locality:Gamle Mørfjær gruve; Myhrefiær; Mørefjerd; Mørefjell


One of the deepest mines at Neskilen, 226 m deep. Known for producing good samples of analcime and groups of elongated prismatic scapolite crystals, among other minerals. The mine is today filled with water and inaccessible. Dangerous!

Regions containing this locality

Scandinavia

Region - 2,033 mineral species & varietal names listed

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


7 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Larsen, K.E. (2011): Mineralene i Arendals skarn-jernmalm-forekomster; mer enn 200 års mineralogihistorie. Norsk Bergverksmuseum Skrift. 46: 57-82
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Scheerer, Th. (1845): Geognostisk-mineralogiske Skizzer- samlede paa en Reise i sommeren 1842. Nyt Magasin for Naturvidenskaberne. 4, 126-164
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Strøm, H.C. (1836): Forsøg til et Grundrids af Mineraliernes Climatologie. Magazin for Naturvidenskaberne. 12: 200-250
Calcite
Formula: CaCO3
Reference: Bugge, J.A.W. (1954): Minerals from the skarn iron ore deposits at Arendal, Norway. 11. The zeolites. Det Kongelige Norske Videnskapers Selskab Skrifer 1954, 3, 1-18
'Chlorite Group'
Reference: Bugge, J.A.W. (1954): Minerals from the skarn iron ore deposits at Arendal, Norway. 11. The zeolites. Det Kongelige Norske Videnskapers Selskab Skrifer 1954, 3, 1-18
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Bugge, J.A.W. (1954): Minerals from the skarn iron ore deposits at Arendal, Norway. 11. The zeolites. Det Kongelige Norske Videnskapers Selskab Skrifer 1954, 3, 1-18
'Heulandite subgroup'
Reference: Bugge, J.A.W. (1954): Minerals from the skarn iron ore deposits at Arendal, Norway. 11. The zeolites. Det Kongelige Norske Videnskapers Selskab Skrifer 1954, 3, 1-18
'commodity:Iron'
Formula: Fe
Reference: From USGS MRDS database
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Kierulf, T. & Dahll, T. (1861): Om jernertsenes forekomst ved Arendal, Næs og Kragerø. Nyt Magazin for Naturvidenskaberne. 11: 293-359
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Strøm, H.C. (1836): Forsøg til et Grundrids af Mineraliernes Climatologie. Magazin for Naturvidenskaberne. 12: 200-250
'Pumpellyite'
Reference: Bugge, J.A.W. (1954): Minerals from the skarn iron ore deposits at Arendal, Norway. 11. The zeolites. Det Kongelige Norske Videnskapers Selskab Skrifter 1954, 3, 1-18.
'Scapolite'
Reference: Scheerer, Th. (1845): Geognostisk-mineralogiske Skizzer- samlede paa en Reise i sommeren 1842. Nyt Magasin for Naturvidenskaberne. 4, 126-164
Titanite
Formula: CaTi(SiO4)O
Reference: Scheerer, Th. (1845): Geognostisk-mineralogiske Skizzer- samlede paa en Reise i sommeren 1842. Nyt Magasin for Naturvidenskaberne. 4, 126-164

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Magnetite'4.BB.05Fe2+Fe3+2O4
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
'Analcime'9.GB.05Na(AlSi2O6) · H2O
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Prehnite'9.DP.20Ca2Al2Si3O10(OH)2
'Titanite'9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Chlorite Group'-
'Heulandite subgroup'-
'Pumpellyite'-
'Scapolite'-

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
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 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, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Chlorite Group'-
'Heulandite subgroup'-
'Pumpellyite'-
'Scapolite'-

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H AnalcimeNa(AlSi2O6) · H2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H PrehniteCa2Al2Si3O10(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O AlbiteNa(AlSi3O8)
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O AnalcimeNa(AlSi2O6) · H2O
O CalciteCaCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O MagnetiteFe2+Fe23+O4
O PrehniteCa2Al2Si3O10(OH)2
O TitaniteCaTi(SiO4)O
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al AnalcimeNa(AlSi2O6) · H2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si AnalcimeNa(AlSi2O6) · H2O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si TitaniteCaTi(SiO4)O
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca PrehniteCa2Al2Si3O10(OH)2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe MagnetiteFe2+Fe23+O4

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)
Strøm, H.C. (1836) Forsøg til et Grundrids af Mineraliernes Climatologie. Magazin for Naturvidenskaberne, 12, 200-250 [a find of analcime and prehnite, footnote on p. 216].
Scheerer, T. (1845) Geognostisk-mineralogiske Skizzer- samlede paa en Reise i sommeren 1842. Nyt Magazin for Naturvidenskaberne, 4, 126-164.
Kjerulf, T. and Dahll, T. (1861) Om jernertsenes forekomst ved Arendal, Næs og Kragerø. Nyt Magazin for Naturvidenskaberne, 11, 293-359.
Bugge, J.A.W. (1954) Minerals from the skarn iron ore deposits at Arendal, Norway. 11. The zeolites. Det Kongelige Norske Videnskabers Selskabs Skrifter, 3, 1-18 [a note on a find of heulandite and pumpellyite].


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