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
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Standard Detailed Strunz Dana Chemical ElementsCommodity 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.05 | Fe2+Fe3+2O4 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | 'Calcite' | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | 'Albite' | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | 'Analcime' | 9.GB.05 | Na(AlSi2O6) · H2O |
| ⓘ | 'Epidote' | 9.BG.05a | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| ⓘ | 'Prehnite' | 9.DP.20 | Ca2Al2Si3O10(OH)2 |
| ⓘ | 'Titanite' | 9.AG.15 | CaTi(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 | |||
| ⓘ | Magnetite | 7.2.2.3 | Fe2+Fe3+2O4 |
| Group 14 - ANHYDROUS NORMAL CARBONATES | |||
| A(XO3) | |||
| ⓘ | Calcite | 14.1.1.1 | CaCO3 |
| 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 | |||
| ⓘ | Titanite | 52.4.3.1 | CaTi(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) | |||
| ⓘ | Epidote | 58.2.1a.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 | |||
| ⓘ | Prehnite | 72.1.3.1 | Ca2Al2Si3O10(OH)2 |
| Group 76 - TECTOSILICATES Al-Si Framework | |||
| Al-Si Framework with Al-Si frameworks | |||
| ⓘ | Albite | 76.1.3.1 | Na(AlSi3O8) |
| Group 77 - TECTOSILICATES Zeolites | |||
| Zeolite group - True zeolites | |||
| ⓘ | Analcime | 77.1.1.1 | Na(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
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Amphibole Supergroup | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| H | ⓘ Analcime | Na(AlSi2O6) · H2O |
| H | ⓘ Epidote | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| H | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Amphibole Supergroup | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| O | ⓘ Analcime | Na(AlSi2O6) · H2O |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Epidote | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| O | ⓘ Titanite | CaTi(SiO4)O |
| F | Fluorine | |
| F | ⓘ Amphibole Supergroup | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Amphibole Supergroup | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Al | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Al | ⓘ Epidote | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Al | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Amphibole Supergroup | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Si | ⓘ Analcime | Na(AlSi2O6) · H2O |
| Si | ⓘ Epidote | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Si | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Cl | Chlorine | |
| Cl | ⓘ Amphibole Supergroup | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Epidote | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Ca | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ti | Titanium | |
| Ti | ⓘ Amphibole Supergroup | AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Fe | Iron | |
| Fe | ⓘ Epidote | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) |
| Fe | ⓘ Magnetite | Fe2+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
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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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Gamle Mørefjær Mine, Neskilen Mines, Arendal Iron Mines, Arendal, Aust-Agder, Norway