Uivfaq, Disko Island, Qeqertalik, Greenlandi
| Regional Level Types | |
|---|---|
| Uivfaq | Occurrence |
| Disko Island | Island |
| Qeqertalik | Municipality |
| Greenland | Autonomous Territory |
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Latitude & Longitude (WGS84):
69° 21' 47'' North , 54° 2' 23'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Other/historical names associated with this locality:
Ovifak; Ovifac; Kitaa Province (West Greenland)
Large blocks (to 25 tons) of native iron were found by Nordenskiöld in 1870 and brought to Sweden as meteorites. It was later discovered that iron occurred as nodules in Tertiary basalt, formed by reduction due to the incorporation of carbon-rich sediments.
The 'iron' is an assemblage of iron and iron carbide (cohenite) and various silicate, sulphide, and oxide inclusions containing highly reduced and iron-rich phases, including fayalite, wüstite, troilite, ulvöspinel, ilmenite, ferriferous pigeonite, and FeO-rich glass (Bird et al., 1981).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities14 valid minerals.
Detailed Mineral List:
| ⓘ Akaganeite Formula: (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ 'Chabazite' |
| ⓘ 'Chabazite var. Phacolite' |
| ⓘ Cohenite Formula: Fe3C |
| ⓘ Corundum Formula: Al2O3 References: |
| ⓘ 'Fayalite-Forsterite Series' |
| ⓘ 'Glass' |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Graphite Formula: C References: |
| ⓘ Ilmenite Formula: Fe2+TiO3 |
| ⓘ Lawrencite Formula: (Fe2+,Ni)Cl2 References: |
| ⓘ 'Lévyne' |
| ⓘ Native Iron Formula: Fe |
| ⓘ Native Iron var. Kamacite Formula: (Fe,Ni) |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ Pyrite Formula: FeS2 References: Dr. Günter Grundmann collectionIdentified by Dr. Günter Grundmann: Polarised-light microscopy |
| ⓘ Scolecite Formula: CaAl2Si3O10 · 3H2O |
| ⓘ Spinel Formula: MgAl2O4 References: |
| ⓘ Troilite Formula: FeS |
| ⓘ Ulvöspinel Formula: TiFe2+2O4 |
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Iron | 1.AE.05 | Fe |
| ⓘ | var. Kamacite | 1.AE.05 | (Fe,Ni) |
| ⓘ | Cohenite | 1.BA.05 | Fe3C |
| ⓘ | Graphite | 1.CB.05a | C |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Troilite | 2.CC.10 | FeS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Lawrencite | 3.AB.20 | (Fe2+,Ni)Cl2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
| ⓘ | Ulvöspinel | 4.BB.05 | TiFe2+2O4 |
| ⓘ | Corundum | 4.CB.05 | Al2O3 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Akaganeite | 4.DK.05 | (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
| Group 9 - Silicates | |||
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Scolecite | 9.GA.05 | CaAl2Si3O10 · 3H2O |
| Unclassified | |||
| ⓘ | 'Chabazite' | - | |
| ⓘ | 'Lévyne' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Chabazite var. Phacolite' | - | |
| ⓘ | 'Glass' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Akaganeite | (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| C | Carbon | |
| C | ⓘ Cohenite | Fe3C |
| C | ⓘ Graphite | C |
| O | Oxygen | |
| O | ⓘ Akaganeite | (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Corundum | Al2O3 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| O | ⓘ Spinel | MgAl2O4 |
| O | ⓘ Ulvöspinel | TiFe22+O4 |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Spinel | MgAl2O4 |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Al | Aluminium | |
| Al | ⓘ Corundum | Al2O3 |
| Al | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| Al | ⓘ Spinel | MgAl2O4 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Troilite | FeS |
| Cl | Chlorine | |
| Cl | ⓘ Akaganeite | (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
| Cl | ⓘ Lawrencite | (Fe2+,Ni)Cl2 |
| Ca | Calcium | |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Ti | ⓘ Ulvöspinel | TiFe22+O4 |
| Fe | Iron | |
| Fe | ⓘ Akaganeite | (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Cohenite | Fe3C |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Native Iron | Fe |
| Fe | ⓘ Native Iron var. Kamacite | (Fe,Ni) |
| Fe | ⓘ Lawrencite | (Fe2+,Ni)Cl2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Ulvöspinel | TiFe22+O4 |
| Fe | ⓘ Fayalite-Forsterite Series | |
| Ni | Nickel | |
| Ni | ⓘ Akaganeite | (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O |
| Ni | ⓘ Native Iron var. Kamacite | (Fe,Ni) |
| Ni | ⓘ Lawrencite | (Fe2+,Ni)Cl2 |
Localities in this Region
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Rinkinian OrogenShield
- Southwest Greenland basinBasin
North Atlantic Igneous ProvinceLarge Igneous Province
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References
Wöhler, F. (1872) Analyse des Meteoreisens von Ovifak in Grönland. Annalen der Physik und Chemie, 222. 297-302 doi:10.1002/andp.18722220608
Pauly, Hans (1969) White cast iron with cohenite, schreibersite, and sulphides from Tertiary basalts on Disko, Greenland. Bulletin of the Geological Society of Denmark, 19 (1) 8-26
Bird, John M., Goodrich, Cyrena Anne, Weathers, Maura S. (1981) Petrogenesis of Uivfaq Iron, Disko Island, Greenland. Journal of Geophysical Research: Solid Earth, 86 (B12). 11787-11805 doi:10.1029/jb086ib12p11787
Medenbach, Olaf, El Goresy, Ahmed (1982) Ulvöspinel in native iron-bearing assemblages and the origin of these assemblages in basalts from Ovifak, Greenland, and Bühl. Contributions to Mineralogy and Petrology, 80 (4). 358-366 doi:10.1007/bf00378008
Klöck, W., Palme, H., Tobschall, H. J. (1986) Trace elements in natural metallic iron from Disko Island, Greenland. Contributions to Mineralogy and Petrology, 93 (3). 273-282 doi:10.1007/bf00389387
Uivfaq, Disko Island, Qeqertalik, Greenland