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Randvik Mine, Risør, Aust-Agder, Norway

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Name(s) in local language(s):Ranevik gruve (Ranvik, Ranvig), Risør kommune, Aust-Agder fylke, Norge
Latitude & Longitude (WGS84): 58° 42' 28'' North , 9° 13' 31'' East
Latitude & Longitude (decimal): 58.70789,9.22534
GeoHash:G#: u4qtczmwn
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate


A feldspar quarry and mine worked in a granite pegmatite.

The seems to be no Ranevik/Ranvik/Ranvig existing in Risør, but on the other hand "Randvik" does exist.

At the Randviktangen there are three potential quarries/mines, but they will require field confirmation.

The coordinates are for the feature at the eastern part of the Randviktangen, while the ones in the western part are here:

58.70723°N 9.21963
58.70698°N 9.21971


Coordinates © Kartverket - https://www.kartverket.no


Regions containing this locality

Scandinavia

Region - 2,028 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Schetelig, J. (1922): Gadolinit. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 88-123
Bismuth
Formula: Bi
Reference: Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6
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, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6, p. 16
Fergusonite-(Y)
Formula: YNbO4
Reference: Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p.32]
Gold
Formula: Au
Reference: Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6, p. 16
'Monazite'
Reference: Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6, p. 16
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: Brøgger, W.C. (1906): Die Mineralien der südnorwegischen granitpegmatitgänge. I. Niobate, tantalate, titantate und titanoniobate. Videnskabs-Selskabets Skrifter. Math.-Naturv. Klasse 1906. No. 6, p. 16

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Bismuth'1.CA.05Bi
'Gold'1.AA.05Au
Group 4 - Oxides and Hydroxides
'Euxenite-(Y)'4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
'Samarskite-(Y)'4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Fergusonite-(Y)'7.GA.05YNbO4
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Monazite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Semi-metals and non-metals
Bismuth1.3.1.4Bi
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Fergusonite-(Y)8.1.1.1YNbO4
Samarskite-(Y)8.1.11.1(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
AB2O6
Euxenite-(Y)8.3.8.2(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Monazite'-

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
OOxygen
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O Fergusonite-(Y)YNbO4
O Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
SiSilicon
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
CaCalcium
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
TiTitanium
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
FeIron
Fe Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
YYttrium
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Fergusonite-(Y)YNbO4
Y Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
NbNiobium
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Fergusonite-(Y)YNbO4
Nb Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
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
Ta Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
AuGold
Au GoldAu
BiBismuth
Bi BismuthBi
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
UUranium
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
U Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8

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

Neoproterozoic - Paleoproterozoic
541 - 2500 Ma



ID: 3130411
Proterozoic I gneiss

Age: Proterozoic (541 - 2500 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{gneiss}, Minor{migmatite/anatexite,meta-granite}

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. 1-162 [a short note on p. 16 + p. 32]


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