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Fone, Gjerstad, Aust-Agder, Norway

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Name(s) in local language(s):Fone, Gjerstad kommune, Aust-Agder fylke, Norge
Latitude & Longitude (WGS84): 58° 50' 45'' North , 9° 4' 10'' East
Latitude & Longitude (decimal): 58.84587,9.06963
GeoHash:G#: u4qqy2s61
Köppen climate type:Cfb : Temperate oceanic climate


The NGU has registered a feldspar occurrence in a granite pegmatite at the here presented coordinates. These are not the same as the feldspar quarry where the minerals have been found.

NGU Deposit Area 911 - 304

However, there are so many quarries/mines in this area, that it is impossible to know which is which quarry/mine.

The area is known for the presence of rutile mines. See Fone Rutile Mine.

It can be suspected from the shape of the quarry on the altitude map, that the feldspar quarry might be found at: 58.8428,9.06724

All the quarries in this area require field confirmation.


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

Regions containing this locality

Scandinavia

Region - 2,031 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: Čobić, A., McCammon, C., Tomašić, N. & Bermanec, v. (2015): Preliminary 57 Fe Mössbauer spectroscopy study of metamict allanite-(Ce) from granitic pegmatite, Fone, Aust-Agder, Norway. Abstract PEG 2013: The 6th International Symposium of Granitic Pegmatites, New Hampshire and Maine, USA. 32-33.
Curite
Formula: Pb3(UO2)8O8(OH)6 · 3H2O
Description: One sample of curite labelled "Fone in Gjerstad" are kept in the collections of British Museum (National History).
Reference: Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p 90
'K Feldspar'
Reference: Norges geologiske undersøkelse (NGU). Industrimineraldatabasen. Forekomst nr.304 i Gjerstad (0911) kommune.
Titanite
Formula: CaTi(SiO4)O
Reference: Knut Edvard Larsen collection # MM-5373
Uraninite
Formula: UO2
Reference: Knut Eldjarn photo and specimen

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Curite'4.GB.55Pb3(UO2)8O8(OH)6 · 3H2O
'Uraninite'4.DL.05UO2
Group 9 - Silicates
'Allanite-(Ce)'9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
'Titanite'9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'K Feldspar'-

List of minerals arranged by Dana 8th Edition classification

Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Miscellaneous
Curite5.9.3.1Pb3(UO2)8O8(OH)6 · 3H2O
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)
Allanite-(Ce)58.2.1a.1{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Rocks, etc.
'K Feldspar'-

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
H CuritePb3(UO2)8O8(OH)6 · 3H2O
OOxygen
O Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
O CuritePb3(UO2)8O8(OH)6 · 3H2O
O TitaniteCaTi(SiO4)O
O UraniniteUO2
AlAluminium
Al Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Si TitaniteCaTi(SiO4)O
CaCalcium
Ca Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
CeCerium
Ce Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
PbLead
Pb CuritePb3(UO2)8O8(OH)6 · 3H2O
UUranium
U CuritePb3(UO2)8O8(OH)6 · 3H2O
U UraniniteUO2

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

Proterozoic
541 - 2500 Ma



ID: 3186372
Proterozoic crystalline metamorphic rocks

Age: Proterozoic (541 - 2500 Ma)

Lithology: Granitoid gneiss; orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Mesoproterozoic
1000 - 1600 Ma



ID: 3158480
Proterozoic II granite

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Major:{granite}, Minor{monzonite,meta-granite,meta-monzonite}

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)
Čobić, A., McCammon, C., Tomašić, N. & Bermanec, v. (2015): Preliminary 57Fe Mössbauer spectroscopy study of metamict allanite-(Ce) from granitic pegmatite, Fone, Aust-Agder, Norway. Abstract PEG 2013: The 6th International Symposium of Granitic Pegmatites, New Hampshire and Maine, USA. 32-33.
Norges geologiske undersøkelse (NGU). Industrimineraldatabasen. Forekomst nr.304 i Gjerstad (0911) kommune.


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