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Alve Feldspar Quarry, Tromøy, Arendal, Aust-Agder, Norwayi
Regional Level Types
Alve Feldspar QuarryQuarry
TromøyIsland
ArendalMunicipality
Aust-AgderCounty
NorwayCountry

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Name in Norwegian:Gamle Alve feltspatbrudd, Tromøy, Arendal, Aust-Agder, Norge
Latitude & Longitude (WGS84): 58° 28' 18'' North , 8° 53' 4'' East
Latitude & Longitude (decimal): 58.47186,8.88451
GeoHash:G#: u4qkdhmx2
Locality type:Quarry
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Arendal30,916 (2017)6.6km
Rykene647 (2013)15.9km
Fevik4,989 (2014)16.0km
Tvedestrand1,975 (2016)16.9km
Grimstad9,561 (2017)22.4km


Located at the SE side af the Tromøy Island. The variety of zircon, alvite, was first discovered and described from this locality and given name after the locality.

The coordinates given by the NGU (58.4722170, 8.8820180 seem to be wrong. There is no sign of a quarry in the altitude. However, 200 m and 300 m east of that spot there are two quarries. The coordinates in Mindat are for the largest one: beginning at 58.47186,8.88499 and ending at 58.4726,8.88451.
The other one starts at 58.47181,8.8864.

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

Regions containing this locality

Eurasian PlateTectonic Plate
ScandinaviaRegion

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


3 valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Albite-Anorthite Series'
'Alkali Feldspar'
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Fergusonite'
'Mica Group'
Quartz
Formula: SiO2
Titanite
Formula: CaTi(SiO4)O
Titanite var: Yttrian Titanite
Formula: (Ca,Y)TiSiO5
Zircon
Formula: Zr(SiO4)
Zircon var: Alvite (FRL)
Formula: Zr(SiO4)
Type Locality:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Titanite9.AG.15CaTi(SiO4)O
var: Yttrian Titanite9.AG.15(Ca,Y)TiSiO5
Zircon9.AD.30Zr(SiO4)
var: Alvite (TL)9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Fergusonite'-
'Mica Group'-

List of minerals arranged by Dana 8th Edition classification

Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
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 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Fergusonite'-
'Mica Group'-
Titanite
var: Yttrian Titanite
-(Ca,Y)TiSiO5
Zircon
var: Alvite (FRL)
-Zr(SiO4)

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
OOxygen
O Zircon (var: Alvite)Zr(SiO4)
O QuartzSiO2
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Titanite (var: Yttrian Titanite)(Ca,Y)TiSiO5
O ZirconZr(SiO4)
O TitaniteCaTi(SiO4)O
SiSilicon
Si Zircon (var: Alvite)Zr(SiO4)
Si QuartzSiO2
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si Titanite (var: Yttrian Titanite)(Ca,Y)TiSiO5
Si ZirconZr(SiO4)
Si TitaniteCaTi(SiO4)O
CaCalcium
Ca Titanite (var: Yttrian Titanite)(Ca,Y)TiSiO5
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti Titanite (var: Yttrian Titanite)(Ca,Y)TiSiO5
Ti TitaniteCaTi(SiO4)O
YYttrium
Y Titanite (var: Yttrian Titanite)(Ca,Y)TiSiO5
ZrZirconium
Zr Zircon (var: Alvite)Zr(SiO4)
Zr ZirconZr(SiO4)

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 - Paleoproterozoic
1000 - 2500 Ma



ID: 3142512
Proterozoic I quartzite

Age: Proterozoic (1000 - 2500 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{quartzite}, Minor{mica schist,marble,amphibolite}

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)
Forbes, D. & Dahll, T. (1855): Mineralogiske Iagttagelser omkring Arendal og Kragerö. Nyt Magazin for Naturvidenskaberne, 8, 213-229 + 2 plates
Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b:1-109 [p.77-78]
Geological Survey of Norway (NGU): The Industrial Mineral Database. Deposit Area 906 - 306. Alve (Updated 27. apr. 2007)


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