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Lauvrak, Froland, Agder, Norwayi
Regional Level Types
LauvrakFarm
FrolandMunicipality
AgderCounty
NorwayCountry

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PhotosMapsSearch
00465540017272305895752.jpg
One of the Lauvrak quarries

Lauvrak, Froland, Agder, Norway
08983520017272305897502.jpg
One of the Lauvrak quarries in 1981

Lauvrak, Froland, Agder, Norway
00465540017272305895752.jpg
One of the Lauvrak quarries

Lauvrak, Froland, Agder, Norway
08983520017272305897502.jpg
One of the Lauvrak quarries in 1981

Lauvrak, Froland, Agder, Norway
00465540017272305895752.jpg
One of the Lauvrak quarries

Lauvrak, Froland, Agder, Norway
08983520017272305897502.jpg
One of the Lauvrak quarries in 1981

Lauvrak, Froland, Agder, Norway
Latitude & Longitude (WGS84):
58° 32' 25'' North , 8° 25' 53'' East
Latitude & Longitude (decimal):
58.54037,8.43166
GeoHash:
G#: u4mvpbgy2
GRN:
N40E04
Type:
Farm
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Rykene647 (2013)18.8km
Arendal30,916 (2017)21.6km
Fevik4,989 (2014)22.9km
Grimstad9,561 (2017)24.1km
Åmli572 (2016)25.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Sørlandets GeologiforeningKristiansand49km
Mindat Locality ID:
222206
Long-form identifier:
mindat:1:2:222206:9
GUID (UUID V4):
0
Other/historical names associated with this locality:
Løvrak
Other Languages:
Norwegian:
Lauvrak, Froland, Agder, Norge


Several feldspar quarries in the area of the Lauvrak Farm.

A K-rich granite pegmatite dike about 200 m x 600m large. It has been quarried for feldspar in about 12 places, all abandoned today. The pegmatite is located about 400-500 m NW of the Lauvrak Farm and South of Bjellåsen .

The largest quarries being the Middle (Midtre) Lauvrak Quarry and the Northen (Nordre) Quarry.

The largest quarry, Midtre Lauvrak, situated near the western border, measured 280x40 m with a depth of 10 m.

Assuming that 40% of the rock that was taken out of K feldspar.

The K feldspar crystals measured on average 0,5-2 m with a maximum length of 4 m.

Apart from the two largest quarries that are listed as separate entries, there are quarries visible at:

58.54446°N 8.42323°Ø
58.54471°N 8.42497°Ø
58.54483°N 8.42538°Ø
58.54523°N 8.4253°Ø
58.54704°N 8.42544°Ø
58.54689°N 8.42665°Ø
58.54689°N 8.42737°Ø
58.54763°N 8.42789°Ø
58.54841°N 8.42876°Ø
58.5494°N 8.42936°Ø

Coordinates are for the farmhouse.

NOTE:
Ihlen (2001) lists a quarry named Blautemyr as a separate locality, while in praxis it is the northernmost of the Lauvrak quarries.

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

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

3 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Alkali Feldspar'
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Euxenite Group'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'K Feldspar'
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Samarskite-(Y)
Formula: YFe3+Nb2O8

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘSamarskite-(Y)4.DB.25YFe3+Nb2O8
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Euxenite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Samarskite-(Y)YFe3+Nb2O8
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Samarskite-(Y)YFe3+Nb2O8
YYttrium
Yⓘ Samarskite-(Y)YFe3+Nb2O8
NbNiobium
Nbⓘ Samarskite-(Y)YFe3+Nb2O8

Localities in this Region

Norway

Other Regions, Features and Areas containing this locality

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate
EuropeContinent
Norway
ScandinaviaRegion

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Norges Geologiske Undersøkelses databaser for Malm, Industrimineraler og Naturstein. [Localities 919-3011 and 919 - 302]
Andersen, Olaf (1931) Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder [Feldspar II. Occurrences in the counties of Buskerud and Telemark, in several counties in Aust-Agder and in Hidra in Vest-Agder], in Feltspat II. Feltspat III. Norges Geologiske Undersøkelse 128b, 1-109 pp.83-84
Wilke, Hans-Jürgen (1976) Mineralfundstellen - Ein Führer zum Selbstsammeln Vol. 4 - Skandinavien. Christian Weise Verlag. 370 pp.
Ihlen P.M., Henderson I., Larsen, R.B., Lynum R. (2003): Potensielle ressurser av kvarts- og feltspatråstoffer på Sørlandet, II: Resultater av undersøkelsene i Frolandsområdet i 2001. NGU Rapport 2002.009, 121 pp.
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