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Ula pegmatite, Ula, Tjølling, Larvik, Vestfold, Norwayi
Regional Level Types
Ula pegmatitePegmatite
Ula- not defined -
TjøllingMunicipality (Former)
LarvikMunicipality
VestfoldCounty
NorwayCountry

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Name(s) in local language(s):Ula pegmatitten, Ula, Tjølling, Larvik kommune, Vestfold fylke, Norge
Latitude & Longitude (WGS84): 59° 1' 26'' North , 10° 10' 58'' East
Latitude & Longitude (decimal): 59.02389,10.18278
GeoHash:G#: u4rpz8yz5
Locality type:Pegmatite
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Stavern5,593 (2018)9.0km
Larvik23,113 (2018)9.0km
Sandefjord42,654 (2017)12.1km
Tjøme4,663 (2018)15.4km
Kvelde854 (2018)22.4km


The syenite pegmatite locality at Ula became known in the late 1880s because of its occurrence of beautifully schillerising feldspar. The Ula locality includes two pegmatite dikes, one of which is the classic "moonstone" locality. The main pegmatite dike is about 1 m thick. The main mineral in the syenite pegmatites at Ula is a grey cryptoperthite which occurs in individuals up to 20 cm long and often shows sky-blue to greenish yellow schillerising colours. The main locality was protected by law 16.11.1984 as a Geological heritage site (Naturminne)

Regions containing this locality

Eurasian PlateTectonic Plate
ScandinaviaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals. 1 erroneous literature entry.

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:

Bastnäsite-(Ce)
Formula: Ce(CO3)F
Description: Listed as bastnäsite in Berge (1991)
Reference: Pers.com Knut Edv. Larsen 2008; Berge, S. A. (1991): Ula månesteinsforekomst, Tjølling, Larvik, Vestfold. Unpublished guide. Mai 1991
'Feldspar Group'
Reference: Oftedahl, C. (1948): Studies on the igneous rock complex of the Oslo region. IX. The Feldspars. Skrifter utgitt av Det Norske Videnskaps-. Akademi i Oslo, I. Mat.-Naturv. Klasse 1948, no.3. 71s.
'Feldspar Group var: Cryptoperthite'
Reference: Oftedahl, C. (1948): Studies on the igneous rock complex of the Oslo region. IX. The Feldspars. Skrifter utgitt av Det Norske Videnskaps-. Akademi i Oslo, I. Mat.-Naturv. Klasse 1948, no.3. 71s.
'Feldspar Group var: Perthite'
Reference: Oftedahl, C. (1948): Studies on the igneous rock complex of the Oslo region. IX. The Feldspars. Skrifter utgitt av Det Norske Videnskaps-. Akademi i Oslo, I. Mat.-Naturv. Klasse 1948, no.3. 71s.
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Svein A. Berge observation 1991
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. 663 pp
Microcline
Formula: K(AlSi3O8)
Reference: Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
'Moonstone'
Description: "moonstone" is in this locality the name for schillerising kryptoperthite (microcline/albite)
Reference: Berge, S. A. (1978): Månestein. NAGS-nytt 5 (1),9-10
Orthoclase
Formula: K(AlSi3O8)
Description: The kryptoperthite at Ula was described by Brøgger as a "Murchinsonite", a feldspar with part orthoclase and part plagioclase. It has later been showed that the feldspar in the syenite pegmatites of Larvik Plutonic Complex are not orthoclase as earlier thought but Microcline ( Larsen et al. 2010)
Reference: Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. 663 pp (p.543)
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: Berge, S. A. (1991): Ula månesteinsforekomst, Tjølling, Larvik, Vestfold. Unpublished guide. Mai 1991
Zircon
Formula: Zr(SiO4)
Reference: Berge, S. A. (1991): Ula månesteinsforekomst, Tjølling, Larvik, Vestfold. Unpublished guide. Mai 1991

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Group 5 - Nitrates and Carbonates
Bastnäsite-(Ce)5.BD.20aCe(CO3)F
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Microcline9.FA.30K(AlSi3O8)
Orthoclase ?9.FA.30K(AlSi3O8)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-
'var: Cryptoperthite'-
'var: Perthite'-
'Moonstone'-

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Bastnäsite-(Ce)16a.1.1.1Ce(CO3)F
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Orthoclase ?76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Feldspar Group'-
'var: Cryptoperthite'-
'var: Perthite'-
'Moonstone'-

List of minerals for each chemical element

HHydrogen
H Pyrochlore GroupA2Nb2(O,OH)6Z
CCarbon
C Bastnäsite-(Ce)Ce(CO3)F
OOxygen
O MagnetiteFe2+Fe23+O4
O ZirconZr(SiO4)
O Pyrochlore GroupA2Nb2(O,OH)6Z
O FluorapatiteCa5(PO4)3F
O Bastnäsite-(Ce)Ce(CO3)F
O MicroclineK(AlSi3O8)
O OrthoclaseK(AlSi3O8)
FFluorine
F FluorapatiteCa5(PO4)3F
F Bastnäsite-(Ce)Ce(CO3)F
AlAluminium
Al MicroclineK(AlSi3O8)
Al OrthoclaseK(AlSi3O8)
SiSilicon
Si ZirconZr(SiO4)
Si MicroclineK(AlSi3O8)
Si OrthoclaseK(AlSi3O8)
PPhosphorus
P FluorapatiteCa5(PO4)3F
KPotassium
K MicroclineK(AlSi3O8)
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca FluorapatiteCa5(PO4)3F
FeIron
Fe MagnetiteFe2+Fe23+O4
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
CeCerium
Ce Bastnäsite-(Ce)Ce(CO3)F

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

Permian - Carboniferous
251.902 - 358.9 Ma



ID: 3143423
Carboniferous granite

Age: Phanerozoic (251.902 - 358.9 Ma)

Lithology: Major:{granite group}, Minor{monzonite,syenite,plutonic ultramafic group}

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]

Permian
251.902 - 298.9 Ma



ID: 3191892
Paleozoic intrusive rocks

Age: Phanerozoic (251.902 - 298.9 Ma)

Lithology: Intrusive igneous rocks

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]

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. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. 663 pp [p. 543]
- Oftedahl, C. (1948): Studies on the igneous rock complex of the Oslo region. IX. The Feldspars. Skrifter utgitt av Det Norske Videnskaps-. Akademi i Oslo, I. Mat.-Naturv. Klasse 1948, no.3. 71s. [with a note on the Ula feldspar]
- Berge, S. A. (1991): Ula månesteinsforekomst, Tjølling, Larvik, Vestfold. Unpublished guide. Mai 1991

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