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Ljósá, Eysturoy Island, Faroe Islands, Denmarki
Regional Level Types
Ljósá- not defined -
Eysturoy IslandIsland
Faroe IslandsGroup of Islands
DenmarkCountry

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Name(s) in local language(s):Ljósá, Eysturoy, Føroyar
Latitude & Longitude (WGS84): 62° 16' North , 7° 3' West
Latitude & Longitude (decimal): 62.26667,-7.05000
GeoHash:G#: gg4fpx63e
Köppen climate type:Cfc : Subpolar oceanic climate
Nearest Settlements:
PlacePopulationDistance
Haldarsvík175 (2017)2.4km
Eiði634 (2018)4.2km
Norðskáli238 (2018)5.5km
Oyrarbakki104 (2012)6.8km
Streymnes189 (2018)8.4km


Road cuts near (900 m north of) Ljósá. In 2011 a new quarrying were done at the locality.

Regions containing this locality

Eurasian PlateTectonic Plate
North Atlantic Igneous ProvinceLarge Igneous Province

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Habit: trapazohedra to 3cm in diameter
Colour: transparent
Reference: Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record, 12, 5-26.; Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona. p.53
'Apophyllite'
Reference: Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record, 12, 5-26.; Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona. p.53
'Chabazite'
Reference: Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record, 12, 5-26.; Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona. p.53
Chalcocite
Formula: Cu2S
Reference: Sussex Mineral and Lapidary Society (SMLS) Journal 234 Nov/Dec 2011
Gyrolite
Formula: NaCa16Si23AlO60(OH)8 · 14H2O
Reference: Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record, 12, 5-26.; Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona. p.53
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: (no reference listed)
Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
Reference: (no reference listed)
Mordenite ?
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: Sussex Mineral and Lapidary Society (SMLS) Journal 234 Nov/Dec 2011
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Reference: Sussex Mineral and Lapidary Society (SMLS) Journal 234 Nov/Dec 2011
'Thomsonite'
Reference: Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record, 12, 5-26.
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Reference: Fabrizio Frattini photo & collection; Volker Betz photo & collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Gyrolite9.EE.30NaCa16Si23AlO60(OH)8 · 14H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Mesolite9.GA.05Na2Ca2Si9Al6O30 · 8H2O
Mordenite ?9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Thomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
Unclassified Minerals, Rocks, etc.
'Apophyllite'-
'Chabazite'-
'Thomsonite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 clays
Saponite71.3.1b.2Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Group 73 - PHYLLOSILICATES Condensed Tetrahedral Sheets
Condensed Tetrahedral Sheets with double and single layers
Gyrolite73.2.2c.1NaCa16Si23AlO60(OH)8 · 14H2O
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Mesolite77.1.5.4Na2Ca2Si9Al6O30 · 8H2O
Mordenite ?77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Unclassified Minerals, Mixtures, etc.
'Apophyllite'-
'Chabazite'-
'Thomsonite'-
Thomsonite-Ca-NaCa2[Al5Si5O20] · 6H2O

List of minerals for each chemical element

HHydrogen
H LaumontiteCaAl2Si4O12 · 4H2O
H MesoliteNa2Ca2Si9Al6O30 · 8H2O
H AnalcimeNa(AlSi2O6) · H2O
H GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
H Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
OOxygen
O LaumontiteCaAl2Si4O12 · 4H2O
O MesoliteNa2Ca2Si9Al6O30 · 8H2O
O AnalcimeNa(AlSi2O6) · H2O
O GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
O Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
NaSodium
Na MesoliteNa2Ca2Si9Al6O30 · 8H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Na Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Na SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
MgMagnesium
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
AlAluminium
Al LaumontiteCaAl2Si4O12 · 4H2O
Al MesoliteNa2Ca2Si9Al6O30 · 8H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Al Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
SiSilicon
Si LaumontiteCaAl2Si4O12 · 4H2O
Si MesoliteNa2Ca2Si9Al6O30 · 8H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Si Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
SSulfur
S ChalcociteCu2S
KPotassium
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
CaCalcium
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca MesoliteNa2Ca2Si9Al6O30 · 8H2O
Ca GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Ca Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
FeIron
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
CuCopper
Cu ChalcociteCu2S

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

Paleogene
23.03 - 66 Ma



ID: 3134023
Palaeogene basalt

Age: Paleogene (23.03 - 66 Ma)

Lithology: Basalt 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]

Eocene - Paleocene
33.9 - 66 Ma



ID: 635946
Igneous: extrusive; Extrusive: mafic

Age: Paleogene (33.9 - 66 Ma)

Description: Arctic-North Atlantic region, Faroe Islands, Shetland Platform

Comments: Continental shelf; Koistinen et al., 2001; Sigmond, 2002; Solli, unpublished compilation, 2007-08; Bergman et al., unpublished revisions, 2007-08

Lithology: Basalt, olivine basalt, tholeiite, alkali basalt, basanite, pillow basalt, flood basalt

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

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)
Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record, 12, 5-26.
Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona. p. 53
Sussex Mineral and Lapidary Society (SMLS) Journal 234 Nov/Dec 2011
Weisenberger, T. B. & Spürgin, S. (2012): Die Färöer - ein geologischer Streifzug. Aufschluss 63, 173-192.


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