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Grillid (Cave S-4), Surtsey Island, Vestmannaeyjar archipelago (Westman islands), Vestmannaeyjar, Southern Region, Icelandi
Regional Level Types
Grillid (Cave S-4)- not defined -
Surtsey IslandIsland
Vestmannaeyjar archipelago (Westman islands)Archipelago
VestmannaeyjarMunicipality
Southern RegionRegion
IcelandCountry

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Latitude & Longitude (WGS84): 63° 17' 59'' North , 20° 34' 59'' West
Latitude & Longitude (decimal): 63.30000,-20.58333
GeoHash:G#: ge325e7tj
Nearest Settlements:
PlacePopulationDistance
Vestmannaeyjar4,219 (2016)22.1km


Lava tube on western portion of island.

Regions containing this locality

Eurasian PlateTectonic Plate
Atlantic OceanOcean

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Anhydrite
Formula: CaSO4
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Aphthitalite
Formula: (K,Na)3Na(SO4)2
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Blödite
Formula: Na2Mg(SO4)2 · 4H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Calcite
Formula: CaCO3
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Carnallite
Formula: KMgCl3 · 6H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
'Chabazite'
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Fluorite
Formula: CaF2
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Galeite
Formula: Na15(SO4)5F4Cl
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Glauberite
Formula: Na2Ca(SO4)2
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Halite
Formula: NaCl
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Hydrokenoralstonite
Formula: Na0.5(Al,Mg)2(F,OH)6•H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Kainite
Formula: KMg(SO4)Cl · 3H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Kieserite
Formula: MgSO4 · H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Löweite
Formula: Na12Mg7(SO4)13 · 15H2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Opal
Formula: SiO2 · nH2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
'Phillipsite'
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Sulphur
Formula: S8
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
'Thénardite'
Formula: Na2SO4
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Tobermorite
Formula: [Ca4Si6O17 · 2H2O]·(Ca·3H2O)
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.
Xonotlite
Formula: Ca6(Si6O17)(OH)2
Reference: Jacobsson et al (1992) Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 3 - Halides
Carnallite3.BA.10KMgCl3 · 6H2O
Fluorite3.AB.25CaF2
Halite3.AA.20NaCl
Hydrokenoralstonite3.CF.05 Na0.5(Al,Mg)2(F,OH)6•H2O
Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Aphthitalite7.AC.35(K,Na)3Na(SO4)2
Blödite7.CC.50Na2Mg(SO4)2 · 4H2O
Galeite7.BD.10Na15(SO4)5F4Cl
Glauberite7.AD.25Na2Ca(SO4)2
Gypsum7.CD.40CaSO4 · 2H2O
Kainite7.DF.10KMg(SO4)Cl · 3H2O
Kieserite7.CB.05MgSO4 · H2O
Löweite7.CC.45Na12Mg7(SO4)13 · 15H2O
'Thénardite'7.AC.25Na2SO4
Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Tobermorite9.DG.10[Ca4Si6O17 · 2H2O]·(Ca·3H2O)
Xonotlite9.DG.35Ca6(Si6O17)(OH)2
Unclassified Minerals, Rocks, etc.
'Chabazite'-
'Phillipsite'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
AX2
Fluorite9.2.1.1CaF2
Group 11 - HALIDE COMPLEXES
AmBX3
Carnallite11.1.2.1KMgCl3 · 6H2O
Aluminofluorides - Isolated Octahedra
Hydrokenoralstonite11.6.12.1 Na0.5(Al,Mg)2(F,OH)6•H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
A2XO4
Aphthitalite28.2.2.1(K,Na)3Na(SO4)2
'Thénardite'28.2.3.1Na2SO4
AXO4
Anhydrite28.3.2.1CaSO4
Miscellaneous
Glauberite28.4.2.1Na2Ca(SO4)2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
A2B(XO4)2·xH2O
Blödite29.3.3.1Na2Mg(SO4)2 · 4H2O
AmBn(XO4)p·xH2O, with (m+n):p < 3:2 and > 1:1
Löweite29.4.3.1Na12Mg7(SO4)13 · 15H2O
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Kieserite29.6.2.1MgSO4 · H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Galeite30.1.8.1Na15(SO4)5F4Cl
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Kainite31.7.1.1KMg(SO4)Cl · 3H2O
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Ca-Na subgroup
Xonotlite66.3.1.1Ca6(Si6O17)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Tobermorite72.3.2.1[Ca4Si6O17 · 2H2O]·(Ca·3H2O)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Unclassified Minerals, Mixtures, etc.
'Chabazite'-
'Phillipsite'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6•H2O
H GypsumCaSO4 · 2H2O
H OpalSiO2 · nH2O
H KainiteKMg(SO4)Cl · 3H2O
H KieseriteMgSO4 · H2O
H BlöditeNa2Mg(SO4)2 · 4H2O
H CarnalliteKMgCl3 · 6H2O
H LöweiteNa12Mg7(SO4)13 · 15H2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H AnalcimeNa(AlSi2O6) · H2O
H Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)
H XonotliteCa6(Si6O17)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O Aphthitalite(K,Na)3Na(SO4)2
O GaleiteNa15(SO4)5F4Cl
O Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6•H2O
O ThénarditeNa2SO4
O GypsumCaSO4 · 2H2O
O OpalSiO2 · nH2O
O CalciteCaCO3
O AnhydriteCaSO4
O GlauberiteNa2Ca(SO4)2
O KainiteKMg(SO4)Cl · 3H2O
O KieseriteMgSO4 · H2O
O BlöditeNa2Mg(SO4)2 · 4H2O
O CarnalliteKMgCl3 · 6H2O
O LöweiteNa12Mg7(SO4)13 · 15H2O
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O AnalcimeNa(AlSi2O6) · H2O
O Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)
O XonotliteCa6(Si6O17)(OH)2
FFluorine
F GaleiteNa15(SO4)5F4Cl
F FluoriteCaF2
F Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6•H2O
NaSodium
Na Aphthitalite(K,Na)3Na(SO4)2
Na GaleiteNa15(SO4)5F4Cl
Na Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6•H2O
Na HaliteNaCl
Na ThénarditeNa2SO4
Na GlauberiteNa2Ca(SO4)2
Na BlöditeNa2Mg(SO4)2 · 4H2O
Na LöweiteNa12Mg7(SO4)13 · 15H2O
Na AnalcimeNa(AlSi2O6) · H2O
MgMagnesium
Mg Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6•H2O
Mg KainiteKMg(SO4)Cl · 3H2O
Mg KieseriteMgSO4 · H2O
Mg BlöditeNa2Mg(SO4)2 · 4H2O
Mg CarnalliteKMgCl3 · 6H2O
Mg LöweiteNa12Mg7(SO4)13 · 15H2O
AlAluminium
Al Hydrokenoralstonite Na0.5(Al,Mg)2(F,OH)6•H2O
Al AnalcimeNa(AlSi2O6) · H2O
SiSilicon
Si OpalSiO2 · nH2O
Si AnalcimeNa(AlSi2O6) · H2O
Si Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)
Si XonotliteCa6(Si6O17)(OH)2
SSulfur
S SulphurS8
S Aphthitalite(K,Na)3Na(SO4)2
S GaleiteNa15(SO4)5F4Cl
S ThénarditeNa2SO4
S GypsumCaSO4 · 2H2O
S AnhydriteCaSO4
S GlauberiteNa2Ca(SO4)2
S KainiteKMg(SO4)Cl · 3H2O
S KieseriteMgSO4 · H2O
S BlöditeNa2Mg(SO4)2 · 4H2O
S LöweiteNa12Mg7(SO4)13 · 15H2O
ClChlorine
Cl GaleiteNa15(SO4)5F4Cl
Cl HaliteNaCl
Cl KainiteKMg(SO4)Cl · 3H2O
Cl CarnalliteKMgCl3 · 6H2O
KPotassium
K Aphthitalite(K,Na)3Na(SO4)2
K KainiteKMg(SO4)Cl · 3H2O
K CarnalliteKMgCl3 · 6H2O
CaCalcium
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
Ca CalciteCaCO3
Ca AnhydriteCaSO4
Ca GlauberiteNa2Ca(SO4)2
Ca Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)
Ca XonotliteCa6(Si6O17)(OH)2

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

Miocene
5.333 - 23.03 Ma



ID: 3162508
North Atlantic Ocean

Age: Miocene (5.333 - 23.03 Ma)

Comments: oceanic crust, younger

Lithology: Tholeiitic basalt

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]

Miocene
5.333 - 23.03 Ma



ID: 647244
Igneous: extrusive; Extrusive: mafic

Age: Miocene (5.333 - 23.03 Ma)

Description: Arctic-North Atlantic region, Iceland, North Atlantic, East Greenland volcanic belt

Comments: Oceanic basin; Sigmond, 2002; Solli, unpublished compilation, 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)
Jacobsson et al. (1992): Encrustations from Lava Caves in Surtsey, Iceland. A Preliminary Report: Surtsey Research Progress Report X: 73-78 Reykjevik, Iceland.


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