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Reydarfjördur drill hole, Reyðarfjörður, Fjarðabyggð, Eastern Region, Icelandi
Regional Level Types
Reydarfjördur drill holeBorehole
ReyðarfjörðurFjord
FjarðabyggðMunicipality
Eastern RegionRegion
IcelandCountry

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Latitude & Longitude (WGS84):
65° 1' 8'' North , 14° 21' 15'' West
Latitude & Longitude (decimal):
Deposit first discovered:
1978
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Reyðarfjörður1,152 (2016)6.5km
Eskifjörður1,014 (2016)17.0km
Fáskrúðsfjörður654 (2017)18.5km
Egilsstaðir2,303 (2016)27.6km
Fellabaer403 (2018)29.7km
Mindat Locality ID:
271426
Long-form identifier:
mindat:1:2:271426:7
GUID (UUID V4):
4a452d89-579a-42b3-91c5-5eda5458f59f
Name(s) in local language(s):
, Reydarfjörđur, Austfirðir (Austurland), Ísland


1918 m deep drill hole, carried out in 1978, in a late Miocene shield basalt/central volcano mixed sequence, consisting of 58 stratigraphically distinct volcaniclastic interbeds.


Coordinates are approximate.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Rock Types Recorded

Note: 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:

'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Description: As phenocryst in basaltic rock.
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Anhydrite
Formula: CaSO4
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8): 6459-6476.
Augite var. Ferrohedenbergite
Formula: (Ca,Mg,Fe)(Fe,Mg)Si2O6
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8): 6459-6476.
'Chlorite Group'
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
'Heulandite Subgroup'
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
'Julgoldite Subgroup'
Formula: Ca2XFe3+2[Si2O6(OH)][SiO4](OH)2A
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
'K Feldspar'
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
'K Feldspar var. Adularia'
Formula: KAlSi3O8
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.; Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8): 6459-6476.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
'Pumpellyite Subgroup'
Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Quartz
Formula: SiO2
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Titanite
Formula: CaTi(SiO4)O
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.
Wairakite
Formula: Ca(Al2Si4O12) · 2H2O
Reference: Viereck, L. G., Griffin, B. J., Schmincke, H. U., & Pritchard, R. G. (1982). Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8), 6459-6476.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
var. Ferrohedenbergite9.DA.15(Ca,Mg,Fe)(Fe,Mg)Si2O6
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Wairakite9.GB.05Ca(Al2Si4O12) · 2H2O
Unclassified Minerals, Rocks, etc.
'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
'Chlorite Group'-
'Heulandite Subgroup'-
'Julgoldite Subgroup'-Ca2XFe3+2[Si2O6(OH)][SiO4](OH)2A
'K Feldspar'-
'var. Adularia'-KAlSi3O8
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Pumpellyite Subgroup'-Ca2XAl2[Si2O6(OH)][SiO4](OH)2A

List of minerals for each chemical element

HHydrogen
H Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
H LaumontiteCaAl2Si4O12 · 4H2O
H Julgoldite SubgroupCa2XFe23+[Si2O6(OH)][SiO4](OH)2A
H WairakiteCa(Al2Si4O12) · 2H2O
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
H PrehniteCa2Al2Si3O10(OH)2
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
O LaumontiteCaAl2Si4O12 · 4H2O
O Julgoldite SubgroupCa2XFe23+[Si2O6(OH)][SiO4](OH)2A
O WairakiteCa(Al2Si4O12) · 2H2O
O AnhydriteCaSO4
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
O PrehniteCa2Al2Si3O10(OH)2
O K Feldspar var. AdulariaKAlSi3O8
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O QuartzSiO2
O TitaniteCaTi(SiO4)O
O Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O Augite var. Ferrohedenbergite(Ca,Mg,Fe)(Fe,Mg)Si2O6
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
NaSodium
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
MgMagnesium
Mg Augite var. Ferrohedenbergite(Ca,Mg,Fe)(Fe,Mg)Si2O6
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Al LaumontiteCaAl2Si4O12 · 4H2O
Al WairakiteCa(Al2Si4O12) · 2H2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al PrehniteCa2Al2Si3O10(OH)2
Al K Feldspar var. AdulariaKAlSi3O8
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Julgoldite SubgroupCa2XFe23+[Si2O6(OH)][SiO4](OH)2A
Si WairakiteCa(Al2Si4O12) · 2H2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si K Feldspar var. AdulariaKAlSi3O8
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Augite var. Ferrohedenbergite(Ca,Mg,Fe)(Fe,Mg)Si2O6
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
SSulfur
S AnhydriteCaSO4
KPotassium
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
K K Feldspar var. AdulariaKAlSi3O8
K Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Julgoldite SubgroupCa2XFe23+[Si2O6(OH)][SiO4](OH)2A
Ca WairakiteCa(Al2Si4O12) · 2H2O
Ca AnhydriteCaSO4
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca TitaniteCaTi(SiO4)O
Ca Augite var. Ferrohedenbergite(Ca,Mg,Fe)(Fe,Mg)Si2O6
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Julgoldite SubgroupCa2XFe23+[Si2O6(OH)][SiO4](OH)2A
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe Augite var. Ferrohedenbergite(Ca,Mg,Fe)(Fe,Mg)Si2O6
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Viereck, L.G., Griffin, B.J., Schmincke, H.U., Pritchard, R.G. (1982) Volcaniclastic rocks of the Reydarfjordur drill hole, eastern Iceland: 2. Alteration. Journal of Geophysical Research: Solid Earth, 87(B8): 6459-6476.
Robinson, Paul T., Hall, J.M., Christensen, N.I., Gibson, I.L., Fridleifsson, I.B., Schmincke, H.U., Schonharting, G. (1982) The Iceland Research Drilling Project: Synthesis of results and implications for the nature of Icelandic and oceanic crust. Journal of Geophysical Research Atmospheres 87(B8), 6657-6667.

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