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Randa, Hjelmeland, Rogaland, Norwayi
Regional Level Types
RandaGroup of Quarries
HjelmelandMunicipality
RogalandCounty
NorwayCountry

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Key
Latitude & Longitude (WGS84):
59° 12' 36'' North , 6° 0' 17'' East
Latitude & Longitude (decimal):
Locality type:
Group of Quarries
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Judaberg560 (2014)8.4km
Tau2,548 (2013)16.8km
Østhusvik293 (2013)18.5km
Jørpeland5,537 (2010)20.9km
Vikevåg529 (2014)21.5km
Other Languages:
Norwegian:
Randa, Hjelmeland, Rogaland, Norge


Periodically active slate quarries. There is a total of 5 quarries on the Randa farm.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Geological Survey of Norway. The Industrial Stone Database. Deposit Area 1133 - 606. Randa
'Feldspar Group'
Reference: Geological Survey of Norway. The Industrial Stone Database. Deposit Area 1133 - 606. Randa
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Geological Survey of Norway. The Industrial Stone Database. Deposit Area 1133 - 606. Randa
Quartz
Formula: SiO2
Reference: Geological Survey of Norway. The Industrial Stone Database. Deposit Area 1133 - 606. Randa

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-

List of minerals arranged by Dana 8th Edition classification

Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Feldspar Group'-

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O QuartzSiO2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Geological Survey of Norway. The Industrial Stone Database. Deposit Area 1133 - 606. Randa (Last updated 12.mar.2008)

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