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Nunnanlahti, Juuka, North Karelia, Finlandi
Regional Level Types
Nunnanlahti- not defined -
JuukaMunicipality
North KareliaRegion
FinlandCountry

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Key
Latitude & Longitude (WGS84):
63° 10' 39'' North , 29° 26' 4'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Juuka6,035 (2015)11.1km
Polvijärvi4,937 (2014)36.6km
Nurmes8,804 (2014)43.1km
Name(s) in local language(s):
Nunnanlahti (Nunnalahti)


Nunnanlahti Soapstone Quarry. Some 8 soapstone lenses in area.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Fennoscandian ShieldShield

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


11 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Eberhard Riech collection
Chromite
Formula: Fe2+Cr3+2O4
Reference: Kojonen, Kari K- 1986. The Kärevaara soapstone deposit in Nunnanlahti, Juuka. in: Prospecting in areas of glaciated terrains 1986: quide to field excursion for symposium in eastern Finland September 3-5 1986. Geologian Tutkimuskeskus Opas 17.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Kojonen, Kari K- 1986. The Kärevaara soapstone deposit in Nunnanlahti, Juuka. in: Prospecting in areas of glaciated terrains 1986: quide to field excursion for symposium in eastern Finland September 3-5 1986. Geologian Tutkimuskeskus Opas 17.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Eberhard Riech collection
Magnesite
Formula: MgCO3
Reference: Kojonen, Kari K- 1986. The Kärevaara soapstone deposit in Nunnanlahti, Juuka. in: Prospecting in areas of glaciated terrains 1986: quide to field excursion for symposium in eastern Finland September 3-5 1986. Geologian Tutkimuskeskus Opas 17.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Kojonen, Kari K- 1986. The Kärevaara soapstone deposit in Nunnanlahti, Juuka. in: Prospecting in areas of glaciated terrains 1986: quide to field excursion for symposium in eastern Finland September 3-5 1986. Geologian Tutkimuskeskus Opas 17.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Kojonen, Kari K- 1986. The Kärevaara soapstone deposit in Nunnanlahti, Juuka. in: Prospecting in areas of glaciated terrains 1986: quide to field excursion for symposium in eastern Finland September 3-5 1986. Geologian Tutkimuskeskus Opas 17.
Pyrite
Formula: FeS2
Reference: Eberhard Riech collection; Kojonen, Kari K- 1986. The Kärevaara soapstone deposit in Nunnanlahti, Juuka. in: Prospecting in areas of glaciated terrains 1986: quide to field excursion for symposium in eastern Finland September 3-5 1986. Geologian Tutkimuskeskus Opas 17.
Pyrrhotite
Formula: Fe7S8
Reference: Kojonen, Kari K- 1986. The Kärevaara soapstone deposit in Nunnanlahti, Juuka. in: Prospecting in areas of glaciated terrains 1986: quide to field excursion for symposium in eastern Finland September 3-5 1986. Geologian Tutkimuskeskus Opas 17.
Quartz
Formula: SiO2
Reference: Eberhard Riech collection
Talc
Formula: Mg3Si4O10(OH)2
Reference: Eberhard Riech collection & investigation; Loukola-Ruskeeniemi, K. and Sorjonen-Ward, P. (eds.) ORE DEPOSITS IN EASTERN FINLAND. Geologian tutkimuskeskus, Opas — Geological Survey of Finland, Guide 42
Talc var: Steatite
Formula: Mg3(Si4O10)(OH)2
Reference: Eberhard Riech collection; Loukola-Ruskeeniemi, K. and Sorjonen-Ward, P. (eds.) ORE DEPOSITS IN EASTERN FINLAND. Geologian tutkimuskeskus, Opas — Geological Survey of Finland, Guide 42

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pentlandite2.BB.15(FexNiy)Σ9S8
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Magnesite5.AB.05MgCO3
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Talc9.EC.05Mg3Si4O10(OH)2
var: Steatite9.EC.05Mg3(Si4O10)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
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
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Talc
var: Steatite
-Mg3(Si4O10)(OH)2

List of minerals for each chemical element

HHydrogen
H Talc (var: Steatite)Mg3(Si4O10)(OH)2
H TalcMg3Si4O10(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H ClinochloreMg5Al(AlSi3O10)(OH)8
CCarbon
C MagnesiteMgCO3
OOxygen
O Talc (var: Steatite)Mg3(Si4O10)(OH)2
O TalcMg3Si4O10(OH)2
O QuartzSiO2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O ChromiteFe2+Cr23+O4
O ClinochloreMg5Al(AlSi3O10)(OH)8
O MagnetiteFe2+Fe23+O4
O MagnesiteMgCO3
MgMagnesium
Mg Talc (var: Steatite)Mg3(Si4O10)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg MagnesiteMgCO3
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si Talc (var: Steatite)Mg3(Si4O10)(OH)2
Si TalcMg3Si4O10(OH)2
Si QuartzSiO2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
SSulfur
S PyriteFeS2
S PyrrhotiteFe7S8
S Pentlandite(FexNiy)Σ9S8
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe PyriteFeS2
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe PyrrhotiteFe7S8
Fe Pentlandite(FexNiy)Σ9S8
Fe ChromiteFe2+Cr23+O4
Fe MagnetiteFe2+Fe23+O4
NiNickel
Ni Pentlandite(FexNiy)Σ9S8

References

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Eberhard Riech visit and collecting

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