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Sigma mine (Sigma No. 1 mine), Val d'Or, La Vallée-de-l'Or RCM, Abitibi-Témiscamingue, Québec, Canada

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Latitude & Longitude (WGS84): 48° 6' 5'' North , 77° 45' 17'' West
Latitude & Longitude (decimal): 48.10139,-77.75472
GeoHash:G#: f289wssdz
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


A gold mine started in 1937. Produced 103.7 tons of Au since opening. Workings are at least to the 1,530 meter level (12th level)(11th. level = 1,395 meters deep).

Coordinates extrapolated from topographic map.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


21 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: Econ Geol (1984) 79:393-399
'Apatite'
Reference: Econ Geol (1984) 79:393-399
Aurostibite
Formula: AuSb2
'Biotite'
Reference: Econ Geol (1992) 87:1849-1861; Econ Geol (1984) 79:393-399
Calaverite
Formula: AuTe2
Reference: Econ.Geol.: 83; 395-404
Calcite
Formula: CaCO3
Reference: Economic Geology May v. 101 no. 3 p. 607-631
Chalcopyrite
Formula: CuFeS2
Reference: Econ.Geol.: 83; 395-404; Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631
'Chlorite Group'
Reference: Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Econ Geol (1984) 79:393-399
Ferro-pargasite
Formula: {Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
Frohbergite
Formula: FeTe2
Reference: Econ.Geol.: 83; 395-404
Galena
Formula: PbS
Reference: Econ.Geol.: 83; 395-404; Economic Geology May v. 101 no. 3 p. 607-631
Gersdorffite
Formula: NiAsS
Gold
Formula: Au
Reference: Econ.Geol.: 83; 395-404; Econ Geol (1994) 89:1542-1551; Econ Geol (1992) 87:1849-1861; Mineralogical Record (2001) 32:246; Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631
'Hornblende'
Reference: Econ Geol (1992) 87:1849-1861
Ilmenite
Formula: Fe2+TiO3
Reference: Econ Geol (1984) 79:393-399
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Economic Geology May v. 101 no. 3 p. 607-631
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Econ Geol (1992) 87:1849-1861
Petzite
Formula: Ag3AuTe2
Reference: Econ.Geol.: 83; 395-404
Pyrite
Formula: FeS2
Reference: Econ.Geol.: 83; 395-404; Econ Geol (1992) 87:1849-1861; Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631
Pyrrhotite
Formula: Fe7S8
Reference: Econ.Geol.: 83; 395-404; Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631
Quartz
Formula: SiO2
Reference: Econ Geol (1994) 89:1542-1551; Economic Geology (1996) 91:1372-1382; Econ Geol (1992) 87:1849-1861; Mineralogical Record (2001) 32:246; Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631
Rutile
Formula: TiO2
Reference: Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631
Scheelite
Formula: Ca(WO4)
Reference: Econ Geol (1994) 89:1542-1551; Economic Geology (1996) 91:1372-1382; Econ Geol (1984) 79:393-399
Sphalerite
Formula: ZnS
Reference: Econ.Geol.: 83; 395-404
Stibnite
Formula: Sb2S3
Titanite
Formula: CaTi(SiO4)O
Reference: Econ Geol (1984) 79:393-399
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Econ Geol (1994) 89:1542-1551; Economic Geology (1996) 91:1372-1382; Econ Geol (1992) 87:1849-1861; Econ Geol (1984) 79:393-399; Economic Geology May v. 101 no. 3 p. 607-631

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
Group 2 - Sulphides and Sulfosalts
'Aurostibite'2.EB.05aAuSb2
'Calaverite'2.EA.10AuTe2
'Chalcopyrite'2.CB.10aCuFeS2
'Frohbergite'2.EB.10aFeTe2
'Galena'2.CD.10PbS
'Gersdorffite'2.EB.25NiAsS
'Petzite'2.BA.75Ag3AuTe2
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Group 4 - Oxides and Hydroxides
'Ilmenite'4.CB.05Fe2+TiO3
'Quartz'4.DA.05SiO2
'Rutile'4.DB.05TiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Scheelite'7.GA.05Ca(WO4)
Group 9 - Silicates
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Ferro-pargasite'9.DE.15{Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Hornblende'-
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Petzite2.4.3.3Ag3AuTe2
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Aurostibite2.12.1.11AuSb2
Calaverite2.12.13.2AuTe2
Frohbergite2.12.2.3FeTe2
Gersdorffite2.12.3.2NiAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
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, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Chlorite Group'-
Ferro-pargasite-{Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2
'Hornblende'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
O IlmeniteFe2+TiO3
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O RutileTiO2
O ScheeliteCa(WO4)
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TitaniteCaTi(SiO4)O
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
NaSodium
Na Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si TitaniteCaTi(SiO4)O
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S GersdorffiteNiAsS
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
S StibniteSb2S3
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Ca ScheeliteCa(WO4)
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe ChalcopyriteCuFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Ferro-pargasite{Na}{Ca2}{Fe42+Al}(Al2Si6O22)(OH)2
Fe FrohbergiteFeTe2
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
NiNickel
Ni GersdorffiteNiAsS
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As GersdorffiteNiAsS
AgSilver
Ag PetziteAg3AuTe2
SbAntimony
Sb AurostibiteAuSb2
Sb StibniteSb2S3
TeTellurium
Te CalaveriteAuTe2
Te FrohbergiteFeTe2
Te PetziteAg3AuTe2
WTungsten
W ScheeliteCa(WO4)
AuGold
Au AurostibiteAuSb2
Au CalaveriteAuTe2
Au GoldAu
Au PetziteAg3AuTe2
PbLead
Pb GalenaPbS

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

Neoarchean
2500 - 2800 Ma



ID: 3191051
Archean volcanic rocks

Age: Neoarchean (2500 - 2800 Ma)

Comments: Superior Province

Lithology: Mafic-ultramafic volcanic rocks; tholeiite

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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)
Sabina, A.P. (2003)Rocks & Minerals for the collector; Kirkland Lake - Rouyne-Noranda - Val d'Or, Ontario & Quebec. GSC Misc. Report 77, 176-177 p.


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