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Sa Dena Hes Mine, Watson Lake, Watson Lake mining district, Yukon, Canadai
Regional Level Types
Sa Dena Hes MineMine
Watson LakeLake
Watson Lake mining districtMining District
YukonTerritory
CanadaCountry

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Key
Latitude & Longitude (WGS84):
60° 31' 4'' North , 128° 52' 38'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:


This mine is a lead-zinc mine situated on Mt. Hundere,45 km north of Watson Lake.The mine was a joint venture between Teck Metals Limited (25% ownership), Teck Resources Limited (25% ownership) and Pan Pacific Metal Mining Corp. (50% ownership, a wholly owned subsidiary of Korea Zinc.
Production began in August 1991, but due to low zinc prices, ceased its operations in November 1992. During the 14 months the project was in operation, the mine produced approximately 607,500 tonnes of concentrate containing 374,400 tonnes of payable zinc and 290,200 tonnes lead.
The Sa Dena Hes Mine is currently in a state of Permanent Closure.

I (R.G.) spoke to the mine geologist, William Mann, about the deposit at the 2017 Roundup in Vancouver. He says the deposit was a very high temperature lead-zinc skarn deposit. The "marble line" that marks the edge of this deposit type was several hundred meters away from the igneous contact. The deposit was notably low in iron sulphides so the lead and zinc sulphide concentrates were easy to make.

The Galena is high in bismuth and the Sphalerite/Wurtzite is high in cadmium. William did not differentiate between Wurtzite and Sphalerite at the mine though both were present. The secondary Hemimorphite and Smithsonite occurred in cracks in the rocks at the top of the sulphides. The secondary minerals made for bad ground conditions and so were avoided.

Despite the high cadmium in the zinc sulphides the Hemimorphite and Smithsonite were colourless to light brown. The Galena converted to Cerussite and there were no identified secondary bismuth minerals. William sold his collection of minerals to Rod Tyson after the mine closed but kept one sample of amethyst that occurred in a single pocket in the footwall of the deposit.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Yukon Minfile 105A 012
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Yukon Minfile 105A 012
Anglesite
Formula: PbSO4
Reference: Reiner Mielke (2018)
Calcite
Formula: CaCO3
Reference: Reiner Mielke (2018)
Cerussite
Formula: PbCO3
Reference: personal collection (MHFM)
Chalcopyrite
Formula: CuFeS2
Reference: Yukon Minfile 105A 012
Diopside
Formula: CaMgSi2O6
Reference: Yukon Minfile 105A 012
Fluorite
Formula: CaF2
Reference: Yukon Minfile 105A 012
Galena
Formula: PbS
Reference: Stephen J. Day and Robert J. Bowell (2005) Atypical and typical zinc geochemistry in a carbonate setting, Sae Dena Hes Mine, Yukon Territory, Canada. Geochemistry - Exploration, Environment, Analysis, 5(3):255-266; Yukon Minfile 105A 012
Grossular
Formula: Ca3Al2(SiO4)3
Reference: personal collection (MHFM)
Hematite
Formula: Fe2O3
Reference: Yukon Minfile 105A 012
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Description: The Yukon property file on Sa Dena Hes contains: Within 130m of surface the ores are commonly heavily oxidized to soft incompetent rusty masses of clay, quartz, smithsonite, anglesite and cerussite. Commonly some relict sulphides, especially galena, are retained in the oxidized skarn. Although oxidation is generally a near surface phenomena, some oxides have been encountered at depths of 300m or more. Locally smithsonite has been mobilized from the oxidized skarns and deposited in nearby open fractures. Smithsonite cemented overburden has been noted in places. Hemimorphite is not mentioned for Sa Dena Hes but it is a major phase in the non-sulphide zinc deposits of the British Columbia carbonate Zn deposits. These have been described in detail by the B.C. Geological Survey
Reference: Richard Gunter Collection
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Yukon Minfile 105A 012
Pyrite
Formula: FeS2
Reference: Yukon Minfile 105A 012
Pyrrhotite
Formula: Fe7S8
Reference: Yukon Minfile 105A 012
Quartz
Formula: SiO2
Reference: personal collection (MHFM); Yukon Minfile 105A 012
Quartz var: Amethyst
Formula: SiO2
Reference: personal collection (MHFM)
Smithsonite
Formula: ZnCO3
Reference: Stephen J. Day and Robert J. Bowell (2005) Atypical and typical zinc geochemistry in a carbonate setting, Sae Dena Hes Mine, Yukon Territory, Canada. Geochemistry - Exploration, Environment, Analysis, 5(3):255-266
Sphalerite
Formula: ZnS
Reference: Stephen J. Day and Robert J. Bowell (2005) Atypical and typical zinc geochemistry in a carbonate setting, Sae Dena Hes Mine, Yukon Territory, Canada. Geochemistry - Exploration, Environment, Analysis, 5(3):255-266; Yukon Minfile 105A 012
Wurtzite
Formula: (Zn,Fe)S
Reference: Richard Gunter

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Wurtzite2.CB.45(Zn,Fe)S
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Diopside9.DA.15CaMgSi2O6
Grossular9.AD.25Ca3Al2(SiO4)3
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
Wurtzite2.8.7.1(Zn,Fe)S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Smithsonite14.1.1.6ZnCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
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
Quartz
var: Amethyst
-SiO2

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H HemimorphiteZn4Si2O7(OH)2 · H2O
CCarbon
C CerussitePbCO3
C SmithsoniteZnCO3
C CalciteCaCO3
OOxygen
O GrossularCa3Al2(SiO4)3
O Quartz (var: Amethyst)SiO2
O QuartzSiO2
O CerussitePbCO3
O SmithsoniteZnCO3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O DiopsideCaMgSi2O6
O AndraditeCa3Fe23+(SiO4)3
O MagnetiteFe2+Fe23+O4
O HematiteFe2O3
O HemimorphiteZn4Si2O7(OH)2 · H2O
O AnglesitePbSO4
O CalciteCaCO3
FFluorine
F FluoriteCaF2
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg DiopsideCaMgSi2O6
AlAluminium
Al GrossularCa3Al2(SiO4)3
SiSilicon
Si GrossularCa3Al2(SiO4)3
Si Quartz (var: Amethyst)SiO2
Si QuartzSiO2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si DiopsideCaMgSi2O6
Si AndraditeCa3Fe23+(SiO4)3
Si HemimorphiteZn4Si2O7(OH)2 · H2O
SSulfur
S GalenaPbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S PyrrhotiteFe7S8
S PyriteFeS2
S Wurtzite(Zn,Fe)S
S AnglesitePbSO4
CaCalcium
Ca GrossularCa3Al2(SiO4)3
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca DiopsideCaMgSi2O6
Ca AndraditeCa3Fe23+(SiO4)3
Ca FluoriteCaF2
Ca CalciteCaCO3
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe AndraditeCa3Fe23+(SiO4)3
Fe MagnetiteFe2+Fe23+O4
Fe ChalcopyriteCuFeS2
Fe PyrrhotiteFe7S8
Fe PyriteFeS2
Fe HematiteFe2O3
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
Zn SmithsoniteZnCO3
Zn Wurtzite(Zn,Fe)S
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
PbLead
Pb GalenaPbS
Pb CerussitePbCO3
Pb AnglesitePbSO4

External Links

http://www.emr.gov.yk.ca/mining/sa_dena_hes.html
Yukon Government Property File: Sa Dena Hes.

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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