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Ontario Gem Mine, McTavish Township, Thunder Bay District, Ontario, Canadai
Regional Level Types
Ontario Gem MineMine
McTavish TownshipTownship
Thunder Bay DistrictDistrict
Ontario- not defined -
CanadaCountry

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Latitude & Longitude (WGS84): 48° 41' 41'' North , 88° 35' 1'' West
Latitude & Longitude (decimal): 48.69472,-88.58361
GeoHash:G#: f09j00x7k
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


An amethyst mine located about 5 miles (8 km) NE of Pearl. Workings feature a cut at least 150 feet long.

Regions containing this locality

North America Plate

Plate - 4,949 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Ontario Gem Company
Baryte
Formula: BaSO4
Reference: Ontario Gem Company
Calcite
Formula: CaCO3
Reference: Ontario Gem Company
'Chlorite Group'
Reference: Ontario Gem Company
Copper
Formula: Cu
Reference: Ontario Gem Company
'Feldspar Group'
Reference: Ontario Gem Company
Fluorite
Formula: CaF2
Reference: Ontario Gem Company
Galena
Formula: PbS
Reference: Ontario Gem Company
Goethite
Formula: α-Fe3+O(OH)
Reference: Ontario Gem Company
Hematite
Formula: Fe2O3
Reference: Ontario Gem Company
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Ontario Gem Company
Quartz
Formula: SiO2
Colour: Red, White, Black, Smoky
Reference: Ontario Gem Company
Quartz var: Agate
Reference: Ontario Gem Company
Quartz var: Amethyst
Formula: SiO2
Reference: Rocks & Min.: 59:266.
Quartz var: Ametrine
Formula: SiO2
Reference: Ontario Gem Company
Quartz var: Chalcedony
Formula: SiO2
Reference: Ontario Gem Company
Quartz var: Citrine
Formula: SiO2
Reference: Ontario Gem Company
Quartz var: Smoky Quartz
Formula: SiO2
Reference: JR Montgomery Collection
Silver
Formula: Ag
Reference: Ontario Gem Company
Sphalerite
Formula: ZnS
Reference: Ontario Gem Company
Sulphur
Formula: S8
Reference: Ontario Gem Company

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Silver1.AA.05Ag
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Ametrine4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Citrine4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
Chlorite Group-
Feldspar Group-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Silver1.1.1.2Ag
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Feldspar Group'-
Quartz
var: Agate
-SiO2
var: Amethyst-SiO2
var: Ametrine-SiO2
var: Chalcedony-SiO2
var: Citrine-SiO2
var: Smoky Quartz-SiO2

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H MalachiteCu2(CO3)(OH)2
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O Quartz (var: Amethyst)SiO2
O Quartz (var: Ametrine)SiO2
O AnglesitePbSO4
O BaryteBaSO4
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
O Quartz (var: Citrine)SiO2
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
O Quartz (var: Smoky Quartz)SiO2
FFluorine
F FluoriteCaF2
SiSilicon
Si Quartz (var: Amethyst)SiO2
Si Quartz (var: Ametrine)SiO2
Si Quartz (var: Chalcedony)SiO2
Si Quartz (var: Citrine)SiO2
Si QuartzSiO2
Si Quartz (var: Smoky Quartz)SiO2
SSulfur
S AnglesitePbSO4
S BaryteBaSO4
S GalenaPbS
S SphaleriteZnS
S SulphurS8
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
CuCopper
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag SilverAg
BaBarium
Ba BaryteBaSO4
PbLead
Pb AnglesitePbSO4
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

Mesoproterozoic
1000 - 1600 Ma



ID: 612493
Sibley Gp. (circa 1.34 Ga)

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Sibley Group

Comments: Southern and Superior Province

Lithology: Conglomerate, sandstone, shale

Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. [1]

Calymmian
1400 - 1600 Ma



ID: 3184654
Mesoproterozoic sedimentary rocks

Age: Calymmian (1400 - 1600 Ma)

Stratigraphic Name: Sibley Group

Lithology: Redbeds,conglomerate,quartz arenite,shale,sandstone; stromatolites,crossbedding-planar

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)
Ann P.Sabina (1991), Rocks and Minerals for the Collector, Sudbury to Winnipeg. GSC Misc. Report 49. p.115


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