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Wilberforce Graphite Mine (Virginia Graphite Mine), Monmouth Township, Haliburton Co., Ontario, Canada

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Latitude & Longitude (WGS84): 45° 2' 16'' North , 78° 13' 5'' West
Latitude & Longitude (decimal): 45.03778,-78.21806
GeoHash:G#: f202hngk5
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate




In crystalline limestone.

The deposit was worked for graphite from 1910 to 1913 by the Virginia Graphite Company. The Tonkin-DuPont Graphite Company is successor to the Virginia Graphite Company, having been organized in July, 1913.

The mine consists of an adit, 30 m long, and four pits, the largest measuring 12 m by 23 m and 30 m deep.

Mindat Article
10. Graphite in the Bancroft area, Ontario, Canada, by Frank Festa

Regions containing this locality

Bancroft area (Bancroft district), Ontario, Canada

Area - 277 mineral species & varietal names listed

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


10 valid minerals.

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Colour: colorless to light yellow and brown
Description: Clinoamphibole subgroup.
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
'Apatite'
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
'Clinopyroxene Subgroup'
Colour: yellow to green
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Diopside
Formula: CaMgSi2O6
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
Goethite
Formula: α-Fe3+O(OH)
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Graphite
Formula: C
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.; Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
'commodity:Graphite'
Reference: From USGS MRDS database
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
'Mica Group'
Colour: amber
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Molybdenite
Formula: MoS2
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
Pyrrhotite
Formula: Fe7S8
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.; Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
'Scapolite'
Reference: Geological Survey of Canada Miscellaneous Report 39.; Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Colour: green
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Titanite
Formula: CaTi(SiO4)O
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.; Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Colour: orange to brown
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Graphite'1.CB.05aC
Group 2 - Sulphides and Sulfosalts
'Molybdenite'2.EA.30MoS2
'Pyrrhotite'2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
'Goethite'4.00.α-Fe3+O(OH)
'Magnetite'4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
'Diopside'9.DA.15CaMgSi2O6
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Phlogopite'9.EC.20KMg3(AlSi3O10)(OH)2
'Titanite'9.AG.15CaTi(SiO4)O
'Tremolite'9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Clinopyroxene Subgroup'-
'Garnet Group'-X3Z2(SiO4)3
'Mica Group'-
'Scapolite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
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 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Clinopyroxene Subgroup'-
'Garnet Group'-X3Z2(SiO4)3
'Mica Group'-
'Scapolite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Goethiteα-Fe3+O(OH)
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C GraphiteC
OOxygen
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O DiopsideCaMgSi2O6
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Garnet GroupX3Z2(SiO4)3
O Goethiteα-Fe3+O(OH)
O MagnetiteFe2+Fe23+O4
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O TitaniteCaTi(SiO4)O
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si DiopsideCaMgSi2O6
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Garnet GroupX3Z2(SiO4)3
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si TitaniteCaTi(SiO4)O
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
SSulfur
S MolybdeniteMoS2
S PyrrhotiteFe7S8
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca DiopsideCaMgSi2O6
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
TiTitanium
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Goethiteα-Fe3+O(OH)
Fe MagnetiteFe2+Fe23+O4
Fe PyrrhotiteFe7S8
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
MoMolybdenum
Mo MolybdeniteMoS2

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

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma



ID: 617210
Grenville Supergroup and Flinton Group

Age: Proterozoic (541 - 1600 Ma)

Stratigraphic Name: Flinton Group

Comments: Grenville Province Central Metasedimentary Belt

Lithology: Marble, calc-silicate rocks, skarn, tectonic breccias

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]

Ectasian
1200 - 1400 Ma



ID: 3185742
Mesoproterozoic sedimentary rocks

Age: Ectasian (1200 - 1400 Ma)

Lithology: Marble

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)
Department of Mines of Ontario, Annual Report (1911-1915) Volumes #20, #21, #22.
Hewitt, D. F. (1965) Graphite in Ontario. Industrial Minerals Report No. 20, Ontario Department of Mines
Sabina, A.P. (1986), Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and Southern Ontario. GSC Misc. Report 39

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