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National Graphite Mine, Monteagle Township, Hastings County, Ontario, Canadai
Regional Level Types
National Graphite MineMine
Monteagle TownshipTownship
Hastings CountyCounty
OntarioProvince
CanadaCountry

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Key
Latitude & Longitude (WGS84):
45° 12' 51'' North , 77° 52' 27'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Bancroft3,838 (2008)17.5km


In crystalline and silicated limestone; in pegmatite.

"The deposit was worked by several pits over a distance of 500 m. Two companies were involved in mining operations: the Tonkin-Dupont Graphite Company in the eastern section of the orebody from 1912 to 1914, and National Graphite Company in the continuation on the western section from 1915 to 1919. Both companies operated mills for the treatment of the ore; the Tonkin-Dupont mill was at Wilberforce, that of the National Graphite Company at Mumford Station. Operations terminated due to a decrease in demand for graphite following World War 1. There are nine pits: two water-filled pits are on the east side of the road southeast of the farmhouse and the others extend westward over about 245 m. The largest pits are 61 m by 4-12 m and 23 m deep, and 18 m by 9 m and 46 m deep."

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


14 valid minerals.

Detailed Mineral List:

'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Colour: colorless to light green
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Chondrodite
Formula: (Mg,Fe2+)5(SiO4)2(F,OH)2
Colour: yellow to orange
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
'Clinopyroxene Subgroup'
Colour: colorless, light yellow and grey
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Diopside
Formula: CaMgSi2O6
Reference: http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31F04NW00017.html
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31F04NW00017.html
'Feldspar Group'
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Fluorite
Formula: CaF2
Colour: purple
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
'Garnet Group'
Formula: X3Z2(SiO4)3
Colour: orange-red to brownish red
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Graphite
Formula: C
Habit: flakes up to 5 mm
Description: "...in the limestones associated with pyroxenite, gneiss, pegmatite, and amphibolite. Crystalline aggregates and grains of several minerals occur with the graphite." All minerals are associated except Rozenite and Sunstone.
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
'Mica Group'
Colour: amber
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Molybdenite
Formula: MoS2
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31F04NW00017.html
Pyrite
Formula: FeS2
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Pyrrhotite
Formula: Fe7S8
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Rozenite
Formula: FeSO4 · 4H2O
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
'Scapolite'
Habit: columnar
Colour: colourless to grey
Reference: Geological Survey of Canada Miscellaneous Report 39
Scheelite
Formula: Ca(WO4)
Reference: http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31F04NW00017.html
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Colour: dull green
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
'Sunstone'
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Titanite
Formula: CaTi(SiO4)O
Colour: brown
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Colour: black
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Thomson J. E. (1943) Mineral Occurrences in the North Hastings Area, Ontario Department of Mines, Annual Report ARV52, Pt.3, p.35.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Rozenite7.CB.15FeSO4 · 4H2O
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Chondrodite9.AF.45(Mg,Fe2+)5(SiO4)2(F,OH)2
Diopside9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Clinopyroxene Subgroup'-
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
'Mica Group'-
'Scapolite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Sunstone'-
'Tourmaline'-A(D3)G6(Si6O18)(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
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Rozenite29.6.6.1FeSO4 · 4H2O
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] coordination only
Chondrodite52.3.2b.2(Mg,Fe2+)5(SiO4)2(F,OH)2
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, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Clinopyroxene Subgroup'-
'Feldspar Group'-
'Garnet Group'-X3Z2(SiO4)3
'Mica Group'-
'Scapolite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Sunstone'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H RozeniteFeSO4 · 4H2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
CCarbon
C GraphiteC
OOxygen
O TitaniteCaTi(SiO4)O
O Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O ApatiteCa5(PO4)3(Cl/F/OH)
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O Garnet GroupX3Z2(SiO4)3
O MagnetiteFe2+Fe23+O4
O RozeniteFeSO4 · 4H2O
O DiopsideCaMgSi2O6
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O PhlogopiteKMg3(AlSi3O10)(OH)2
O ScheeliteCa(WO4)
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
FFluorine
F Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F FluoriteCaF2
MgMagnesium
Mg Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg DiopsideCaMgSi2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Si TitaniteCaTi(SiO4)O
Si Chondrodite(Mg,Fe2+)5(SiO4)2(F,OH)2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si Garnet GroupX3Z2(SiO4)3
Si DiopsideCaMgSi2O6
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyriteFeS2
S PyrrhotiteFe7S8
S MolybdeniteMoS2
S RozeniteFeSO4 · 4H2O
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca TitaniteCaTi(SiO4)O
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca FluoriteCaF2
Ca DiopsideCaMgSi2O6
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca ScheeliteCa(WO4)
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
TiTitanium
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe RozeniteFeSO4 · 4H2O
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
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
WTungsten
W ScheeliteCa(WO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Thomson, J. E. (1943) Mineral Occurrences in the North Hastings Area, Ontario Department of Mines, Annual Report ARV52, Pt.3, p.35-36.
Hewitt, D.F. (1954) Geology of Monteagle and Carlow Townships, Ontario Department of Mines, Sixty-Third Annual Report, ARV63, Pt.6, P.53-54.
Hewitt, D.F. (1965) Graphite in Ontario, Ontario Department of Mines, Industrial Mineral Report 20, p.26, 27-30.
Storey, C.C. and Vos M.A. (1981) Industrial minerals of the Pembroke-Renfrew area, Ontario Geological Survey, Mineral Deposit Circular 22, pt.2, p.47-51.
Martin, W. (1983) Industrial Minerals of the Algonquin Region, Ontario Geological Survey, Open File Report 5425, p.147, 195, 255.
Sabina, A.P. (1986), Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and Southern Ontario. GSC Misc. Report 39, p.37

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