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Thompson Mine, Monteagle Township, Hastings Highlands Municipality, Hastings County, Ontario, Canadai
Regional Level Types
Thompson MineMine
Monteagle TownshipTownship
Hastings Highlands MunicipalityMunicipality
Hastings CountyCounty
OntarioProvince
CanadaCountry

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Latitude & Longitude (WGS84):
45° 10' 29'' North , 77° 46' 54'' West
Latitude & Longitude (decimal):
45.17500,-77.78167
GeoHash:
G#: f208ypc57
GRN:
N31W40
Type:
Mine
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Bancroft3,838 (2008)14.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bancroft Gem and Mineral Club and MuseumBancroft, Ontario14km
Mindat Locality ID:
21257
Long-form identifier:
mindat:1:2:21257:4
GUID (UUID V4):
ffd933fd-3f67-41fe-a7eb-bbed7d5c4e0d


In pegmatite dyke cutting amphibolite, pyroxenite and gneiss.

"The deposit was opened on the farm of R. Thompson in 1925 by Feldspar Mines Corporation. It was operated until 1925 and again in 1927. Production amounted to 2463 t of feldspar.

The main pit is 55 m long and 6-7 m wide with a 9-m face. There are two smalller pits: one pit located 55 m to the south-west is 9 m by 6 m and 3.5 m deep and the other 15 m west of this is 24.5 m by 6 m and 3-3.5 m deep."

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

β“˜ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
β“˜ Calcite
Formula: CaCO3
β“˜ 'Chlorite Group'
β“˜ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜ Hematite
Formula: Fe2O3
β“˜ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ 'Mica Group'
Colour: "light green black"
β“˜ Microcline
Formula: K(AlSi3O8)
β“˜ Microcline var. Amazonite
Formula: K(AlSi3O8)
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ 'Pyroxene Group'
Formula: ADSi2O6
β“˜ Quartz
Formula: SiO2
β“˜ 'Scapolite'
Colour: white to light green
Fluorescence: pink in SW
β“˜ Titanite
Formula: CaTi(SiO4)O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜Muscovite
var. Sericite		9.EC.15KAl2(AlSi3O10)(OH)2
β“˜9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Microcline
var. Amazonite		9.FA.30K(AlSi3O8)
β“˜9.FA.30K(AlSi3O8)
Unclassified
β“˜'Mica Group'-
β“˜'Scapolite'-
β“˜'Hornblende Root Name Group'-β—»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜'Chlorite Group'-
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
β“˜'Pyroxene Group'-ADSi2O6
β“˜'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Oβ“˜ CalciteCaCO3
Oβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oβ“˜ HematiteFe2O3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oβ“˜ Pyroxene GroupADSi2O6
Oβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Alβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Siβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siβ“˜ Pyroxene GroupADSi2O6
Siβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ClChlorine
Clβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
Kβ“˜ Microcline var. AmazoniteK(AlSi3O8)
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feβ“˜ HematiteFe2O3
Feβ“˜ MagnetiteFe2+Fe23+O4

Other Regions, Features and Areas containing this locality

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References

www.geologyontario.mndm.gov.on.ca (n.d.) http://www.geologyontario.mndm.gov.on.ca/mndmfiles/MDI/data/records/MDI31F04NW00007.html
Spence, H. S (1932) Feldspar, Canada Mines Branch Publication 731p.45
Thomson, J. E. (1943) Mineral Occurrences in the North Hastings Area, Ontario Department of Mines, Annual Report ARV52, Pt.3, p.26.
Hewitt, D. F. (1967) Pegmatite Mineral Resources of Ontario. Industrial Mineral Report 21. Ontario Department of Minesp.20
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.122-123, 144-146.
Masson, S.L. and Gordon J.B. (1981) Radioactive Mineral Deposits of the Pembroke-Renfrew Area, Ontario Geological Survey, Mineral Deposit Circular, MDC 23, p.141.
Gordon, J.B., Rybak U.C., and Robertson J. A. (1981) Uranium and Thorium Deposits of Southern Ontario, Ontario Geological Survey, Open File Report 5311, p.294.
Martin, W. (1983) Industrial Minerals of the Algonquin Region, Ontario Geological Survey, Open File Report 5425, p.76.
Sabina, Ann P. (1986) Rocks and minerals for the collector: Bancroft - Parry Sound area and southern Ontario. Miscellaneous report 39. Geological Survey of Canada doi:10.4095/121046
Goad, B.E. (1990) Granitic pegmatites of the Bancroft Area, Southeastern Ontario, Ontario Geological Survey, Open File Report 5717, p.101-102.
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