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Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canadai
Regional Level Types
Croft MineMine
Cardiff TownshipTownship
Highlands East TownshipTownship
Haliburton CountyCounty
OntarioProvince
CanadaCountry

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PhotosMapsSearch
07136810017272048744343.jpg
adit

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
03981280017272048757151.jpg
mine road start

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
00607350017272048769443.jpg
bad road

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
07136810017272048744343.jpg
adit

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
03981280017272048757151.jpg
mine road start

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
00607350017272048769443.jpg
bad road

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
07136810017272048744343.jpg
adit

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
03981280017272048757151.jpg
mine road start

Croft Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
Latitude & Longitude (WGS84):
45° 1' 59'' North , 78° 1' 48'' West
Latitude & Longitude (decimal):
45.03333,-78.03000
GeoHash:
G#: f2080qh61
GRN:
N31W40
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Bancroft3,838 (2008)13.8km
Haliburton Village1,149 (2019)38.7km
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:
21868
Long-form identifier:
mindat:1:2:21868:4
GUID (UUID V4):
0


In biotite-granite pegmatite cutting gneiss and amphibolite.

"The deposit was explored for uranium mineralization from 1953 to 1955 by Croft Uranium Mines Limited. Development consists of an adit and several trenches."

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Chlorite Group'
ⓘ 'Clinopyroxene Subgroup'
ⓘ Corundum
Formula: Al2O3
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Graphite
Formula: C
ⓘ Molybdenite
Formula: MoS2
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ Native Sulphur
Formula: S8
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ 'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'
Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Thorite
Formula: Th(SiO4)
ⓘ Thorite var. Uranothorite
Formula: (Th,U)SiO4
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Uraninite
Formula: UO2
ⓘ Zircon
Formula: Zr(SiO4)
ⓘ Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘCorundum4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘUraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘvar. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
ⓘThorite
var. Uranothorite		9.AD.30(Th,U)SiO4
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Unclassified
ⓘ'Pyrochlore Supergroup
var. Betafite (of Hogarth 1977)'		-(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n

List of minerals for each chemical element

HHydrogen
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ GraphiteC
OOxygen
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CorundumAl2O3
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ ThoriteTh(SiO4)
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ ZirconZr(SiO4)
Oⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Oⓘ Thorite var. Uranothorite(Th,U)SiO4
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
NaSodium
Naⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ CorundumAl2O3
Alⓘ SillimaniteAl2(SiO4)O
SiSilicon
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ QuartzSiO2
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ ThoriteTh(SiO4)
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ ZirconZr(SiO4)
Siⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Siⓘ Thorite var. Uranothorite(Th,U)SiO4
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Monazite-(Ce)Ce(PO4)
SSulfur
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ Native SulphurS8
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ TitaniteCaTi(SiO4)O
TiTitanium
Tiⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ PyriteFeS2
ZrZirconium
Zrⓘ ZirconZr(SiO4)
Zrⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
NbNiobium
Nbⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
MoMolybdenum
Moⓘ MolybdeniteMoS2
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ceⓘ Monazite-(Ce)Ce(PO4)
TaTantalum
Taⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
ThThorium
Thⓘ ThoriteTh(SiO4)
Thⓘ Thorite var. Uranothorite(Th,U)SiO4
UUranium
Uⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Uⓘ UraniniteUO2
Uⓘ Thorite var. Uranothorite(Th,U)SiO4

Other Regions, Features and Areas containing this locality

Canada
North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

www.geologyontario.mndm.gov.on.ca (n.d.) http://www.geologyontario.mndm.gov.on.ca/mndmfiles/mdi/data/records/MDI31E01SE00224.html
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.82-84.
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
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