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J. Dempsey occurrence, Horton Township, Renfrew County, Ontario, Canadai
Regional Level Types
J. Dempsey occurrenceOccurrence
Horton TownshipTownship
Renfrew CountyCounty
OntarioProvince
CanadaCountry

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Key
Latitude & Longitude (WGS84):
45° 26' 48'' North , 76° 36' 43'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Renfrew8,018 (2008)5.9km
Shawville1,608 (2016)19.8km
Arnprior9,607 (2008)20.6km
Fort-Coulonge2,911 (2016)45.8km


Mineralization is hosted within a northeast trending dike of pink granite pegmatite that is at least 25 feet wide and 100 feet long. It is hosted by paragneisses lying north of the Hurd Lake granite mass.

Circa 1950: Surface work including a shallow pit was done by J. S. Dempsey.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: 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. 80.
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: MDI Number: MDI31F07NE00060
Anatase
Formula: TiO2
Reference: 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. 594.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: 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. 80.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: 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. 594.
'Feldspar Group'
Reference: 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. 80.
Hematite
Formula: Fe2O3
Reference: MDI Number: MDI31F07NE00060
'Hornblende'
Reference: 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. 594.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: MDI Number: MDI31F07NE00060
Pyrite
Formula: FeS2
Reference: 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. 80.
Quartz
Formula: SiO2
Reference: 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. 80.
Thorite
Formula: Th(SiO4)
Reference: MDI Number: MDI31F07NE00060
Thorite var: Uranothorite
Formula: (Th,U)SiO4
Reference: MDI Number: MDI31F07NE00060
Titanite
Formula: CaTi(SiO4)O
Reference: 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. 594.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 9 - Silicates
Thorite9.AD.30Th(SiO4)
var: Uranothorite9.AD.30(Th,U)SiO4
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-
'Hornblende'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Anatase4.4.4.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Thorite51.5.2.3Th(SiO4)
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 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-
'Hornblende'-
Thorite
var: Uranothorite
-(Th,U)SiO4

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Thorite (var: Uranothorite)(Th,U)SiO4
O MagnetiteFe2+Fe23+O4
O HematiteFe2O3
O ThoriteTh(SiO4)
O AnataseTiO2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O TitaniteCaTi(SiO4)O
O ApatiteCa5(PO4)3(Cl/F/OH)
O QuartzSiO2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SiSilicon
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si Thorite (var: Uranothorite)(Th,U)SiO4
Si ThoriteTh(SiO4)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si TitaniteCaTi(SiO4)O
Si QuartzSiO2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyriteFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca TitaniteCaTi(SiO4)O
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti AnataseTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe HematiteFe2O3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe PyriteFeS2
ThThorium
Th Thorite (var: Uranothorite)(Th,U)SiO4
Th ThoriteTh(SiO4)
UUranium
U Thorite (var: Uranothorite)(Th,U)SiO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hewitt D.F. (1967) Uranium and Thorium Deposits of Southern Ontario, Ontario Department of Mines, Mineral Deposit Circular 4, p. 65-66.
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. 80-81.
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. 594.

External Links


Other Regions, Features and Areas containing this locality

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