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York River Corundum occurrence, York River area, Dungannon Township, Hastings Co., Ontario, Canadai
Regional Level Types
York River Corundum occurrenceOccurrence
York River areaArea
Dungannon TownshipTownship
Hastings Co.County
Ontario- not defined -

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Latitude & Longitude (WGS84): 45° 5' 52'' North , 77° 45' 2'' West
Latitude & Longitude (decimal): 45.09794,-77.75081
GeoHash:G#: f208w9zdd
Locality type:Occurrence
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
Bancroft3,838 (2008)9.5km

No description has been added for this locality. Can you add one?

Regions containing this locality

North America PlateTectonic Plate
Bancroft area (Bancroft district), Ontario, CanadaArea

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

6 valid minerals.

Detailed Mineral List:

Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Formula: Al2O3
Colour: blue and brown
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Formula: KAl2(AlSi3O10)(OH)2
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Formula: FeS2
Reference: Sabina A. P. (1986) Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and Southern Ontario, Geological Survey of Canada, miscellaneous Report 39, p.16.
Reference: Geological Survey of Canada Miscellaneous Report 39.
Formula: Na8(Al6Si6O24)Cl2
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.
Formula: Zr(SiO4)
Reference: Ref.: Geological Survey of Canada Miscellaneous Report 39.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
AmBnXp, with (m+n):p = 1:2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Unclassified Minerals, Mixtures, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

H MuscoviteKAl2(AlSi3O10)(OH)2
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O CorundumAl2O3
O Garnet GroupX3Z2(SiO4)3
O ZirconZr(SiO4)
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O MuscoviteKAl2(AlSi3O10)(OH)2
O SodaliteNa8(Al6Si6O24)Cl2
Na SodaliteNa8(Al6Si6O24)Cl2
Al CorundumAl2O3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SodaliteNa8(Al6Si6O24)Cl2
Si Garnet GroupX3Z2(SiO4)3
Si ZirconZr(SiO4)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si SodaliteNa8(Al6Si6O24)Cl2
S GalenaPbS
S PyriteFeS2
Cl SodaliteNa8(Al6Si6O24)Cl2
K MuscoviteKAl2(AlSi3O10)(OH)2
Fe PyriteFeS2
Zr ZirconZr(SiO4)
Pb GalenaPbS

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

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma

ID: 624954
Early felsic plutonic rock

Age: Proterozoic (541 - 1600 Ma)

Comments: Grenville Province Central Metasedimentary Belt

Lithology: Granodiorite, tonalite, monzogranite, syenogranite; derived gneisses and migmatites

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]

1400 - 1600 Ma

ID: 3184637
Mesoproterozoic crystalline metamorphic rocks

Age: Calymmian (1400 - 1600 Ma)

Lithology: Crystalline metamorphic rocks

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, used under Creative Commons Attribution 4.0 License


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.19.
Hewitt, D.F. and James, W. (1955) Geology of Dungannon and Mayo Townships, Ontario Department of Mines, Sixty Fourth Annual report, ARV64, Pt.8, P.44.
Satterly, J. (1977) A Catalogue of The Ontario Localities Represented by The Mineral Collection of The Royal Ontario Museum, Ontario Geological Survey, Miscellaneous Paper 70, p.193, 261, 334, 434, 435.
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.27-29.
Martin, W. (1983) Industrial Minerals of the Algonquin Region, Ontario Geological Survey, Open File Report 5425, p.231.
Sabina, A.P. (1986) Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and Southern Ontario, Geological Survey of Canada, miscellaneous Report 39, p.16.

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