Mineral Deposit Inventory for Ontario

Ministry of Energy, Northern Development and Mines

Permanent Link to this Record: MDI31F05SE00021

Deposit: MDI31F05SE00021


Mineral Deposit Identification
Deposit Name(s) Logan Cuts - 1900, Burgess Mines - 1900
Related Deposit ID MDI31F05SE00004
Related Deposit Type simple
Deposit Status prospect
Date Created 1990-Oct-26
Date Last Modified 2012-Jan-17
Created By Q Unknown
Revised By A Wilson


Primary Commodities: corundum, mineral specimen


Township or Area: Carlow

Latitude: 45° 16' 22.63"    Longitude: -77° 41' 0.39"

UTM Zone: 18    Easting: 289511   Northing: 5016776    UTM Datum: NAD83

Resident Geologist District: Southeastern Ontario

NTS Grid: 31F05SE

Point Location Description: Property marked ' COR ', 1 Km E of O'Grady Lake.

Location Method: data compilation

Source Map: M1954-3

Sources Map Scale: 1:31 680

Access Description: 3 pits on the west side of a hill.

Exploration and Mining History

1902-1917: sporadic production of corundum by Ontario Corundum Company, Ashland Emery and Corundum company and Armstrong Corundum Company. 1961: Cor-O-Tex Industrial Minerals Limited - property acquisition. Presence of corundum also noted on adjoining Lot 19, Con 13.


Province: Grenville

Subprovince: Central Gneiss Belt

Mineral Deposit Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
syenite 1 gneissic contains
gneiss 2 nepheline-corundum-plagioclase host
pegmatite 3 host

Lithology Comments

01/12/2012 (A Wilson) - Pink and buff syenite gneiss enclose a band of leucocratic nepheline-corundum-plagioclase gneiss 5-10 feet in width.


Deposit Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Habit Description
1 corundum economic ore

Mineralization Comments

01/12/2012 (A Wilson) - Bronze corundum crystals up to 6 inches in size have been found here. Barrel shaped brown and green corundum crystals up to 5 inches long have been reported. The corundum crystals are usually oriented with long axes parallel to the foliation. The amount of corundum in the eastern cut is approximately 10%. The amount of corundum in the pegmatite in the southwest cut is estimated at 10-15%.

Mineral Deposit Details

Deposit Classification
Rank Classification            
1 pegmatite


Publication - NMI # 065042, 31F05 COR 3

Date: 1996

Book - Geology of Monteagle and Carlow townships, p. 33-34

Publication Number: ARV63-06    Date: 1954

Author: D.F. Hewitt

Publisher Name: ODM

Map - Precambrian geology - Barry's Bay Area

Publication Number: P3444    Scale: 1:50 000    Date: 1998

Publisher Name: OGS

Book - Industrial minerals of the Pembroke-Renfrew area, part 2, p. 27

Publication Number: MDC022    Date: 1981

Author: C.C. Storey and M.A. Vos

Publisher Name: OGS

Book - Industrial minerals of the Algonquin Region, p. 34, 44

Publication Number: OFR5425    Date: 1983

Author: W. Martin

Publisher Name: OGS

Book - Rocks and Mineral Collecting in Canada : Vol. 2 : Ontario and Quebec p. 86

Publication Number: MR008    Date: 1965

Author: A.P. Sabina

Publisher Name: GSC

Map - Monteagle and Carlow Townships

Publication Number: M1954-3    Scale: 1:31 680    Date: 1953

Publisher Name: ODM

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For detailed information regarding this mineral deposit please contact the Southern Ontario Resident Geologist District Office