Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31F05SE00042

Record: MDI31F05SE00042

General

Mineral Record Identification
Record Name(s) O'Grady Lake (North Workings) - 1953, Burgess Mines - 1900
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1990-Oct-26
Date Last Modified 2023-Aug-03
Created By
Revised By

Commodities

Primary Commodities: Corundum



Location

Township or Area: Carlow

Latitude: 45° 17' 13.28"    Longitude: -77° 42' 2.09"

UTM Zone: 18    Easting: 288218.999   Northing: 5018383.996    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31F05SE

Point Location Description: Property marked ' COR ', 0.3 km west of Mud Pond.

Location Method: Data Compilation

Access Description: Located 2 ml north of the Burgess Mine and reached by road and trail around the west side of O'Grady Lake. This cut is 1/4 ml NE of the O'Grady Lake South cut.



Geology

Province: Grenville

Subprovince: Central Gneiss Belt

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Syenite 1 Gneissic Host

Lithology Comments

Jan 18, 2012 (A Wilson) - A shallow open cut exposes interbanded granite gneiss, granite pegmatite, coundum syenite gneiss, biotite syenite gneiss and scapolite-corundum gneiss.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1CorundumEconomicOre
2ScapoliteEconomicOre

Mineralization Comments

Jan 18, 2012 (A Wilson) - Along the 5 foot face of the cut, a 5 foot zone of corundum-beaing gneiss contains about 10% corundum crystals. These crystals average ¼ inch in diameter.



Mineral Record Details

References

Part - Geology of Monteagle and Carlow townships

Publication Number: ARV63-06 Page: 38  Date: 1998

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Monteagle and Carlow townships, County of Hastings, Ontario

Publication Number: M1954-03 Scale: 1:31,680    Date: 1997

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:


MonoMap - Industrial minerals of the Pembroke-Renfrew area, part 2

Publication Number: MDC022 Page: 27  Date: 1981

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

Publisher Name: Ontario Geological Survey

Location:


MonoMap - Industrial minerals of the Algonquin region

Publication Number: OFR5425 Page: 34  Date: 1983

Author: Martin W.

Publisher Name: Ontario Geological Survey

Location:


Map - Precambrian Geology, Barry's Bay Area

Publication Number: P3444 Scale: 1:50,000    Date: 2001

Author: Easton R.M.

Publisher Name: Ontario Geological Survey

Location:


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