Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31F07SW00109

Record: MDI31F07SW00109

General

Mineral Record Identification
Record Name(s) Blackbird Lake Magnetite - 1952
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1990-Oct-09
Date Last Modified 2022-May-18
Created By
Revised By

Commodities

Primary Commodities: Magnetite



Location

Township or Area: Brougham

Latitude: 45° 17' 49.93"    Longitude: -76° 58' 39.41"

UTM Zone: 18    Easting: 344941.997   Northing: 5017868.998    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31F07SW

Point Location Description: approximate

Location Method: Data Compilation

Access Description: Starting at church in Mt St Patrick village, drive southwest 1.6km to intersection with Flat Road, continue straight ahead 300m to Maloney Mountain road junction, then take it up into hills bearing right at fork with Clark Road. Continue to locked, secured gate at 7.3km total distance from Mt St Patrick. Gate is at rr#1161.



Exploration History

pre-1951: pitting and trenching


Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Paragneiss 1 Hornblende Contains

Lithology Comments

May 03, 2011 (A Wilson) - The occurrence is described as a northwest-trending zone of disseminated to massive magnetite and pyrrhotite up to 8 feet wide and 400 feet long within hornblende or pyroxene-bearing gneisses. The zone grades into rusty paragneiss to the northwest




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1MagnetiteEconomicOre
2PyrrhotiteEconomicOre

Mineral Record Details

Characteristics
Rank Characteristic            
1 Disseminated

References

Book - Renfrew map-area, Renfrew and Lanark counties, Ontario; Geological Survey of Canada, Paper 51-27

Publication Number: Paper 51-27 Page: 49-50  Date: 1951

Author: Quinn, H.A.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/101377


Mono - Iron deposits of Ontario

Publication Number: MDC011 Page: 319  Date: 1968

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


MonoMap - Geology of base metal, precious metal, iron, and molybdenum deposits in the Pembroke-Renfrew area

Publication Number: MDC020 Page: 86-87  Date: 1980

Author: Carter T.R., Colvine A.C., Meyn H.D.

Publisher Name: Ontario Geological Survey

Location:


Thesis - Iron Deposits of Eastern Ontario and Their Origin

Publication Number: PhD Thesis Page: 107  Date: 1954

Author: Rose, E.R.

Publisher Name: Queen's University

Location: Tweed RGP


Map - Geological series, Renfrew area, eastern part, southern Ontario

Publication Number: P1838 Scale: 1:63,360    Date: 1978

Author: Lumbers S.B., Vertolli V.M.

Publisher Name: Ontario Geological Survey

Location:


Map - Geological series, base and precious metals, iron and molybdenum deposits of Pembroke-Renfrew area, southern Ontario

Publication Number: P2211 Scale: 1:126,720    Date: 1979

Author: Carter T.R., Storey C.C.

Publisher Name: Ontario Geological Survey

Location:


Report an Error

We are continuously updating our assessment file / technical report information. If you notice errors in the data, please contact us.


Terms of Use

Please review our Terms of Use agreement for this data product.


Ministry Contact Information

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