Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31F04SE00094

Record: MDI31F04SE00094

General

Mineral Record Identification
Record Name(s) Stevens Property - 1917, Stevens Prospect - 1968
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1981-Mar-13
Date Last Modified 2022-Jan-28
Created By
Revised By

Commodities

Primary Commodities: Iron



Location

Township or Area: Mayo, Mayo

Latitude: 45° 4' 56.94"    Longitude: -77° 36' 39.94"

UTM Zone: 18    Easting: 294501.467   Northing: 4995430.299    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31F04SE

Point Location Description: approximate

Location Method: Data Compilation

Access Description: The deposit is located about 0.8 km east of a gravel road that trends south from Highway 500 at the settlement of Hermon, at a point about 2.8 km south of the highway.



Exploration History

pre 1914: Stripping and test pits. 1957: Dunmayo Iron Mines Ltd. - ground geophysics.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
63.948 31F04SE9511 31F04SE9511

Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Skarn 1 Host
Paragneiss 2 Contains
Marble 3 Adjacent

Lithology Comments

Oct 19, 2011 (A Wilson) - The skarn lies within a succession of paragneisses of probable volcanic origin and marbles in the hanging wall of the northeastern lobe of a tonalite intrusion. The Steven's ore body lies along the margin of the skarn zone, in its footwall.




Mineralization

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

Mineralization Comments

Oct 19, 2011 (A Wilson) - A grab sample collected from the site by the GSC in 1913 assayed 30.70% Fe, 23.00% insolubles, 0.015% S and 0.08% P. Mineralization consists of disseminated magnetite in an ore body about 400 feet long and less than 100 feet wide. The magnetite is irregularly distributed throughout the deposit.



Mineral Record Details

Classification
RankClassification            
1 Skarn
Characteristics
Rank Characteristic            
1 Stratabound

References

Part - Geology of Dungannon and Mayo townships

Publication Number: ARV64-08 Scale:     Date: 1998

Author: Hewitt D.F., James W.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Iron deposits of Ontario

Publication Number: MDC011 Scale:     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 Scale:     Date: 1980

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

Publisher Name: Ontario Geological Survey

Location:


Mono - Metallogeny of the Grenville Province, southeastern Ontario

Publication Number: OFR5515 Scale:     Date: 1984

Author: Carter T.R.

Publisher Name: Ontario Geological Survey

Location:


Book - Iron ore occurrences in Canada Vol 2, p. 117

Publication Number: 217 Scale:     Date: 1917

Author: E. Lindeman and L.L. Bolton

Publisher Name: DEMR

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:


Map - Dungannon and Mayo townships, County of Hastings, Ontario

Publication Number: M1955-08 Scale: 1:31,680    Date: 1997

Author: Hewitt D.F., James W.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Precambrian Geology, Bancroft Area

Publication Number: P3385 Scale: 1:50,000    Date: 1998

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

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