Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41I07SE00003

Record: MDI41I07SE00003

General

Mineral Record Identification
Record Name(s) Mount Pleasant Mine - 1927, S. Charrette - 1927
Related Record Type Simple
Related Record(s)
Record Status Developed Prospect Without Reported Reserves or Resources
Date Created 1980-Mar-11
Date Last Modified 2022-Apr-19
Created By
Revised By

Commodities

Primary Commodities: Feldspar (Nonmetals)



Location

Township or Area: Burwash

Latitude: 46° 18' 33.48"    Longitude: -80° 41' 52.75"

UTM Zone: 17    Easting: 523254.999   Northing: 5128457.995    UTM Datum: NAD83

Resident Geologist District: Sudbury

NTS Grid: 41I07SE

Point Location Description: precise

Location Method: Field Visit with GPS

Access Description: From highway 69S at Estaire, turn onto Nepewassi Lake Road and proceed for approximately 7 km to Hendrie Tp Road. Follow for 1 km to access road with 293 A-C sign. Follow access road for approximately 2 km to site.



Exploration History

1927-32: S. Charette - intermittent quarrying of feldspar, 555 tons reportedly removed between 1929 and 1947. As late as 1949 the property was worked with the development of the westerly pit and enlargements of the easterly and northern pit. The ore was taken to the CPR siding at Burwash for shipment.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Pegmatite 1 Host
Gneiss-Unsubdivided 2 Contains

Lithology Comments

Feb 04, 2009 (A Wilson) - The dike is described a having irregular width and strikes N60°E and dips 65°SE. The gneiss is described as slightly migmatized bands of quartzo-feldspathic and biotite gneiss. The dike is exposed for 300 feet in length and is approximately 125 feet wide.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1FeldsparEconomicOre
4ApatiteEconomicOre
2QuartzEconomicGangue
3BiotiteEconomicGangue

Mineralization Comments

Feb 04, 2009 (A Wilson) - The pegmatite is described as consisting of mixed feldspar and quartz with a graphitic texture. Biotite occurs in large thin plates some up to 6 feet across. Scattered crystals of apatite also have been observed within the dike. The remnant tailings from this property are cleaved crystals of feldspar up to 4 inches in size.



Mineral Record Details

References

Map - Geological series, Burwash area (west half), districts of Sudbury and Parry Sound

Publication Number: P0680 Scale: 1:63,360    Date: 1997

Author: Lumbers S.B.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:


MonoMap - Geology of the Burwash area, districts of Nipissisng, Parry Sound, and Sudbury

Publication Number: R116 Page: 137  Date: 1975

Author: Lumbers S.B.

Publisher Name: Ontario Division of Mines

Location:


Folio - Burwash Township, District of Sudbury

Publication Number: GDIF260 Date: 1997

Author: Sudbury RGO

Publisher Name: Ontario Geological Survey

Location:


Mono - Pegmatite mineral resources of Ontario

Publication Number: IMR021 Page: 22  Date: 1997

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:


Publication - Feldspar, Canada Mines Branch Publication 731

Publication Number: CMB Pub 731 Page: 57-59  Date: 1932

Author: Spence, H. S.

Publisher Name: Canada Mines Branch

Location: https://doi.org/10.4095/307887


Mono - Feldspar in Ontario

Publication Number: IMR003 Page: 12  Date: 1998

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Industrial minerals of the Sudbury area

Publication Number: OFR5329 Page: 103-104  Date: 1981

Author: Vos M.A., Smith B.A., Stevenato R.J.

Publisher Name: Ontario Geological Survey

Location:


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