Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41H08SE00005

Record: MDI41H08SE00005

General

Mineral Record Identification
Record Name(s)	McGown Gold Mine - 1894
Related Record Type	Simple
Related Record(s)
Record Status	Prospect
Date Created	1982-Sep-09
Date Last Modified	2022-Apr-12
Created By
Revised By

Commodities

Primary Commodities: Gold, Copper, Silver

Location

Township or Area: Foley

Latitude: 45° 20' 30.83" Longitude: -80° 0' .93"

UTM Zone: 17 Easting: 578324.998 Northing: 5021418.002 UTM Datum: NAD83

Resident Geologist District: Sudbury

NTS Grid: 31E05SW, 41H08SE

Point Location Description: Precise

Location Method: AMIS Site Visit

Access Description: Drive 1.5km north of the junction of highway 518 and highway 69. Mine site is 0.5km to northeast of highway 69 from this point.

Exploration History

1894: T. McGown - 100 foot open cut and adit. 1897: McGown Gold Mining Co. and Parry Sound Copper Mining Co. Ltd. - development and mining. 1951-59: Kalbrook Mining Co. - DD-9-2058 ft. 1959: DD1964-65: R. M. Clarke Mining Co. Ltd. - dewatering, production

Geology

Province: Grenville

Subprovince: Central Gneiss Belt

Geological Age: Mesoproterozoic

Lithology

Lithology Data
Rock Type	Rank	Composition	Texture	Relationship
Orthogneiss	1	Hornblende		Host

Lithology Comments

Mar 01, 2011 (A Wilson) - The country rock is a medium grained hornblende or biotite-hornblende gneiss. The gnesisocity strikes N75°W and dips 70°SW. The gneiss is cut by narrow dikelets of granite pegmatite and aplite.

Mineralization

Mineralization and Alteration
Rank	Mineral Name	Class	Economic Mineral Type	Alteration Mineral Type	Alteration Ranking
1	Epidote	Economic And Alteration	Gangue	Epidotization	1
1	Bornite	Economic	Ore
2	Chalcocite	Economic	Ore
5	Gold	Economic	Ore
4	Titanite	Economic	Gangue

Mineralization Comments

Mar 01, 2011 (A Wilson) - Grab samples collected by R. Keevil and A. Hogg returned Cu values ranging from 560 ppm Cu from gneiss and quartz to 20,000 ppm Cu from coarse grained gneiss. The best gold value returned 5370 ppb Au from banded gneiss. Copper occurs as disseminated chalcocite and bornite in quartz veins as well as disseminations, lenses or masses of chalcopyrite and bornite in altered hornblende. A grab sample collected by J. Satterly returned 0.09 oz/t gold from a group of narrow quartz veins. A grab sample taken by J. Satterly from the rock dump on the shore of McGown Lake returned 0.08 oz/t Au. The gold reportedly occurred as small nuggets and scales in quartz veins. An 1895 report of the Inspector of Mines reported that the vein material was about 5 feet in width and had been traced for 0.75 miles. An 1898 report indicated assays of: $3.68 Au, trace Ag and $36.85 Cu at 24 feet and $14.46 Au, $2.27 Ag and $79.64 Cu at 33 feet. The best assays from the 1955 Kalbrook drilling returned 2.48% Cu over 5 feet in a hole near the original discovery pit.

Mineral Record Details

Characteristics
Rank	Characteristic
1	Disseminated

Production Data
Year	Tonnes	Commodities	Reference	Comment
1899	145		AR 51 pt 2, p. 32	6 carloads of ore (143 tons) yielded $5399 after shipping costs.

References

Part - Mineral occurrences in Parry Sound District

Publication Number: ARV51-02 Page: 31-32 Date: 1998

Author: Satterly J.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Geology and mineral deposits of the Parry Sound-Huntsville area

Publication Number: R052 Page: 31-33 Date: 1967

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:

Mono - Copper, nickel, lead and zinc deposits of Ontario

Publication Number: MDC012 Page: 212 Date: 1969

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:

Mono - The gold potential of the Huntsville-Parry Sound area of Ontario

Publication Number: OFR5521 Page: 38 Date: 1984

Author: Villard D.J., Keevil R., Hogg A.

Publisher Name: Ontario Geological Survey

Location:

Publication - Rocks and minerals for the collector: Bancroft - Parry Sound area and southern Ontario; Geological Survey of Canada, Miscellaneous Report 39

Publication Number: GSC Misc Rep 39 Page: 101 Date: 1986

Author: Sabina, A P

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/121046

Map - Portions of the districts of Parry Sound and Muskoka, Province of Ontario

Publication Number: ARM51A Scale: 1:126,720 Date: 1998

Author: Satterly J.

Publisher Name: Ontario Dept. of Mines

Location:

Map - Parry Sound-Huntsville area, Ontario

Publication Number: M2118 Scale: 1:126,720 Date: 1967

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:

Map - Precambrian Geology, Parry Sound Area

Publication Number: P3550 Scale: 1:50,000 Date: 2004

Author: Culshaw N.G., Corrigan D., Ketchum J.W.F., Wallace P., Wodicka N.

Publisher Name: Ontario Geological Survey

Location:

Part - Gold in Ontario, its associated rocks and minerals

Publication Number: ARV04.002 Page: 98-100 Date: 1998

Author: Coleman A.P.