Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41O15SW00007

Record: MDI41O15SW00007

General

Commodities

Primary Commodities: Gold, Copper

Location

Township or Area: Greenlaw

Latitude: 47° 45' 16.38"    Longitude: -82° 49' 47.88"

UTM Zone: 17    Easting: 362848.544   Northing: 5290641.553    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 41O15SW

Point Location Description: Shaft located on the west shore of Lee Lake.

Location Method: Field Visit with GPS

Access Description: Road access may be accomplished by taking Highway 677 off of Highway 129 south of Chapleau as far as Kormak station. A road leads north from Kormak about 20 km where it will take you to a point where the Sylvanite Creek crosses the road in northwest Greenlaw Twp. A canoe trek up the Sylvanite Creek into lower Lee Lake will give access to the occurrence.

Exploration History

1932-34: Lee Gold Mines Ltd. - 7 trenches, 11 ddh, 250-foot shaft with 1540 feet lateral development. 1972: Cana Exploration Consultants/Broadscope Development Ltd. - ground mag and Em survey, 4 ddh. 1977-78: Granges Exploration - 4 ddh (553 m). 1983- 84: Collingwood Energy Inc. - groung magnetometer and VLF surveys, mapping and sampling, airborne mag, EM and VLF survey, 14 ddh (1700 m). 1989: Tremblay - ground magnetometer survey. 1989: Terraquest - airborne mag and VLF-EM survey, sampling. 1996: Panterra Minerals Inc. - Linecutting, prospecting, Beep Mat survey. 1998: Panterra Minerals Inc. - Magnetometer survey. 2011: Anderson, S. – Assays, Pr.

Assessment Work on File

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Swayze

Tectonic Assemblage: Halcrow-Swayze

Geological Age: Neoarchean   Geochronological Age: 2700 MA   Geochron. Age Ref.: GOO VOL 1

Metamorphism Type: Regional

Metamorphism Grade: Greenschist

Geology Comments

Dec 07, 2005 (K Houle) - Contact between quartz porphyry and diorite occurs at a strike of S60E. Mineralization is said to be confined to the highly schistose rock dipping 80N. The ore shoot has been displaced by faulting below the 250' level.

Lithology

Lithology Comments

Dec 07, 2005 (K Houle) - General geology consists of east-trending and steeply dipping mafic metavolcanics that contain small dioritic intrusions cross cut by later quartz porphyry dykes. The main showing occurs along the contact of a quartz porphyry dike and a diorite intrusive. The host rock along the contact has been replaced by quartz and carbonate mineralized with pyrite and streaks of chalcopyrite.

Mineralization

Mineralization Comments

Dec 07, 2005 (K Houle) - Mineralization consists primarily of pyrite and streaks of chalcopyrite hosted by a highly schistose contact zone between quartz porphyry and diorite. Grab samples of this material have been reported to be as high as 0.10 oz./t Au. A shallow diamond drill program by Lee Gold Mines is said to have returned values as high as 0.25 to 0.64 oz./t Au. More recent work by Collingwood Energy Inc. (1983) indicate assay results in the range of 244 ppb to 3134 ppb Au from surface samples excluding samples taken from the mine dump. A grab sample taken from the mine dump is reported to have assayed 0.157 oz./t Au. A grab sample from a trench located about 750 m to the south east of the trench is reported to have yielded 9.4% Cu and 248 ppb Au.

Dec 07, 2005 (D Draper) - Grab samples of a surface muck pile next to the shaft taken by Panterra returned up to 2.60 g/t Au (AF T-3859).

Dec 07, 2005 (A Wilson) - Grab samples collected by the OGS in 1970 returned values of 1.4 g/t Au, 0.47% Cu. Grab samples taken by the OGS in 1994 returned values of 0.01 g/t Au, 0.1 g/t Ag, 0.0032% Ni, 0.00% Cu; 0.05 g/t Au, 0.1 g/t Ag, 0.0016% Ni, 0.0012% Cu, 0.0011% Pb; 0.07 g/t Au, 0.9 g/t Ag, 0.0091% Ni, 0.317% Cu, 0.0014% Pb, 0.0077% Zn.

Aug 12, 2013 (P Bousquet) - A recent grab sampling campaign performed in trenches returned an assay of 1.983 g/t gold (T-6425).

Assay Samples

Mineral Record Details

Mineral Zones - Size and Shape

Site Visit Information

Date: Jun 16, 1994

Geologist: K Houle

Notes: The Lee shaft, mine dump, and trenches were examined over a period of several hours. Random grab samples in the area of the shaft were examined. A number of samples were found to contain various amounts of white quartz in contact with sheared quartz tuff / sediments or reworked quartz porphyry. Weathered surfaces in this area were predominantly green to grey-green with reddish brown patches. A trench located at 20 m southeast of the shaft was examined at several locations of rock exposure. Outcropping of light brown/beige/pink felsic intrusive was found in the southwest corner of this trench. Rock at this location is weakly to moderately foliated with a strike of approx. 244 deg and dipping sub-vertically. On the opposite side of the trench at a point about 1 m south a shear was located containing sulphides and traces of fuchsite on the sheared surfaces. The area around the shaft was found to have been extensively trenched but very little outcrop was seen in the majority of the trenches. Even in trenches with depths greater than 2m, only till and overburden were observed. Overall where outcrop was present the rocks appear moderately to well foliated with very little to no sulphides observed.

References

Map - Tooms and Greenlaw townships, Sudbury District

Publication Number: M2121 Scale: 1:31,680    Date: 1997

Author: Donovan J.F.

Publisher Name: Ontario Dept. of Mines

Location:

Book - FINANCIAL POST 1954, SURV OF MINES, P352

Publication Number: N/A Date: 1996

Author:

Publisher Name:

Location:

Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario

Publication Number: GSC OF 1087 Page: 41O-119  Date: 1985

Author: Rose, D. G.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/129999

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

Publication Number: MDC012 Page: 276  Date: 1969

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Geology of the Chapleau area, districts of Algoma, Sudbury, and Cochrane

Publication Number: R157 Page: 203  Date: 1977

Author: Thurston P.C., Siragusa G.M., Sage R.P.

Publisher Name: Ontario Division of Mines

Location:

Mono - Gold deposits of Ontario, part 2, part of District of Cochrane, districts of Muskoka, Nipissing, Parry Sound, Sudbury, Timiskaming, and counties of southern Ontario

Publication Number: MDC018 Page: 63  Date: 1979

Author: Gordon J.B., Lovell H.L., de Grijs J.W., Davie R.F.

Publisher Name: Ontario Geological Survey

Location:

File - Resident Geologist files 1980, air photos

Publication Number: Date: 1996

Author:

Publisher Name:

Location:

Map - Geology, Swayze greenstone belt, Rollo Lake, Ontario

Publication Number: OF 3384b Scale: 1:50,000    Date: 1999

Author: Heather, K B; Shore, G T

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/210450

Part - Geology of the Swayze gold area

Publication Number: ARV43-03.001 Page: 33-34  Date: 1998

Author: Rickaby H.C.

Publisher Name: Ontario Dept. of Mines

Location:

Part - Horwood Lake area

Publication Number: ARV44-07.002 Page: 39  Date: 1997

Author: Laird H.C.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Geology of Halcrow-Ridout lakes area, District of Sudbury

Publication Number: R063 Page: 42  Date: 1968

Author: Donovan J.F.

Publisher Name: Ontario Dept. of Mines

Location:

Mono - Copper, nickel, lead and zinc deposits in Ontario (revised to February, 1957)

Publication Number: MDC002 Date: 1957

Author: Thomson J.E., Ferguson S.A., Johnston W.G.Q., Pye E.G., Savage W.S., Thomson R.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Mineral Prospects of the Swayze Greenstone Belt (Volume 1, Parts of NTS 41 O and Volume 2, Parts of NTS 41 P, 42 A and 42 B)

Publication Number: OFR5912 Page: 136-138  Date: 1995

Author: Fumerton S.L., Houle K.A.

Publisher Name: Ontario Geological Survey

Location:

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