Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42E13SW00039

Record: MDI42E13SW00039

General

Commodities

Primary Commodities: Copper, Gold, Silver

Location

Township or Area: Pifher

Latitude: 49° 45' 26.13"    Longitude: -87° 53' 36.18"

UTM Zone: 16    Easting: 435652.519   Northing: 5512024.913    UTM Datum: NAD83

Resident Geologist District: Thunder Bay North

NTS Grid: 42E12NW

Point Location Description: Trenches.

Location Method: Conversion from MDI

Access Description: The Peddle Lake Occurrence is located in the southwestern corner of Pifher Township. Travel north from Highway 11 along secondary Highway 801 (Paint Lake Road) to the Namewaminikan (Sturgeon) River crossing. From this point, continue north for 1 km and turn left onto a good gravel road (second road west, north of the river--called 72 or River Road). The road winds westerly for 10.5 km and turns south (main road) at the Hilda Holm (Musca Lake) intersection. The occurrence is located at the intersection.

Exploration History

1944: Claim TB35562 was staked by Ireene St. Aubin, who recorded 80 days work. 1949: The claim was cancelled and restaked by Don McLeod as TB39261. 1952: The claim was cancelled. 1954-59: Various claims staked. 1960-71: Between 1960 and June 1971, a total of 203 days of work was credited to claim TB97772, mainly diamond drilling, surface stripping and trenching. A lease was not applied for and the claim was cancelled. 1972-76: John Petrick restaked the ground. From 1972 to May 1975, 62 days of work was performed, including diamond drilling and manual and mechanical stripping. In addition, Lynx Canada Explorations conducted an IP survey on the eastern half of the property. They outlined two parallel northwest-trending anomalies, the southern of which conforms with present Peddle Lake Occurrence. 1983-84: The property was staked by D. Thorsteinson in August. It was cancelled in September 1984. 1985: John Koski restaked the area. 100 days of work was credited for power stripping carried out to year's end. Channel sampling and stripping continued into 1986. The claim was optioned to D. Sweany (Sweany Gold Corporation).

Geology

Province: Superior

Geological Age: Archean  

Geology Comments

Dec 07, 2005 (B Nelson) - The geological setting in the vicinity of the property is dominated by intermediate to felsic metavolcanics--a portion of the Onaman-Tashota Metavolcanic Belt. Many of the gold occurrences are stock-related and/or hosted in metavolcanic rocks in the area. Intrusions are typically granite-granodiorite stocks (e.g. Kaby Lake, Elmhirst Lake, Coyle Lake Stocks). Late Precambrian diabase dykes and sills intrude all rock types. Locally, the claim group is underlain by feldspar and quartz-feldspar porphyry, medium to coarse felsic volcanic breccia and diorite. The Paint Lake Fault lies approximately 4 km to the south. Regional foliation of the metavolcanics is easterly. The South Zone, located at H. Holm (Musca Lake) Road intersection with the River or 72 Road, is associated with a 2.4 m wide shear zone hosted in an altered feldspar (quartz) porphyry and feldspar porphyry breccia. A minor chlorite component occurs in some portions of the porphyry. The South Zone strikes 112 degrees and dips 78 degrees N. The North Zone is poorly exposed and is mainly float material. Mineralization has been detected 'up ice' in a silicified feldspar (quartz) porphyry hosting sulphide mineralization similar to the South Zone.

Lithology

Lithology Comments

Dec 07, 2005 (B Nelson) - The porphyry contains subhedral phenocrysts of feldspar, typically crowded. Stretched lapilli sized feldspar porphyry fragmental occur and therefore the fragmental can be classified as an autobreccia.

Mineralization

Mineralization Comments

Dec 07, 2005 (B Nelson) - One to 30% chalcopyrite, as well as minor amounts of pyrite, pyrrhotite, bornite and native copper are present in the South Zone. Sample TCX-2 (South Zone, 1985) assayed 3.04 oz/ton Au and 4700 ppm Cu. Sample TCX-1 (North Zone, 1985) assayed 11.58 oz/ton Au and 2.24% Cu. Other South Zone results include: 2.64 oz/ton Au, 5.34 oz/ton Ag and 3.88% Cu from a well-mineralized feldspar porphyry containing 5-10% cp. 0.44 oz/ton Au and 3.84% Cu from a grey, silicified metavolcanic with patches of massive cp. 0.12 oz/ton Au and 2.58% Cu from a grey feldspar with quilts and patches of 5% cp and bn.

Mineral Record Details

Site Visit Information

Date: Jan 15, 1997

Geologist: B Nelson

Notes: The Beardmore-Geraldton Economic Geologist visited the occurrence September 25, 1985 and October 2, 1985.

References

Map - Sturgeon River gold area, District of Thunder Bay, Ontario

Publication Number: ARM45A Scale: 1:63,360    Date: 1998

Author: Bruce E.L., Laird H.C.

Publisher Name: Ontario Dept. of Mines

Location:

Map - Tashota-Geraldton sheet, geological compilation series, Thunder Bay and Cochrane districts

Publication Number: M2102 Date: 1997

Author: Pye E.G., Harris F.R., Fenwick K.G., Baillie J.

Publisher Name: Ontario Dept. of Mines

Location:

Mono - Gold occurrences, prospects, and deposits of the Beardmore-Geraldton area, districts of Thunder Bay and Cochrane

Publication Number: OFR5630 Date: 1986

Author: Mason J.K., White G.D.

Publisher Name: Ontario Geological Survey

Location:

File - Resident Geologist Mineral Deposit Files

Publication Number: Min Dep Date:

Author:

Publisher Name:

Location: Thunder Bay RGP

Part - The western part of the Sturgeon River area (Sturgeon R.-Beardmore section)

Publication Number: ARV45-02.002 Date: 1998

Author: Laird H.C.

Publisher Name: Ontario Dept. of Mines

Location:

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Ministry Contact Information

For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office