Ontario Geological Survey
Permanent Link to this Record:
MDI52F10NW00019
| Record Name(s) | Pidgeon-Bob Lake Occurrence - 1962 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1986-Jul-04 |
| Date Last Modified | 2022-Feb-28 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Contact Bay Area
Latitude: 49° 42' 31.09" Longitude: -92° 55' 36.37"
UTM Zone: 15 Easting: 505279.821 Northing: 5506238.935 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52F10NW
Point Location Description: General
Location Method: Conversion from MDI
Access Description: Point Location: The occurrence is located on the extreme southwest shore of Bob Lake on patented claim K.33346. (OFR 5723, p.271) Deposit Access Description: The occurrence is accessible by boat or from an overgrown trail which branches east from Highway 502. (OFR 5723, p.271)
Exploration History: Early 1960's: Staked and trenched by G.L. Pidgeon 1962: Optioned to Newconex Limited who drilled four holes on the property. (OFR 5723, p.271) *See Deposite Comment-Mineralization for assay results
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Kenora Assessment File 52F10NW, Y-1 Pidgeon Proper | Donated | Donated |
Province: Superior
Geological Age: Precambrian
Apr 15, 2010 (J Bongfelt) - Geology The occurrence is situated within massive and pillowed mafic metavolcanic flows of the Lower Wabigoon Volcanics which are intruded by numerous felsic dikes.
Apr 15, 2010 (J Bongfelt) - Lithology A small gold-bearing vein occurring at the southwest end of Bob Lake, six miles southwest of Dryden was uncovered by G.L. Pidgeon of Wabigoon in 1962. Though associated with a shear zone which can be traced into the lake, the narrow chalcopyrite-bearing quartz vein contains high gold values over a known length of less than 100 feet. It is possible that veins occur in en echelon fashion and that further exploration may extend the known length of the zone. Holes drilled by Newconex Canadian Exploration Limited confirmed the existence of the gold-bearing vein at a vertical depth of 110 feet. (Kenora Historical File, 52F/10NW00019, Pidgeon - Bob Lake) The occurrence consists of a 30 m wide, quartz-feldspar porphyry dike, or two subparallel dikes, intruding massive mafic metavolcanic flows and trending 086°, dipping steeply to the south. A 23 m long trench has been sunk along a narrow wedge of mafic metavolcanics which occurs between the two dikes or is a xenolith within one dike. A narrow quartz vein is hosted by the sheared wedge of metavolcanics at the contact between the quartz-feldspar porphyry dike and the metavolcanics. The shear zone and quartz vein strike 086°/75° S. The porphyry dike is foliated between 120° and 150°, dipping steeply to the southwest. The quartz vein contains abundant chalcopyrite and pyrite as well as small altered xenoliths of the wall rock. The mafic metavolcanics are weakly magnetic, variably pyritic [ <1-5%], chloritic, sericitic, and weakly carbonatized (calcite). The felsic dike is sericitized and weakly carbonatized. (OFR 5723, p.271)
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Chalcopyrite | Economic | Ore | ||||
| 10 | Pyrite | Economic | Ore |
Apr 15, 2010 (J Bongfelt) - Mineralization March, 1962: Newconex Limited drilled four holes on claim #K-33346 - best results for each hole: D.D.H . l: 0.05 oz/ton Au and 0.05 oz/ton Au D.D.H. 2: 0.04 oz/ton Au D.D.H. 3: 2.09 oz/ton Au, 0.10 oz/ton Au, and 0.03 oz/ton Au D.D.H. 4: 0.06 oz/ton Au (Kenora AF 52F/10NW, Y-1, Pidgeon Property - Contact Bay) 1987: No samples were taken by the author (J.R. Parker). Drilling by Newconex Limited did intersect gold values such as 2.09 ounce gold per ton across 5 inches. 0.10 ounce gold per ton across 1 ft., 0.04 ounce gold per ton across 1.6 ft., and 0.03 ounce gold per ton across 2 ft.. (OFR 5723, p.271)
Compend - Summary of field work, 1963, by the Geological Branch, Ontario Department of Mines
Publication Number: PR1963-02 Scale: Date: 1998
Author: Thomson J.E.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Gold deposits of Ontario, part 1, districts of Algoma, Cochrane, Kenora, Rainy River, and Thunder Bay
Publication Number: MDC013 Scale: Date: 1971
Author: Ferguson S.A., Groen H.A., Haynes R.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Mono - Gold deposits of the Kenora-Fort Frances area, districts of Kenora and Rainy River
Publication Number: MDC016 Scale: Date: 1976
Author: Beard R.C., Garratt G.L.
Publisher Name: Ontario Division of Mines
Location:
Mono - Geology, gold mineralization and property visits in the area investigated by the Dryden-Ignace economic geologist, 1984-1987
Publication Number: OFR5723 Scale: Date: 1989
Author: Parker J.R.
Publisher Name: Ontario Geological Survey
Location:
Journal - Kenora Assessment File 52F/10NW, Y-1, Pidgeon Property (Contact Bay)
Publication Number: Scale: Date: 2010
Author:
Publisher Name:
Location: Kenora Geology Office & OGS Publications
Journal - Kenora Historical File, 52F/10NW00019, Pidgeon-Bob Lake
Publication Number: Scale: Date: 2010
Author:
Publisher Name:
Location: Kenora Geology Office Only
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