Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52E10SW00003

Record: MDI52E10SW00003

General

Mineral Record Identification
Record Name(s) Gold Coin - 1899
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1980-Jun-30
Date Last Modified 2022-Mar-21
Created By
Revised By

Commodities

Primary Commodities: Gold



Location

Township or Area: Glass

Latitude: 49° 34' 6.35"    Longitude: -94° 55' 59.73"

UTM Zone: 15    Easting: 360217   Northing: 5492444    UTM Datum: NAD83

Resident Geologist District: Kenora

NTS Grid: 52E10SW

Point Location Description: Map in Assessment report 52E10SW8556

Location Method: Data Compilation



Exploration History

Circa 1897: unknown individuals sunk a shaft on a quartz vein in felsite. 1898: Ontario Ltd. Co. mined 50 tones of ore from an open cut near the shaft. 1899: Incorporation of Gold Coin Mining Co. 1899-1926: sinking of second shaft in brecciated greenstone. 1926-29: Kenora Prospectors and Miners Ltd. excavated and sampled numerous pits and breccias near the south shaft. 1962-64: Olympia Mines drilled 10 DDH totalling 565 m. 1984-86: Eclipse Resources Corp. carried out prospecting, sampling, linecutting, magnetometer and VLF-EM surveys, and drilled 5 DDH totaling 305 m.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
63.4770 52E10SW8552 52E10SW8552
63.4569 52E10SW8556 52E10SW8556

Geology

Province: Superior

Subprovince: Wabigoon

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Intermediate lava flow-unsubdivided 1 Andesite Adjacent
Mylonite/Fault Gouge/Pseudotachylite 2 Shear Zone Contains
Vein 3 Quartz Contains

Lithology Comments

May 15, 2020 (Therese Pettigrew) - Much of the southern half of the property is underlain by light to medium grey, fine-grained andesite flows. Light grey to white weathering felsite is abundant in the northern half and basalt crops out in the northeastern portion. The felsite has been interpreted as intrusive (Davies 1978), but may have an extrusive component. Feldspar porphyry dikes occur in many outcrops and the edge of the Canoe Lake quartz diorite stock is exposed near the northern margin of the property. A west-northwest-trending lineament, interpreted to be a fault (Davies 1978), bisects the property and may be related to the numerous mineralized shear zones. A zone of tectonic breccia, which is exposed at the south shaft 50 m south of the lineament, may reflect movement oblique to the fault (Davies and Smith, 1988).




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyriteEconomicOre
2GoldEconomicOre
3ChalcopyriteEconomicOre

Mineralization Comments

May 15, 2020 (Therese Pettigrew) - At least 10 mineralized zones have been identified. Feldspar porphyry dikes are commonly associated with southeast-trending, north-dipping, carbonatized and pervasively silicified shear zones. Thin quartz veins and veinlets represent later fracture fill. Pyrite is abundant within sheared felsite and is found in minor amounts, together with rare chalcopyrite and molybdenite, within quartz veins. Vein No. 6 is a northeast-trending, north-dipping breccia zone (Davies and Smith, 1988). Anomalous gold values have been reported by Dunlop (1964), who considered high gold values to correspond with high pyrite content. Olympia Mines obtained the following results from their 1964 drill program: DDH 1A returned 0.32 oz/t Au over 1.9 ft (10.97 g/t Au over 0.58 m); DDH 4 returned 0.12 oz/t Au over 7 ft (4.11 g/t Au over 2.13 m); DDH 5 returned 0.33 oz/t Au over 5 feet (11.3 g/t Au over 1.5 m), 0.34 oz/t Au over 1.4 feet (11.66 g/t Au over 0.43 m), and 0.22 oz/t Au over 2.6 ft (7.54 g/t Au over 0.79 m) (Davies and Smith, 1988). Samples from the “Snake Pit” returned values ranging from 0.67 to 3.18 oz/t Au (22.97 to 109 g/t Au). A sample from the “Open Cut” occurrence returned 1.26 oz/t Au (43.19 g/t Au) (Assessment report 52E10SW8552).



Mineral Record Details

Production Data
Year Tonnes Commodities Reference Comment
1898 45 ARV08 p. 68 50 tons. No commodities reported, other than "without very satisfactory results".

References

Mono - The geological setting of gold occurrences in the Lake of the Woods area

Publication Number: OFR5695 Scale:     Date: 1988

Author: Davies J.C., Smith P.M.

Publisher Name: Ontario Geological Survey

Location:


Part - The condition of Ontario mines

Publication Number: ARV08-01.003 Scale:     Date: 1998

Author: De Kalb C.

Publisher Name: Ontario Bureau of Mines

Location:


MonoMap - Geology of the Shoal Lake-Western Peninsula area, District of Kenora

Publication Number: OFR5242 Scale:     Date: 1978

Author: Davies J.C.

Publisher Name: Ontario Geological Survey

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:


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