Ontario Geological Survey
Permanent Link to this Record:
MDI52O09SE00006
| Record Name(s) | Crowshore Patricia - 1984, Tarp Lake D - 1984 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Developed Prospect Without Reported Reserves or Resources |
| Date Created | 1984-Jul-23 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: McCullagh
Latitude: 51° 31' 25.73" Longitude: -90° 1' 7.96"
UTM Zone: 15 Easting: 706799 Northing: 5712291 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 52O09SE
Point Location Description: Shaft
Location Method: Field Visit with GPS
1937-1938: Surface exploration and diamond drilling by Crowshore Gold Mines. 1944: Surface exploration by Crowshore Patricia Gold Mines. 1945-1947: Exploration shaft sunk and underground exploration carried out by Crowshore Patricia Gold Mines. 1979-1980: Geophysical surveys by Prospecting Geophysics Ltd. 1981: Diamond drilling by Gallant Gold Mines.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 52O09SE0036A1 | 52O09SE0141 | 52O09SE0141 |
| 52O09SE0037 | 52O09SE0128 | 52O09SE0128 |
Province: Superior
Subprovince: Uchi
Terrane: North Caribou
Domain: Uchi
Belt: Pickle Lake
Geological Age: Mesoarchean
Dec 21, 2006 (Mark Puumala) - The geololgy of the Pickle Crow area is described in MDI52O09SE00007.
| Rock Type | Rank | Composition | Texture | Relationship | Mafic lava flow-unsubdivided | 1 | Basalt | Adjacent |
|---|---|---|---|---|
| Ironstone-unsubdivided | 2 | Host | ||
| Mylonite/Fault Gouge/Pseudotachylite | 3 | Shear Zone | Contains |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Tourmaline | Economic And Alteration | Gangue | Tourmalinization | 1 | ||
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore | ||||
| 3 | Pyrrhotite | Economic | Ore | ||||
| 4 | Gold | Economic | Ore |
Dec 21, 2006 (Mark Puumala) - This prospect includes three areas of significant gold mineralization referred to as the A, B, and C Zones by Pye (1976). The mineralized structures are reported by Pye (1976) to generally strike 030, while dipping steeply to the northwest. Lower values of gold mineralization were reported in three other structures on the property referred to as the D, E and G-Zones (Pye 1976). Although no production has been reported from this prospect, an exploration shaft was sunk on the property by Crowshore Patricia Gold Mines in 1945. The A-Zone mineralization is shown on ODM Map P.1009 to be located approximately 250 m southwest of the Crowshore Patricia Shaft. This zone is reported by Pye (1976) to be associated with sulphidized iron formation (pyrite and pyrrhotite) and mineralized quartz stringers that fill transverse fractures. Pye (1976) reports that gold is erratically distributed in the A-Zone, with portions of the structure containing high-grade material (up to 0.74 oz/ton Au over 0.45 m), and others barren of gold. The B-Zone (located approximately 200 m southeast of the shaft on Map P.1009) is a narrow, approximately 730 m long mineralized structure that is indicated by Pye (1976) to be characterized by intense shearing of mafic metavolcanic rocks. This shear is immediately adjacent and parallel to an iron formation unit that hosts the gold mineralization. Mineralization in the B-Zone is reported to include iron formation sulphide replacement (pyrrhotite), and quartz veins in fractured iron formation. Numerous anomalous assay values are reported by Pye (1976) for diamond drilling carried out by Crowshore Patricia Gold Mines in 1947, with the most favourable result being 0.22 oz/ton over 0.97 m in ddh 17. A narrow mineralized shear in mafic metavolcanics approximately 30 m north of the B-Zone was reported by Pye (1976) to contain irregular gold mineralized quartz lenses (up to 0.14 oz/ton over 0.3 m). The C-Zone is located immediately southwest of the shaft, and is reported by Pye (1976) to consist of highly-contorted quartz veins and stringers up to 60 cm wide. The quartz veins are hosted within a shear zone hosted within mafic metavolcanics. The shear zone varies in width from 0.9 to 8.2 m, averaging approximately 2.1 m (Pye 1976). The veins are reported to be mineralized with trace quantities of pyrite, pyrrhotite, chalcopyrite, carbonate and tourmaline, with occasional visible gold. Assay values of up to 2.93 oz/ton Au over 0.9 m were reported from channel samples collected from this zone by Crowshore Patricia Gold Mines in 1944 (Pye 1976).
| Rank | Classification |
|---|---|
| 1 | Lode (Gold) |
| 2 | Replacement |
| 3 | Vein |
| Rank | Characteristic |
|---|---|
| 1 | Sheared |
Map - Geological series, Crow River area, District of Kenora (Patricia Portion)
Publication Number: P1009 Scale: 1:12,000 Date: 1997
Author: Pye E.G.
Publisher Name: Ontario Division of Mines
Location:
Part - The Crow River area
Publication Number: ARV47-03.001 Page: 50-51 Date: 1997
Author: Thomson J.E.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Mines of Ontario in 1946
Publication Number: ARV56-02 Page: 26-27 Date: 1997
Author: Tower W.O., Smith R.L., Bawden W.E., Cooper D.F., Walkom L.K., Little E.S., Kirk A.T., Weir E.B., Douglass D.P., Ward J.L., Barrett C.M.
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 Page: 226 Date: 1971
Author: Ferguson S.A., Groen H.A., Haynes R.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Mono - Geology of the Crow River area, District of Kenora (Patricia Portion)
Publication Number: OFR5152 Date: 1976
Author: Pye E.G.
Publisher Name: Ontario Division of Mines
Location:
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