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Ontario Geological Survey
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MDI53A05NW00006
Record Name(s) | Tex - 1984, Neawagank Lake - 1995 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Prospect |
Date Created | 1995-May-24 |
Date Last Modified | 2022-Jun-07 |
Created By | |
Revised By |
Primary Commodities: Gold
Township or Area: Neawagank Lake Area
Latitude: 52° 28' 29.08" Longitude: -89° 50' 43.72"
UTM Zone: 16 Easting: 306750.003 Northing: 5817650.005 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 53A05NW
Point Location Description: Precise
Location Method: Conversion from MDI
1981-82: Geological mapping, prospecting, trenching and geophysical surveys by 493217 Ontario Ltd. 1984-86: Diamond drilling by Texas-U.S. Oil and Gas Inc. 1986-87: Geological mapping and prospecting by Van Horne Gold Exploration Inc. 1996: Geological mapping and prospecting by Placer Dome Canada.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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53A05NW0033 | 20000004894 | 20000004894 |
53A05NW0024 | 53A05NW0027 | 53A05NW0027 |
2.16679 | 53A05NW0003 | 53A05NW0003 |
53A05NW0025 | 53A05NW0550 | 53A05NW0550 |
Province: Superior
Subprovince: Berens River
Terrane: North Caribou
Domain: North Caribou Core
Belt: North Caribou
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Gabbro | 1 | Gabbro | Contains |
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Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Pyrite | Economic | Ore | ||||
2 | Pyrrhotite | Economic | Ore | ||||
3 | Arsenopyrite | Economic | Ore | ||||
Quartz | Alteration | Silicification | 1 | ||||
Sericite | Alteration | Sericitization | 2 |
Mar 12, 2008 (Mark Puumala) - The Tex prospect is described by Talbot (1996) as a significant showing located where east- and northeast-trending structural fabrics intersect within a quartz diorite intrusion. This intersection has produced a stockwork of fractures and narrow shears hosting arsenopyrite, gold and minor pyrrhotite. The mineralized shear zones at this location are described by Piroshco, Breaks and Osmani (1989) as ranging in thickness from 0.6 to 1.8 m, with the most significant gold values associated with foliation subparallel pods of massive to disseminated arsenopyrite and numerous (0.15 to 1.0 m wide) quartz-pyrite-pyrrhotite veins and veinlets that occur intermittently along the shear zones. This occurrence is found in one of a series of discontinuous northeast- to east-trending shear zones that cross-cut the host gabbro intrusion in an area located to the north and east of Wesley Lake (Piroshco, Breaks and Osmani 1989). The N-9 (MDI000000000500) and Jardine showings (MDI53A05NW00002) located to the west, are associated with the same series of structures. Numerous significant assay results have been reported from this showing by various authors including Londry (1984), Hodge and Corkery (1986), Joliffe (1987), Piroshco, Breaks and Osmani (1989) and Talbot (1996) from surface grab, chip and channel samples, and diamond drill holes. Some of the most notable assay results include the following: 0.14 oz/ton Au over 2.44 m in diamond drill hole TN-84-1 (Londry 1984); 0.32 oz/ton Au over 0.9 m in drill hole TN-84-6 (Londry 1984); 0.17 oz/ton Au over 2.2 m in drill hole TN-86-1 (Hodge and Corkery 1986); 0.18 oz/ton Au over 1.07 m in drill hole TN-86-2 (Hodge and Corkery 1986); 0.13 oz/ton over 1.61 m in a chip sample collected from Trench K (Joliffe 1987). Talbot also (1996) reported grab sample assays of up to 147.2 g/t from this showing.
Rank | Classification |
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1 | Lode (Gold) |
Rank | Characteristic |
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1 | Sheared |
2 | Vein |
File - Resident Geologist files: Report on geological mapping and geochemical sampling programs, Neawagank Lake property, District of Kenora, Patricia Mining Division, northwestern Ontario for Van Horne Gold Exploration Inc.
Publication Number: AFTB53A05NW0026 Date: 1987
Author: Joliffe, T.S.
Publisher Name:
Location: Thunder Bay RGP donated files
Mono - The geology of gold prospects in the North Caribou Lake greenstone belt, District of Kenora, northwestern Ontario
Publication Number: OFR5698 Date: 1989
Author: Piroshco D.W., Breaks F.W., Osmani I.A.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office