Ontario Geological Survey
Permanent Link to this Record:
MDI31M05SE00160
| Record Name(s) | J. McGarry, G.W. Craig and A. McGarry - 1937, J. McGarry - 1974 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1991-Feb-08 |
| Date Last Modified | 2023-Aug-23 |
| Created By | |
| Revised By |
Primary Commodities: Copper
Secondary Commodities: Silver
Township or Area: Gillies Limit
Latitude: 47° 21' 19.78" Longitude: -79° 41' 7.19"
UTM Zone: 17 Easting: 599283 Northing: 5245508 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 31M05SE
Point Location Description: Shaft
Location Method: AMIS Site Visit
1937: J. McGarry, G.W. Craig and A. McGarry formed a partnership in 1936; a vertical 2 compartment shaft was sunk from surface to 114 ft.. 1937: shaft deepened to 117 ft. and 150 ft. of diamond drilling was done from underground. 1951: E. McGarry reported that the shaft was not sunk on a vein but with the intention of going to the bottom contact of the diabase (presumably overlying Cobalt Series sediments) and crosscutting under the creek draining into Giroux Lake. 1966: A.C.A. Howe and Associates Ltd.- geological survey. 1969: DD-10-175.5 ft.
Province: Southern
Subprovince: Cobalt Basin
Supergroup: Huronian Supergroup
Formation Group: Cobalt Group
Geological Age: Paleoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gabbroid-Unsubdivided | 1 | Hanging Wall |
|---|---|---|---|---|
| Conglomerate | 2 | Cobalt-Series | Footwall | |
| Vein | 3 | Calcite | Footwall |
Aug 14, 2017 (A Wilson) - The shaft is completely in diabase is shown by the dump material. According to A. T. Stone, (deceased) who was present when the work was done, a vertical drill hole 150 feet in length was put down from the bottom of the shaft without reaching the diabase contact. Two calcite veins (one inch or less in width) transect the diabase at surface south of the shaft.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 2 | Galena | Economic | Ore | ||||
| 1 | Pyrite | Economic | Gangue | ||||
| 3 | Chalcopyrite | Economic | Gangue |
Aug 14, 2017 (A Wilson) - Two calcite veins (one inch or less in width) transect the diabase at surface south of the shaft. Several 35-100 g/t Ag over 1.5 m.; 0.31% Cu over 4.6 m. Disseminated chalcopyrite and veins of chalcopyrite in Huronian Sediments.
| Rank | Classification |
|---|---|
| 1 | Vein (Cobalt-Type) |
| Rank | Characteristic |
|---|---|
| 1 | Vein |
File - Resident Geologist files CO-1024, CO-1063
Publication Number: Date:
Author:
Publisher Name:
Location: Kirkland Lake RGP office
Map - Cobalt silver area, southwestern sheet, Timiskaming District
Publication Number: M2051 Scale: 1:12,000 Date: 1997
Author: Thomson R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Preliminary report on parts of Coleman Township, concession 3, lots 1 to 3, and Gillies Limit, blocks 1 and 2; claims A 48 to 58 and A 88 to 100, District of Timiskaming
Publication Number: PR1961-07 Page: 96-97 Date: 1998
Author: Thomson R.
Publisher Name: Ontario Dept. of Mines
Location:
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