Ontario Geological Survey
Permanent Link to this Record:
MDI42A01SE00119
| Record Name(s) | Sheroomac - 1961, Round Lake - 1929, Taroomac - 1952, G. Tough - 1990 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1990-Dec-29 |
| Date Last Modified | 2023-Mar-09 |
| Created By | |
| Revised By |
Primary Commodities: Copper
Secondary Commodities: Zinc
Township or Area: Pacaud
Latitude: 48° 0' 27.58" Longitude: -80° 0' 23.58"
UTM Zone: 17 Easting: 574095.451 Northing: 5317629.259 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 32D04NW, 42A01SE
Point Location Description: Diamond drill hole in Pacaud Tp.
Location Method: Conversion from MDI
1929: Trenching and pitting by Round Lake Copper Mines Ltd. 1952: Geological mapping, and 13 d.d. holes for 1200 feet by Taroomac Prospecting Syndicate. 1961: 2 d.d. holes for 185 feet, by Sheroomac Mining Corp. Ltd.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 10 | 42A01SE9673 | 42A01SE9673 |
| Rock Type | Rank | Composition | Texture | Relationship | Intermediate Tuff | 1 | silicic | bedded |
|---|---|---|---|---|
| Vein | 2 | quartz | stringers | Host |
| Ironstone-unsubdivided | 3 | |||
| Granitoid-Unsubdivided | 4 | Near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Chalcopyrite | Economic | Ore | ||||
| 2 | Pyrite | Economic | Ore | ||||
| 3 | Pyrrhotite | Economic | Ore | ||||
| 4 | Sphalerite | Economic | Ore | ||||
| 3 | Quartz | Economic | Gangue |
May 25, 2022 (Therese Pettigrew) - Chalcopyrite, pyrite, pyrrhotite and sphalerite occur as lenses and in quartz stringers and disseminated in Keewatin silicic bedded tuffs, fragmental rocks, and iron formation. The Round Lake granitic batholith occurs a short distance to the south. A selected sample from the eastern outcrop of No. 3 vein contained 1.46% Cu, 1.50% Zn, 0.18 oz./ton Au and 0.84 oz./ton Ag. A selected sample from 1200 feet farther west contained 3.07% Cu, 0.02 oz./ton Au and 1.23 oz./ton Ag (Northern Miner, June 19, 1952).
File - Resident Geologist files KL-2076, KL-2486
Publication Number: Date:
Author:
Publisher Name:
Location: Kirkland Lake RGP office
Mono - Copper, nickel, lead and zinc deposits of Ontario
Publication Number: MDC012 Page: 367 Date: 1969
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
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