Ontario Geological Survey
Permanent Link to this Record:
MDI41P14NE00054
| Record Name(s) | Rio Tinto DDH A-3 - 1976, Allerston Option - 1976, West Grassy River - 1976 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 2000-Oct-26 |
| Date Last Modified | 2023-Mar-16 |
| Created By | |
| Revised By |
Primary Commodities: Copper, Zinc
Secondary Commodities: Silver
Township or Area: Halliday
Latitude: 47° 54' 13.96" Longitude: -81° 11' 37.9"
UTM Zone: 17 Easting: 485512.001 Northing: 5305634.996 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 41P14NE
Point Location Description: Approximate
Location Method: Based on Assessment
1976 Rio Tinto Canadian Exploration Ltd. - DD-1-1193 ft. 1978: Essex Minerals Company - trenching, sampling. 1989: Falconbridge Ltd. - airborne geophysics
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| T-3362 | 41P14NE0055 | 41P14NE0055 |
| T-2654, 23 | 41P14NE0090 | 41P14NE0090 |
| T-2687 | 41P14NE0069 | 41P14NE0069 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Abitibi
Geological Age: Neoarchean
| Rock Type | Rank | Composition | Texture | Relationship | Claystone | 1 | Graphitic | Host |
|---|---|---|---|---|
| Felsic Tuff | 2 | Rhyolite | Tuff To Agglomerate | Near |
Aug 27, 2010 (A Wilson) - DDH A-3 collared in a rhyolite agglomerate at a depth of 80 ft. The hole continued in felsic fragmental rocks until 397 ft. From 397 ft. to the end of the hole at 1193 ft., the hole cut black (graphitic) argillaceous metasedments.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Sphalerite | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore | ||||
| 1 | Pyrite | Economic | Gangue |
Aug 27, 2010 (A Wilson) - Best assays from the drill core returned 0.03 ppm Au, 2.1 ppm Ag, 4240 ppm Cu, 361 ppm Pb and 14500 ppm Zn over 20 feet
Dec 07, 2005 (G Seim) - The graphitic argillite contains much carbonate. The interval from 194.5 ft to 258.2 ft. is described as black rhyolite agglomerate. The blackness may be due to black chlorite alteration.
| Rank | Characteristic |
|---|---|
| 1 | Disseminated |
Map - Halliday and Midlothian townships, Sudbury and Timiskaming districts
Publication Number: M2187 Scale: 1:31,680 Date: 1970
Author: Bright E.G.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of Halliday and Midlothian townships, districts of Sudbury and Timiskaming
Publication Number: R079 Date: 1970
Author: Bright E.G.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Halliday Township, District of Sudbury
Publication Number: P0385 Scale: 1:15,840 Date: 1997
Author: Bright E.G.
Publisher Name: Ontario Dept. of Mines
Location:
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