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Ontario Geological Survey
Permanent Link to this Record:
MDI41O15SW00034
| Record Name(s) | Mattagami Lake DH S-2-76-3 - 1976, Mattagami Lake Group 2 - 1975 |
|---|---|
| Related Record Type | Simple |
| Record Status | Discretionary Occurrence |
| Date Created | 2002-Mar-08 |
| Date Last Modified | 2022-Jan-05 |
| Created By | A Wilson |
| Revised By | D Draper |
Primary Commodities: Copper, Zinc
Township or Area: Halcrow
Latitude: 47° 49' 2.8" Longitude: -82° 51' 45.42"
UTM Zone: 17 Easting: 360570.002 Northing: 5297690 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 41O15SW
Point Location Description: Precise: collar of hole S-2-76-3 transferred to GIS display for coods
Location Method: Based on Assessment
Access Description: The project area is located 25 to 30 miles southeast of Chapleau. Access is by float equipped aircraft from Chapleau or by winter road from Sultan which runs as far as Lee Lake near the southeast corner of Halcrow Township.
1975-76: Mattagami Lake Explortion Ltd. - ground geophysics, 1 ddh (417 ft). 1984: Micham Exploration Inc. - airborne geophysics
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| T-2870 / 2.7022 | 41O10NW0090 | 41O10NW0090 |
| T-1709 / 2.2032 | 41O15SW9086 | 41O15SW9086 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Swayze
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Intermediate Tuff | 1 | Andesite | Tuff | Host |
|---|---|---|---|---|
| Ironstone-unsubdivided | 2 | Graphitic | Footwall |
Dec 07, 2005 (A Wilson) - Diamond drilling intersected a sequence of silicified and chloritized porphyritic tuffs that display localized graphitic and chloritic seams. Narrow silicified sections contain disseminated sulphides.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Gangue | ||||
| 2 | Graphite | Economic | Gangue |
Dec 07, 2005 (A Wilson) - The best assay from the drill hole returned a value of 0.26% Zn and 0.03% Cu over 5 ft.
Map - Halcrow and Denyes townships, Sudbury District
Publication Number: M2120 Scale: 1:31,680 Date: 1997
Author: Donovan J.F.
Publisher Name: Ontario Dept. of Mines
Map - Geology, Swayze greenstone belt, Rollo Lake, Ontario
Publication Number: OF 3384b Scale: 1:50,000 Date: 1999
Author: Heather, K B; Shore, G T
Publisher Name: Geological Survey of Canada
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For detailed information regarding this mineral record please contact the Timmins Resident Geologist District Office