Ontario Geological Survey
Permanent Link to this Record:
MDI000000002690
| Record Name(s) | North Caribou Lake NE - 1983, Eldorado 561-83-05 - 1983 |
|---|---|
| Related Record Type | |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 2021-Oct-29 |
| Date Last Modified | 2022-Jan-18 |
| Created By | |
| Revised By |
Primary Commodities: Zinc
Secondary Commodities: Copper
Township or Area: Erichsen Lake Area
Latitude: 52° 53' 17.62" Longitude: -90° 35' 19.2"
UTM Zone: 15 Easting: 662230 Northing: 5862560 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 53B15NE
Point Location Description: DDH 561-83-05 location from assessment report 53B15NE0009
Location Method: Data Compilation
1982: Eldorado Nuclear Ltd. carried out magnetometer and EM surveys, prospecting, mapping, and soil and rock sampling. 1983: Eldorado Nuclear Ltd. drilled 1 DDH totalling 93.8 m. 2018: Goldcorp carried out prospecting and sampling.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 53B15SE0013 | 53B15NE0009 | 53B15NE0009 |
| W8203.00101 | 53B15NE0011 | 53B15NE0011 |
Province: Superior
Subprovince: Berens River
Terrane: North Caribou
Domain: North Caribou Core
Belt: North Caribou
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Mafic Tuff | 1 | Host |
|---|---|---|---|---|
| Ironstone-unsubdivided | 2 | Near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrrhotite | Economic | Ore | ||||
| 2 | Pyrite | Economic | Ore | ||||
| 3 | Chalcopyrite | Economic | Ore |
Oct 29, 2021 (Therese Pettigrew) - DDH 561-83-05 returned 1600 ppm Cu and 7600 ppm Zn over 2.5 m from a tuff mineralized with pyrrhotite (75%), pyrite (20-23%) and chalcopyrite (2%). Sulphides make up to 10% by volume and up to 40% locally (Assessment report 53B15NE0009).
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Copper | Unknown | 1600 | ppm | |||
| Lead | Unknown | 357 | ppm | |||
| Nickel | Unknown | 142 | ppm | |||
| Zinc | Unknown | 7600 | ppm |
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office