Ontario Geological Survey
Permanent Link to this Record:
MDI000000002607
| Record Name(s) | Randall Lake NE - 1988, Discovery Lake - 1987 |
|---|---|
| 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: Gold
Township or Area: Randall Lake Area
Latitude: 52° 51' 39.54" Longitude: -91° 7' 3.24"
UTM Zone: 15 Easting: 626730 Northing: 5858466 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 52B14SE
Point Location Description: DDH RL-88-24 from Assessment report
Location Method: Data Compilation
Access Description: The property is approximately 180 km NNW of Pickle Lake. Access is by float plane.
1987: Power Explorations Inc. carried out prospecting, mapping, stripping, and sampling. 1988: Power Explorations Inc. drilled 26 DDH totalling 4585.7 m on the property, including 1 DDH totalling 249 on the occurrence.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 16 | 53B14SE0002 | 53B14SE0002 |
| 2.10731 | 53B14SE0004 | 53B14SE0004 |
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 lava flow-unsubdivided | 1 | Contains |
|---|---|---|---|---|
| Siltstone | 2 | Near | ||
| Schist-Unsubdivided | 3 | Near | ||
| Vein | 4 | quartz | Host | |
| Ironstone-unsubdivided | 5 | Contains |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Magnetite | Economic | Ore |
Oct 29, 2021 (Therese Pettigrew) - Samples collected from the SE shoreline of Discovery Lake returned up to 0.548 ppm Au from a 1.5 foot wide grunerite-chert iron formation with 20% magnetite and trace pyrite (Assessment report 53B14SE0004). DDH RL-88-24 returned 0.030 oz/t Au over 5 feet (1.03 g/t Au over 1.5 m) from a mafic volcanic with trace magnetite and trace to 0.5% pyrite (Assessment report 53B14SE0002).
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Gold | Unknown | .03 | oz/T |
We are continuously updating our assessment file / technical report information. If you notice errors in the data, please contact us.
Please review our Terms of Use agreement for this data product.
For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office