Ontario Geological Survey
Permanent Link to this Record:
MDI52A15SW00008
| Record Name(s) | T. Atkinson - 1977 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1983-Jan-31 |
| Date Last Modified | 2022-May-06 |
| Created By | |
| Revised By |
Primary Commodities: Amethyst
Secondary Commodities: Copper
Township or Area: Dorion
Latitude: 48° 47' 34.33" Longitude: -88° 45' 58.59"
UTM Zone: 16 Easting: 370278 Northing: 5405935 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52A15SE, 52A15SW
Point Location Description: Map in Thunder Bay assessment files
Location Method: Data Compilation
1977: T. Atkinson carried out pitting.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 52A15/SW-004 |
Province: Southern
Subprovince: Nipigon Basin
Formation Group: Sibley Group
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Amethystine Quartz | Is |
|---|---|---|---|---|
| Quartz Monzonite | 2 | Contains |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Amethyst | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore | ||||
| 3 | Malachite | Economic | Ore | ||||
| 4 | Azurite | Economic | Ore |
Feb 24, 2020 (Therese Pettigrew) - The showing is situated in the NW 1/4 of the E 1/2 of Lot 8, Concession XIII and lies just northwest of Furcate Lake. A composite quartz vein system with an exposed width of 8 m was noted in a pit 7 m long, 2 m wide, and approximately 1.5 m deep. The vein system has a strike-length of 128 m and strikes west with a vertical dip. Mineralization consists of amethystine quartz, chalcopyrite, malachite, and azurite. Malachite occurs along fractures. Copper mineralization forms less than 1 percent of the total pit volume. Quartz crystals are pale purple to pale red and vary in size to as much as 4 cm across the base. Hematite-coated quartz crystals and black smoky quartz can also be found (Fenwick and Scott, 1979). The host rock in the trench is quartz monzonite (Thunder Bay mineral deposit files). No assays were reported.
| Rank | Classification |
|---|---|
| 1 | Vein |
Article - 1978 report of North Central Regional Geologist
Publication Number: MP084.004 Page: 42 Date: 1997
Author: Fenwick K.G., Scott J.F.
Publisher Name: Ontario Geological Survey
Location:
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