Ontario Geological Survey
Permanent Link to this Record:
MDI000000001229
| Record Name(s) | Roll Lake Amethyst - 2011, Windy Ridge Amethyst Quarry - 2011, Mining Claim 1195962 - 2016 |
|---|---|
| Related Record Type | |
| Record Status | Producing Mine |
| Date Created | 2011-Apr-26 |
| Date Last Modified | 2021-Dec-13 |
| Created By | J Scott |
| Revised By | Therese Pettigrew |
Primary Commodities: Amethyst
Township or Area: Tartan Lake Area
Latitude: 48° 38' 1.53" Longitude: -88° 57' 32.73"
UTM Zone: 16 Easting: 355663 Northing: 5388596 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52A10NW
Point Location Description: Field visit with GPS
Location Method: Field Visit with GPS
Access Description: Access is via HWY 527 turning east onto the Magone forestry road 10 km north of the HWY17 junction. Proceed 11 km along main road and turn right onto a secondary road (before the 12 km sign) and trael 1 km to the top of a ridge that is in the centree of the claim.
1993: amethyst showing was discovered and staked by W. Richardson. 1994: Bill Richardson completed minor hand stripping and blasting on the south side of the forestry access road. 2011: Larry Kowtuski staked claim 4264663 over historical trenches and stripped the north side of the access to trace out the amethyst vein. 2016: L. Kowtuski transfers the claim to Jonathan Lee Koeppl. Quarry operated under the authority of MNR Aggregate Permit No. 624838, which allows for the extraction of up to 60 t/year from a quarry area of 1.15 ha.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.50301 | 20000007021 | 20000007021 |
| 2.15791 | 52A10NW0008 | 52A10NW0008 |
| 63.6336 | 52A10NW0012 | 52A10NW0012 |
| 2.15808 | 52A10NW0007 | 52A10NW0007 |
Province: Superior
Subprovince: Quetico
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Granite | 1 | Granite | Host |
|---|---|---|---|---|
| Vein | 2 | Is |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Amethyst | Economic | Ore |
Mar 11, 2020 (Therese Pettigrew) - Amethyst crystals range from light lavender to dark purple and 1/8 to 1.4” in size (Assessment reports 20000007021, 52A10NW0008).
Map - Loon Lake area, Gunflint iron range, District of Thunder Bay
Publication Number: M1960P Scale: 1:31,680 Date: 1997
Author: Moorhouse W.W.
Publisher Name: Ontario Dept. of Mines
Map - Black Bay sheet, District of Thunder Bay, geological compilation series
Publication Number: P0358 Scale: 1:126,720 Date: 1997
Author: Pye E.G.
Publisher Name: Ontario Dept. of Mines
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For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office