Ontario Geological Survey
Permanent Link to this Record:
MDI52A10NW00009
Record Name(s) | Keetch Quarry - 1999, Boulder Creek Amethyst Quarry - 1999, Starlight Amethyst - 1993, Lot A South Part - 1991 |
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Related Record Type | SIMPLE |
Record Status | Producing Mine |
Date Created | 1999-Aug-30 |
Date Last Modified | 2021-Nov-17 |
Created By | Q Unknown |
Revised By | Therese Pettigrew |
Primary Commodities: Amethyst
Secondary Commodities: Lead
Township or Area: McTavish
Latitude: 48° 40' 56.72" Longitude: -88° 36' 50.71"
UTM Zone: 16 Easting: 381195 Northing: 5393410 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52A10NE
Point Location Description: Map in Assessment report 20000014233
Location Method: Based on Assessment
Access Description: Turn south onto the old Dorion Mine Road towards the Ontario Gem Mine. Approximately a kilometre down this road the road spits in two with the left branch going to the Mine and the right branch onto the pipeline right-of-way towards the property. Follow the pipeline right-of-way for approximately 2 km to the claim boundary.
1993: D. Thibeault carried out prospecting, cleaning out old pits, trenching, and mapping. 2014: J. Harasym and D. Kalick carried out brushing, cleaning, and sampling.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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OP93-290 | 52A10NE2001 | 52A10NE2001 |
2.56101 | 20000014233 | 20000014233 |
Province: Southern
Subprovince: Nipigon Basin
Formation Group: Sibley Group
Geological Age: Mesoproterozoic
Rock Type | Rank | Composition | Texture | Relationship | Mudstone | 1 | Host |
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Granitoid-Unsubdivided | 2 | Adjacent |
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Amethyst | ECONOMIC | ORE | ||||
2 | Galena | ECONOMIC | ORE | ||||
3 | Sphalerite | ECONOMIC | ORE | ||||
4 | Chalcopyrite | ECONOMIC | ORE | ||||
1 | Calcite | ECONOMIC | GANGUE | ||||
2 | Barite | ECONOMIC | GANGUE |
Feb 25, 2020 (Andrew Tims) - The vein is made up of amethyst, galena, sphalerite, calcite, and barite with inclusions of Sibley mudstone. Chalcopyrite was also observed. The amyethst itself ranges in color from a light blue to a dark purple.Black amyethst is also present.
Rank | Classification |
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1 | Vein |
Map - Geological series, McTavish Township (east part of north half), District of Thunder Bay
Publication Number: P0721 Scale: 1:15,840 Date: 1997
Author: McIlwaine W.H.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
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For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office