Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI000000002373| Deposit Name(s) | Sturgeon Lake Group 23 - 1971, Swamp Lake East - 1971 |
|---|---|
| Deposit Status | occurrence |
| Date Created | 2020-Jan-29 |
| Date Last Modified | 2020-Jan-29 |
| Created By | T Pettigrew |
| Revised By | T Pettigrew |
Primary Commodities: zinc, copper, silver, lead
Secondary Commodities: gold
Township or Area: Six Mile Lake Area, Bell Lake Area
Latitude: 49° 52' 34.07" Longitude: -90° 49' 43.66"
UTM Zone: 15 Easting: 655997 Northing: 5527119 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52G15SW
Point Location Description: Drillholes in Assessment report 52G15NW0066
Location Method: based on assessment
1970-71: Mattagami Lake Mines Ltd. conducted EM and magnetometer surveys, and drilled 9 DDH totaling 1325.61 m.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 43 | 52G15NW0066 | Open Open |
| 52G15SW-AD-0025 | 52G15SW0034 | Open Open |
Province: Superior
Subprovince: Wabigoon
Belt: Sturgeon Lake
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship |
|---|---|---|---|---|
| felsic metavolcanics | 1 | rhyolitic micro agglomerate | host | |
| lamprophyre | 2 | dyke | near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Habit Description |
|---|---|---|---|---|---|---|---|
| 1 | sphalerite | economic | ore | ||||
| 2 | pyrite | economic | ore | ||||
| 3 | chalcopyrite | economic | ore | ||||
| 4 | galena | economic | ore |
01/29/2020 (T Pettigrew) - In DDH SL-23-71-13, a massive sulphide zone, bounded above by a lamprophyre dyke and below by rhyolitic micro agglomerate, returned up to 26.2% Zn, 2.52% Cu, 8.60% Pb, 28.98 oz/t Ag, and 0.072 oz/t Au over 5 feet (1.5 m). The entire mineralized zone is 15.4 m thick and contains up to 60% sphalerite, 30% pyrite, 3% chalcopyrite, and 7% galena. In DDH SL-23-71-15, a similar massive sulphide zone below a rhyolitic micro agglomerate returned assays of up to 28.4% Zn, 8.58% Cu, 4.83% Pb, 9.24 oz/t Ag, and 0.03 oz/t Au. DDH SL-23-71-16 returned assays of up to 38.6% Zn, 1.54% Cu, 10.7% Pb, 27.43 oz/t Ag, and 0.054 oz/t Au. DDH SL-23-71-18 returned assays of up to 13.5% Zn, 6.1% Cu, 3.53% Pb, 13.87 oz/t Ag, and 0.04 oz/t Au (Assessment report 52G15NW0066).
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