Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI000000002344Deposit Name(s) | Longrose West - 1947, Undersill Property - 1988 |
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Deposit Status | occurrence |
Date Created | 2019-Sep-30 |
Date Last Modified | 2020-Jul-15 |
Created By | T Pettigrew |
Revised By | T Pettigrew |
Primary Commodities: gold
Township or Area: Eva
Latitude: 49° 36' 48.97" Longitude: -88° 4' 44.85"
UTM Zone: 16 Easting: 422045 Northing: 5496230 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 52H09SE
Point Location Description: DDH UND-1 from Assessment report 52H09SE0002
Location Method: data compilation
1947: Longrose Gold Mines Ltd. drilled 18 DDH totaling 1991.75 m. 1988: Mingold Resources Inc. carried out VLF-EM and magnetic surveys, till and rock sampling, geological mapping, and drilled 6 DDH totaling 655.9 m.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
---|---|---|
10 | 52H09SE0013 | Open |
2.12313 | 52H09SE0002 | Open |
13 | 52H09SE0004 | Open |
Province: Superior
Subprovince: Wabigoon
Belt: Beardmore-geraldton
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship |
---|---|---|---|---|
metasedimentary | 1 | greywacke | host | |
ironstone | 2 | adjacent | ||
vein | 3 | quartz | host | |
mafic metavolcanics | 4 |
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Habit Description |
---|---|---|---|---|---|---|---|
1 | pyrite | economic | ore | ||||
2 | arsenopyrite | economic | ore | ||||
3 | magnetite | economic | ore | ||||
1 | quartz | economic | gangue | ||||
2 | sericite | economic | gangue | ||||
3 | chlorite | economic | gangue |
09/30/2019 (T Pettigrew) - A grab sample from near DDH UND-1 returned 3.029 ppm Au and 1.918 ppm As (Assessment report 52H09SE0002). DDH UND-1 assayed 2.596 g/t Au over 0.7 ft from a quartz vein containing pyrite, 0.724 g/t over 1.5 ft from 50% quartz veining and 50% very fine-grained host (possibly diabase), and 0.908 g/t Au over 3.6 ft from a brecciated quartz vein containing 1-2% pyrite and magnetite-rich inclusions. DDH UND-3 assayed 1.125 ppm Au over 2.5 ft from a sericite-chlorite shear containing 10% quartz veining with pyrite (Assessment report 52H09SE0004).
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For detailed information regarding this mineral deposit please contact the Thunder Bay North Resident Geologist District Office