Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI000000001341Deposit Name(s) | Sb Zinc - 1986 |
---|---|
Related Deposit Type | None |
Deposit Status | occurrence |
Date Created | 2012-Jan-09 |
Date Last Modified | 2019-Aug-16 |
Created By | A Mckee |
Revised By | T Pettigrew |
Primary Commodities: zinc
Secondary Commodities: copper, gold
Township or Area: Granite Bay Area
Latitude: 53° 0' 18.94" Longitude: -93° 19' 49.73"
UTM Zone: 15 Easting: 477824 Northing: 5872907 UTM Datum: NAD83
Resident Geologist District: Red Lake
NTS Grid:
Point Location Description: Location on Figure 5 in assessment file 53F03SW2001
Location Method: based on assessment
Access Description: 225 km North of Red Lake and 70 km SE of the Manitoba-Ontario boundry. Sandy Lake settlement is 7 km north, served by regular airline flights.
1937: mapping completed by the Ontario Department of Mines. 1986: JVX Ltd completed exploration in the area and discovered the showing. 1990: L.D.S. Winter reviewed the Sandy Lake properties for Goldeye Explorations. 2002: Goldeye Explorations Ltd. conducted stripping, mapping, sampling, and loop EM surveys. 2015: GPM Metals Inc. conducted prospecting and a magnetic/VTEM survey.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
---|---|---|
RL 53F03SW / 2.28149 | 53F03SW2001 | Open |
2.56795 | 20000014175 | Open |
2.57530 | 20000013595 | Open |
Province: Superior
Subprovince: Sachigo
Belt: Sandy Lake
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship |
---|---|---|---|---|
mafic metavolcanics | 1 | |||
metasedimentary | 2 | quartzite | near |
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Habit Description |
---|---|---|---|---|---|---|---|
1 | pyrrhotite | economic | ore | ||||
2 | pyrite | economic | ore | ||||
3 | sphalerite | economic | ore | ||||
4 | chalcopyrite | economic | ore |
01/09/2012 (A Mckee) - 2.07% Zn and 0.17% Cu highest values returned 13 grab and chip samples were collected from the showing
08/16/2019 (T Pettigrew) - The mineralization is hosted in a 2-5 m thick cherty exhalate which lies within a 16 m thick unit of volcanosediments. These sediments are generally within a basaltic sequence of flows and are positioned either just below or just above a 40 m thick unit of feldspathic quartzites. The cherty exhalate is sulphide-bearing, with pyrrhotite, pyrite sphalerite and chalcopyrite, and is interbanded with barren, biotite-rich sediment of intermediate composition. The overall bedding trend is 130 to 140 degrees with dips 70-80 NE. The Zn mineralization seems to be folded or bent at an inferred small fault (not exposed) at the east-end of the blasted pit. The bedding within the mineralization turns, within 5 m, from 130 to 090 to 070. The mineralization does not continue east of a 1 m wide unexposed depression (inferred fault location). The mineralization, pyrrhotite, pyrite, sphalerite and chalcopyrite is conformable. The sulphides occur within chert as fine disseminations, discrete layers, and fracture fillings. Traces of chalcopyrite and pyrrhotite were also noted in a 10 cm wide quartz band near the north end of the showing. Some 13 grab and chip samples were collected from the showing. Results range up to 2.07% Zn and 0.17% Cu. One anomalous gold value of 157 ppb was also returned (Assessment report 53F03SW2001).
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