Mineral Deposit Inventory for Ontario

Ministry of Energy, Northern Development and Mines

Permanent Link to this Record: MDI52K15NE00013

Deposit: MDI52K15NE00013

General

Mineral Deposit Identification
Deposit Name(s) Slate Lake Cu-zn-ag - 1980
Related Deposit Type None
Deposit Status occurrence
Date Created 1991-Mar-22
Date Last Modified 2019-Apr-10
Created By Q Unknown
Revised By T Pettigrew

Commodities

Primary Commodities: copper, zinc, silver

Location

Township or Area: Slate Lake Area

Latitude: 50° 58' 17.08"    Longitude: -92° 35' 18.62"

UTM Zone: 15    Easting: 528892   Northing: 5646726    UTM Datum: NAD83

Resident Geologist District: Red Lake

NTS Grid: 52K15NE

Point Location Description: Precise

Location Method: data compilation

Source Map: P2407

Sources Map Scale: 1:15 840

Access Description: 60 km North east of Ear Falls and 90 km East of Red Lake. Access to the property area is provided by an all-weather logging road to within 0.5 km of Slate Lake and then by boat or snowmobile.

Exploration and Mining History

1979: St Joseph Exploration Ltd. Carried out a regional airborne survey, geological mapping, magnetometer and HLEM surveys and drilled 4 DDH. 1994: Cumberland Resources carried out a reconnaissance geological mapping survey in addition to whole-rock geochemistry and a 24 km Crone PEM survey. 1996: a diamond drill program consisting of one hole for a total of 313.64 m was carried out by Cumberland Resources Ltd.

Assessment Work on File

Assessment Work on File
Office File Number   Online Assessment File Identifier   Online Assessment File Directory  
OM94-059     52K15NE2003     Open
14     52K15NE0028     Open
2.2973     52K15NE0022     Open
2.16109     52K15NE0004     Open
2.2758     52K15NE0024     Open
2.16340     52K15NE0003     Open

Geology

Province: Superior

Subprovince: Uchi

Belt: Birch-uchi

Geological Age: Archean   

Mineral Deposit Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
intermediate metavolcanics 1 dacitic tuff host
felsic metavolcanics 2

Mineralization

Deposit Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Habit Description
1 chalcopyrite economic ore
2 pyrite economic ore
3 pyrrhotite economic ore
4 sphalerite economic ore

Mineralization Comments

02/07/2012 (A Mckee) - DDH 3191-2-80 returned assays of 9.06% Zn, 0.51% Cu and 1.16 g/t Ag over 0.09 m (Assessment report 52K15NE0028).

04/10/2019 (T Pettigrew) - Four closely-spaced holes were drilled in 1879-80. DDH 3-79 encountered a banded massive sulphide horizon at a vertical depth of 50 m which assayed 1.84% Cu and 5.84% Zn over 0.5 m. DDH 8-79 was drilled 20 m below DDH 3-79 and intersected 11.6% Cu, 8.36% Zn, ad 3.42 oz/t Ag over 0.25 m. DDH 1-80 was drilled 45 m below hole 8-79 and encountered 8.70% Cu, 7.05% Zn and 2.17 oz/t Ag over 0.5 m. DDH 2-80 was located 100 m west and intersected 0.52% Cu and 1.75% Zn over 0.6 m. The drillholes intersected a massive sulphide horizon which is defined by a 900 m long HLEM anomaly (Assessment report 52K15NE2003).

Mineral Deposit Details

Deposit Classification
Rank Classification            
1 vms base metal

References

Map - Precambrian Geology Of The Slate Lake Area - West

Publication Number: P2407     Scale: 1:15 840    Date: 1981

Publisher Name: OGS


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Ministry Contact Information

For detailed information regarding this mineral deposit please contact the Red Lake Resident Geologist District Office