Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52A15SE00022

Record: MDI52A15SE00022

General

Mineral Record Identification
Record Name(s) Santack Lead - 1970, W. Acker - 1970
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1991-Mar-15
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Zinc, Lead, Copper

Secondary Commodities: Silver



Location

Township or Area: Glen

Latitude: 48° 51' 22.6"    Longitude: -88° 42' 23.1"

UTM Zone: 16    Easting: 374832   Northing: 5412883    UTM Datum: NAD83

Resident Geologist District: Thunder Bay South

NTS Grid: 52A15SE

Point Location Description: Map of trenches in report in Thunder Bay mineral deposit files

Location Method: Data Compilation



Exploration History

1969: W. Acker staked the property and transferred it to Santack Mines Ltd, who carried out stripping, trenching, sampling and magnetometer and VLF-EM surveys. 1971: Santack Mines drilled 1 DDH totalling 82.3 m.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
10 52A15SE0004 52A15SE0004
2.432 52A15NE8102 52A15NE8102

Geology

Province: Southern

Subprovince: Nipigon Basin

Formation Group: Sibley Group

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Terrigenous-Clastic-Unsubdivided 1
Diabase 2 Diabase Dyke Host

Lithology Comments

Feb 24, 2020 (Therese Pettigrew) - The main lithology is red Sibley mudstones and sandstones. Several small diabase dykes parallel a major fault or shear structure that strikes N80E (Thunder Bay Mineral Deposit files).




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1GalenaEconomicOre
2ChalcopyriteEconomicOre
3MalachiteEconomicOre
4SphaleriteEconomicOre
1BariteEconomicGangue
2CalciteEconomicGangue
3QuartzEconomicGangue

Mineralization Comments

Feb 24, 2020 (Therese Pettigrew) - The mineralization appears to relate to the contact between the sandstones and diabase and parallels the fault on the south side. The major zone comprises a calcite-barite vein carrying copper and lead mineralization over widths from 2 inches to 4 feet and a surface length of about 100 feet. This strikes N80E and appears to dip vertically. The mineralization is in the form of galena cubes and crystals, usually massive, in a calcite and barite gangue. The copper mineralization is in the form of chalcopyrite, with a little malachite, occurring with quartz in fissures alongside or between the barite and calcite. These veins cut the Sibley mudstones conformably with the faulting system, and diabase dyklets with which they are associated, at a steep dip and strike roughly N80E. Samples returned 4.62% Pb, 15.30% Pb, 20.49% Pb, and 57.21% Pb, as well as 0.42 oz/t Ag, 2.05% Cu, and 2.58% Zn (report in Thunder Bay Mineral Deposit files).



Mineral Record Details

References

Map - Geological series, Dorion-Wolf Lake area (western part), District of Thunder Bay

Publication Number: P0994 Scale: 1:15,840    Date: 1975

Author: McIlwaine W.H., Tihor L.A.

Publisher Name: Ontario Division of Mines

Location:


Mono - Copper, nickel, lead and zinc deposits of Ontario

Publication Number: MDC012 Scale:     Date: 1969

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


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For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office