Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52A05SW00021

Record: MDI52A05SW00021

General

Mineral Record Identification
Record Name(s) Dawson Lodes - 1884, Mining Location R 64 - 1884, Silver Centre - 1890
Related Record Type Partial
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1991-Mar-05
Date Last Modified 2022-May-30
Created By
Revised By

Commodities

Primary Commodities: Silver

Secondary Commodities: Zinc, Fluorite, Lead



Location

Township or Area: Lybster

Latitude: 48° 15' 5.43"    Longitude: -89° 51' 36.52"

UTM Zone: 16    Easting: 287695   Northing: 5348210    UTM Datum: NAD83

Resident Geologist District: Thunder Bay South

NTS Grid: 52A05SW

Point Location Description: Transfer

Location Method: Conversion from MDI

Access Description: Proceed west on Hwy. 11-17 to Hwy. 588. Turn left onto Hwy. 588 and proceed west to Nolalu. At Nolalu, turn left (south) over the bridge onto the 2nd sideroad just past the general store. Proceed 5.0 km to intersection with Old Silver Mountain Road. Turn right onto Old Silver Mountain Road and continue west for 1.7 km to a Y in the road. Keep to right branch and proceed for 1.9 km to an abandoned farm. Park vehicles, then follow trail west over broken bridge towards Silver Mountain for 760 m. Approx. 160 m pas small creek, the shaft can be seen on south side of the trail.



Exploration History

1885: veins were discovered by S. Dawson and A. Russell. 1886-88: stripping took place. 1890: Silver Centre Mining Company of Ontario held the property. A shaft, crosscut, and trench were developed. 1892: the mine was idle.


Geology

Province: Southern

Formation Group: Animikie Group

Geological Age: Paleoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Ironstone-unsubdivided 1 Adjacent
Vein 2 Host

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1ArgentiteEconomicOre
2CalciteEconomicOre
3FluoriteEconomicOre
4GalenaEconomicOre
5PyriteEconomicOre
6SphaleriteEconomicOre
1QuartzEconomicGangue
2BariteEconomicGangue

Mineralization Comments

Feb 06, 2018 (Therese Pettigrew) - Several large veins occur on mining location R 64. They vary in width from 3 to 8 feet. In the veins various forms of quartz preponderate and are accompanied in places by varying proportions of green fluorite, calcite, and occasionally a little barite. At one exposure, a vein consists almost entirely of solid vitreous quartz, and has a marked, banded or "combed" appearance due to different-coloured layers (amethyst, white, translucent, etc). The fluorite seems to have been mostly deposited between the irregular surfaces of these layers. The metallic minerals sphalerite, galena, and pyrite occur occasionally, in disseminated grains, and in the case of pyrite also as very thin films coating cleavage planes, jointing, etc. The enclosing rocks are of Animikie iron formation (Tanton, 1931). It was reported that there are traces of silver in the veins on the property.



Mineral Record Details

Classification
RankClassification            
1 Vein
Characteristics
Rank Characteristic            
1 Vein

References

Book - Fort William and Port Arthur, and Thunder Cape Map-area, Thunder Bay District, Ontario; Geological Survey of Canada, Memoir 167

Publication Number: GSC Memoir 167 Page: 118-119  Date: 1931

Author: Tanton, T.L.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/100799


Map - Kakabeka Sheet, Thunder Bay District, Ontario

Publication Number: Map 213A Scale: 1:63,360    Date: 1928

Author: Tanton, T.L.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/107463


File - Hazard files, Thunder Bay Mineral department

Publication Number: Date: 1996

Author:

Publisher Name:

Location: Thunder Bay RGP


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