Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42B01NE00017

Record: MDI42B01NE00017

General

Mineral Record Identification
Record Name(s) Montgomery Lake No. 2 - 1955, Montgomery Lake (ML-3) - 1993
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1992-Sep-14
Date Last Modified 2022-May-11
Created By
Revised By

Commodities

Primary Commodities: Asbestos

Secondary Commodities: Iron



Location

Township or Area: Penhorwood

Latitude: 48° 7' 52.61"    Longitude: -82° 3' 45.82"

UTM Zone: 17    Easting: 420927.12   Northing: 5331437.75    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 42B01NE

Point Location Description: Collar location (DDH ML3) transferred from company plans to OBM 1:20,000 topographic map.

Location Method: Data Compilation

Access Description: Access is relatively difficult though the occurrence is within 2km of the Penhorwood Main Haul road. Some old, overgrown, winter drill trails come to within 300m of the collar and connect to a road network east of the Nat River. This 5km long road network connects with the Penhorwood main haul road.



Exploration History

1955 Canadian Johns Manville extended their regional asbestos exploration program to cover the area. Work consisted of magnetic surveying combined with geological mapping. Seven drill holes totalling 860m tested targets generated in the initial work and in one hole intersected minor asbestos mineralization. 1991 Falconbridge carried out a magnetic and HL electromagnetic survey which covered the showing. In the following year a humus geochemical sampling program was carried out. 2005: Golden Chalice Resources Inc. – AEM, AMag. 2007: Golden Chalice Resources Inc. – AEM, AMag.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
T-506 / 63.469 42B01NE0124 42B01NE0124
T-506 / 63.469 42B01NE0600 42B01NE0600
T-3455 / 2.14147 42A04NW0107 42A04NW0107
T-5457 / 2.33264 20000002366 20000002366
T-5787 / 2.39760 20000003351 20000003351
T-506 / 42B01NE0137 42B01NE0137
T-3455 / 2.14749 42B01NE0078 42B01NE0078

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Swayze

Geological Age: Neoarchean  

Metamorphism Type: Regional

Metamorphism Grade: Greenschist



Geology Comments

Dec 07, 2005 (A Wilson) - Iron formation and metavolcanic country rocks are intruded by highly carbonatized serpentinite and amphibolite. Outcrop in the area is very sparse.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Peridotite 1 Peridotite Host
Ironstone-unsubdivided 2 Near

Lithology Comments

Dec 07, 2005 (S Fumerton) - The mineralization is hosted in a serpentinized peridotite which is slightly carbonatized. Within the serpentinized peridotite, magnetite commonly forms streaks and high concentrations. The peridotite forms a plug that has intruded into a sequence of felsic meta volcanics.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1AsbestosEconomicOre
2PyriteEconomicOre
3PyrrhotiteEconomicOre
SerpentineAlterationSerpentinization1MediumReplacement

Mineralization Comments

Dec 07, 2005 (S Fumerton) - A number of fibrous asbestos veins with widths up to 5mm occur and form about 0.5% of the rock over 10m.


Feb 23, 2016 (A Wilson) - The drill hole cut two serpentinite sections of 1 foot and 2 feet containing minor fibre.



Mineral Record Details

Classification
RankClassification            
5 Replacement
Characteristics
Rank Characteristic            
5 Stockwork

Mineral Zones - Size and Shape

Zone Name: Detour Lake - Rank 1
Shape Length Thickness Depth Strike Dip Plunge Trend Age Reference
Unknown 10 N/A N/A

References

Map - Penhorwood Township, District of Sudbury

Publication Number: P0419 Scale: 1:15,840    Date: 1997

Author: Milne V.G.

Publisher Name: Ontario Dept. of Mines

Location:


Publication - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario

Publication Number: GSC OF 1087 Date: 1985

Author: Rose, D.G.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/129999


Map - Geological series, Operation Chapleau, Horwood Lake sheet, districts of Algoma, Cochrane, and Sudbury

Publication Number: P0673 Scale: 1:126,720    Date: 1997

Author: Thurston P.C., Siragusa G.M., Sage R.P.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:


Map - Penhorwood and Kenogaming townships, Sudbury District

Publication Number: M2231 Scale: 1:31,680    Date: 1972

Author: Milne V.G.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:


Map - Precambrian Geology, Northern Swayze Greenstone Belt

Publication Number: M2627 Scale: 1:50,000    Date: 1995

Author: Ayer J.A.

Publisher Name: Ontario Geological Survey

Location:


File - Resident Geologist files 1980, air photos

Publication Number: Date: 1996

Author:

Publisher Name:

Location:


MonoMap - Geology of the Kukatush-Sewell Lake area, District of Sudbury

Publication Number: R097 Page: 74  Date: 1972

Author: Milne V.G.

Publisher Name: Ontario Division of Mines

Location:


MonoMap - Geology of the Chapleau area, districts of Algoma, Sudbury, and Cochrane

Publication Number: R157 Date: 1977

Author: Thurston P.C., Siragusa G.M., Sage R.P.

Publisher Name: Ontario Division of Mines

Location:


MonoMap - Mineral Prospects of the Swayze Greenstone Belt (Volume 1, Parts of NTS 41 O and Volume 2, Parts of NTS 41 P, 42 A and 42 B)

Publication Number: OFR5912 Page: 571-572  Date: 1995

Author: Fumerton S.L., Houle K.A.

Publisher Name: Ontario Geological Survey

Location:


Book - Penhorwood Township - unpublished GDIF

Publication Number: GDIF Date: 1993

Author: Resident Geologist Staff

Publisher Name:

Location: Timmins RGP


Mono - Industrial minerals of northern Ontario

Publication Number: MDC026 Page: 95  Date: 1985

Author: Vos M.A., Abolins T., McKnight R.L.W., Smith V.

Publisher Name: Ontario Geological Survey

Location:


MonoMap - Precambrian Geology, Northern Swayze Greenstone Belt

Publication Number: R297 Date: 1995

Author: Ayer J.A.

Publisher Name: Ontario Geological Survey

Location:


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For detailed information regarding this mineral record please contact the Timmins Resident Geologist District Office