Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41P12SW00136

Record: MDI41P12SW00136

General

Mineral Record Identification
Record Name(s) Cyril Young - 1934, Gogama Resources Area 3 - 1984
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 2000-Mar-16
Date Last Modified 2022-Jul-15
Created By
Revised By

Commodities

Primary Commodities: Gold, Copper



Location

Township or Area: Chester

Latitude: 47° 32' 43.82"    Longitude: -81° 55' 37.89"

UTM Zone: 17    Easting: 430230.57   Northing: 5266203.69    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 41P12SW

Point Location Description: Trenches

Location Method: Field Visit with GPS

Access Description: Easy access is possible via the Chester access road which branches off the Sultan haul road. Some 8 km north along this road there is a series of secondary logging roads which connect from the east. The northern most road of this set, and the last before the Mollie River ford, terminates near the showing.



Exploration History

1933: Young - sampling. 1965: Chester Minerals - property description. 1979: Canadian Crest Gold Mines Ltd. - airborne magnetic and radiometric survey, stripping, trenching. 1984: Gogama Resources - mapping, IP survey, diamond drilling. 1987: Blanchard - diamond drilling. 2010: Trelawney Mining and Exploration Inc. - AEM, AMag. 2011: Trelawney Mining and Exploration Inc. – DD – 10 – 6037m


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
T-1751 / 2.3181 41P12SW0083 41P12SW0083
T-1751 / 2.2731 41P12SW0089 41P12SW0089
T-2945 / 2.7838 41P12SW0065 41P12SW0065
T-6382 / 2.50730 20000007118 20000007118
T-6384 / 2.50729 20000007118 20000007118
T-3028 / 41P12SW0059 41P12SW0059
T-2023 / 63A.470 41P12SW8459 41P12SW8459
T-2945 / 41P12SW0072 41P12SW0072
T-1751 / W8006-00053 41P12SW5142 41P12SW5142

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Swayze

Geological Age: Neoarchean   Geochronological Age: 2740 MA   Geochron. Age Ref.: GSC OF 3384 G



Geology Comments

Dec 07, 2005 (A Wilson) - A 0.6 to 1.5 m wide shear zone is located on the contact of a diorite inclusion.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Granodiorite 1 Host
Diorite 2 Diorite Host
Vein 3 Quartz Host
Vein 4 Quartz Vein Host

Lithology Comments

Dec 07, 2005 (A Wilson) - The mineralization is located on the contact of a dioritic inclusion within the Chester Granitoid Complex granodiorite. Sericite alteratio has been reported within the shear zone that cuts the outcrop.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1ChalcopyriteEconomicOre
1PyriteEconomicGangue
2HematiteEconomicGangue
3GoethiteEconomicGangue
SericiteAlterationSaussuritization1WeakReplacement

Mineralization Comments

Dec 07, 2005 (A Wilson) - Coarse disseminated pyrite and chalcopyrite occur within the shear zone. A number of small quartz stringers also occur within the shear zone. Grab samples taken in 1933 returned assays of 53 g/t Au, 63 g/t Au, 125 g/t Au and 300 g/t Au. One additional sample returned a value of 4.8% Cu. Grab samples collected by Gogama Resources returned between trace and 5.7 g/t Au.


Oct 17, 2013 (P Bousquet) - - Samples taken from the trenches returned assays of up to 0.167 oz/t (T-2945 / 2.7838). The sample shows quartz stringers with 2% pyrite within the silicified trondhjemite.



Mineral Record Details

Classification
RankClassification            
1 Mesothermal
Characteristics
Rank Characteristic            
1 Sheared

Mineral Zones - Size and Shape

Rank: 1       Structure Type: Shear

Zone Name: Detour Lake - Rank 1
Shape Length Thickness Depth Strike Dip Plunge Trend Age Reference
Tabular 1 275 70

References

Map - Geological series, Precambrian geology of Chester and Yeo townships, and parts of Neville and Potier townships, Jerome area, Sudbury District

Publication Number: P2449 Scale: 1:15,840    Date: 1981

Author: Siragusa G.M.

Publisher Name: Ontario Geological Survey

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: 465-466  Date: 1995

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

Publisher Name: Ontario Geological Survey

Location:


Map - Precambrian Geology, Parts of Chester, Neville, Potier and Yeo Townships

Publication Number: OFM0214 Scale: 1:15,840    Date: 1993

Author: Siragusa G.M.

Publisher Name: Ontario Geological Survey

Location:


Map - Geology, Swayze greenstone belt, Gogama, Ontario

Publication Number: OF3384G Scale: 1:50,000    Date: 1999

Author: Heather, K B; Shore, G T

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/210455


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