Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000001127

Record: MDI000000001127

General

Mineral Record Identification
Record Name(s) Canamax Geddes Lake - 1982
Related Record Type
Related Record(s)
Record Status Occurrence
Date Created 2011-Mar-18
Date Last Modified 2023-Aug-03
Created By
Revised By

Commodities

Primary Commodities: Gold, Zinc



Location

Township or Area: Max Lake Area

Latitude: 49° 8' 40.7"    Longitude: -89° 20' 38.09"

UTM Zone: 16    Easting: 329064   Northing: 5446180.01    UTM Datum: NAD83

Resident Geologist District: Thunder Bay South

NTS Grid: 52H03NW

Point Location Description: field visit with GPS

Location Method: Field Visit with GPS

Access Description: The Geddes Lake occurrence is located in the Max Lake Area, approximately 100 km north of the City of Thunder Bay. Access to the site is obtained by travelling north via Highway 527 approximately 85 km to a secondary logging road. The occurrence is located approximately 250 m east of the highway and to the north of the logging road.



Exploration History

1958: Several airborne conductors were drilled by F.H. Jowsey Ltd. without intersecting anything of economic importance. 1982-88: Trenching, line cutting, geological mapping, ground geophysical surveys and diamond drilling (24 DDH totaling 1034.8 m) by Canmax Resources Inc. 1990: Sampling of historic drill core, ground VLF and magnetic surveys, prospecting, soil geochemical survey, assays by Metalstake Resources. 1997-98: Prospecting, trenching, diamond drilling, sampling and assays by W. Gilbert and D. Gillis.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
2.14182 52H03NW0003 52H03NW0003
29 52H03NW0005 52H03NW0005
28 52H03NW0007 52H03NW0007
2.8130 52H03NW0010 52H03NW0010
27 52H03NW0011 52H03NW0011
2.19011 52H03NW2003 52H03NW2003
2.19218 52H03NW2002 52H03NW2002
63.5955 52H03NW0002 52H03NW0002
2.6986 52H03NW0012 52H03NW0012
2.9506 52H03NW0009 52H03NW0009

Geology

Province: Superior

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Ironstone-unsubdivided 1 Adjacent
Vein 2 Quartz Host
Mafic lava flow-unsubdivided 3 Adjacent

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyrrhotiteEconomicOre
2PyriteEconomicOre
3ChalcopyriteEconomicOre
4MagnetiteEconomicOre
5SphaleriteEconomicOre
1ChertEconomicGangue

Mineralization Comments

Mar 18, 2011 (J Scott) - 0.50 oz/t Au in quartz veins cutting iron formation


Nov 28, 2017 (Mark Puumala) - The following description of the Geddes Lake gold showing is excerpted from AFRI 52H03NW0010: The main showing is auriferous iron formation located at or near the contact of the metavolcanics and metasediments. The surface expression is approximately 2 to 3 m wide and consists of 3 distinct units: a vein quartz unit with pyrite, a chert (+ minor pyrrhotite) unit and a banded magnetite unit. The showing has a surface strike length of approximately 100 m and a probable strike length of 1500 m. The iron formation strikes approximately N60E and dips steeply to the north. Mineralization occurs mainly as pyrrhotite and pyrite with trace to minor amounts of chalcopyrite. Arsenic assays show very few samples to carry more than 10 ppm with the majority being less than 5 ppm. Anomalous gold assays are associated with the iron formation which returned assays up to 5.45 ppm over 1.55 m in drill core and up to 16.7 ppm in grab samples from the trenches.


Nov 28, 2017 (Therese Pettigrew) - Egner and Curran report assays of 2900 ppm and over 10,000 ppm Zn from a vein in DDH x-23-2 (AFRI 52H03NW0003).



Mineral Record Details

Classification
RankClassification            
1 Lode (Gold)

Site Visit Information

Date: Sep 06, 2018

Geologist: Therese Pettigrew

Notes: The showing was visited on Aug 31/18 by RGP staff M. Puumala and T. Pettigrew. Three of the four Canamax trenches were located. Trench T-1 is at NAD83 UTM Zone 16 329039 m E, 5446168 m N. Trench T-2 (the largest trench and the main showing) is at NAD 83 UTM Zone 16 329064 m E, 5446180 m E. Trench T-4 is at NAD 83 UTM Zone 16 329124 m E, 5446203 m N. The vein in T-3 is hosted in sheared mafic metavolcanics that have strong carbonate alteration and abundant pyrite which occasionally had a sugary texture. In T-4, the zone is hosted in an iron formation that contains some magnetite. Quartz bands contained sulphides. Samples taken by M. Puumala from the main trench (T-2) assayed up to 0.058 oz/t Au (1.80 g/t Au).



References

MonoMap - Geology of Lac des Iles area, District of Thunder Bay

Publication Number: R064 Date: 1968

Author: Pye E.G.

Publisher Name: Ontario Dept. of Mines

Location:


Article - Thunder Bay Resident Geologist's District-1991

Publication Number: MP158.005 Page: 96  Date: 1997

Author: Lavigne Jr. M.J., Scott J.F., Sarvas P.

Publisher Name: Ontario Geological Survey

Location:


Mono - Report of Activities 2009, Resident Geologist Program, Thunder Bay South Regional Resident Geologist Report: Thunder Bay South District

Publication Number: OFR6246 Page: 49  Date: 2010

Author: Scott J.F., Campbell D.A., Lockwood H.C., Brunelle M.R., Pelaia R.

Publisher Name:

Location:


Mono - Iron deposits of Ontario

Publication Number: MDC011 Page: 427  Date: 1968

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