Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000000545

Record: MDI000000000545

General

Commodities

Primary Commodities: Gold

Location

Township or Area: Bernhardt

Latitude: 48° 12' 18.83"    Longitude: -80° 1' 32.97"

UTM Zone: 17    Easting: 572380   Northing: 5339569.996    UTM Datum: NAD83

Resident Geologist District: Kirkland Lake

NTS Grid: 42A01NE

Point Location Description: Stripped outcrop

Location Method: Field Visit with GPS

Access Description: The Goodfish Lake Property is located approximately 5 kilometers due north of Kirkland Lake, Ontario, and in southeast quadrant of Bernhardt Township and southwest quadrant of Morrisette Township. The property is comprised of eight mining claims consisting of twenty-one units and includes the extreme northwest portion of Goodfish Lake. Access can be made by water across Goodfish Lake by taking a boat or canoe directly onto the property. To access the north half of the property take Goodfish Road out of Kirkland Lake towards the Kirkland Lake airport for 6.0 km to where it meets Harvey Drive leading off to the west. Follow Harvey Drive for 1.0 km to the west, continue past Bernhardt Drive, to where the road ends at the last residence near the east boundary of the property. Follow a path leading north over a rugged outcrop to where northwest trending grid lines have been established on the property. The northern part of the property is also accessible west from the Dorothy l Lawgrave Lakes access road at a point approximately 1 km north of the Kirkland Lake airport turnoff.

Exploration History

1984: Nova Beaucage Mines Limited held a group of claims which included the present O'connor Goodfish Lake property, and the Kirana Gold Mines property to the south in Teck Township. An exploration program included gridding, ground geophysical surveys that consisted of total field magnetic and VLF EM surveys. Detailed geological mapping and sampling was completed with the best grab sample assaying 40 ppb Au taken from an old trench. 1988: Minnova Inc. held the same property as Nova Beaucage Mines Ltd. Minnova completed only limited work on a small part of the present O'Connor property that included some gridding and ground magnetic surveying. 1995: surface exploration program by F.T. O'Connor of overburden stripping and cleaning the exposed bedrock was conducted on the Goodfish Lake Property. 1997-1998: F.T. O'Connor completed IP over Area A and diamond drilled 2 holes totaling 994 feet. 2006: Surface assaying by T.A. O'Connor.

Assessment Work on File

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Tectonic Assemblage: Blake River

Geological Age: Archean  

Lithology

Lithology Comments

May 08, 2008 (D Guidon) - from assessment file 42A01NE2029 The geology of the stripped area A is underlain by a sequence of coarse grained crystalline basalt flows that are massive gabbroic looking on the west side of the exposed bedrock. A basalt volcaniclastic tuff-breccia with a fine grained granular matrix carrying mafic rock chips and rounded rubble blocks of the coarse basalt gabbroic looking flow material occurs as a narrow wedge-shaped thin horizon near the center of the exposed outcrop. On the eastern side and to the north of the exposed outcrop the volcanics tend to be fine to medium grained basalt flows, with minor white 1 mm feldspar porphyritic basalt, a variation occurring only locally. The sequence appears to be striking in a northeast direction approximately the 040 degrees bearing of the narrow basalt tuff-breccia horizon. Dip orientations of lithologic units were not readily observed. Intrusive to and cutting all the volcanic lithologies is a 1m wide felsite dyke striking approximately 010 degrees and steeply dipping 80 degrees to the east. The felsite dyke is buff tan to pinkish grey on the weathered surface. On fresh surfaces the felsite consists of a fine grained crystalline pink ground mass, containing green mafic wisps and white plagioclase 1-2 mm lathes imparting a weak porphyritic texture. This rock is most likely syenite in composition. Finely disseminated magnetite occurs throughout the rock imparting a weak but definite magnetic response of 0.7 to 1.0 c.g.s. units on a Scintrex SM 5 magnetic susceptibility meter. The volcanic sequence has been structurally disrupted resulting in two main sets of narrow shearing and/or faulting. Accompanying and local to the shearing is rusty carbonate alteration of the basalt, white carbonate stringers, and finely disseminated pyrite. A narrow fault plane with 0.1 to 0.5 m of heavy shearing strikes 025 degrees and dips 68 degrees to the northeast and cuts the length of the exposure. A splay or conjugate shear or fault set that is approximately 2.0m thick and is a rusty Fe carbonate rubbly shear branches off the main structure. On the east (footwall) side of the main structure near the center of the outcrop, this splay shear strikes at 050 degrees and dips 70 degrees to the northeast. At the south end of the outcrop it appears that this splay continues on the hanging wall west side of the main structure over several metres in sheared basalt, where it disappears into the water filled area and overburden to the southwest. The shear orientation here is approximately 040 degrees and dips 75 degrees north. The felsite dyke is a late stage intrusive as it clearly cuts across the structural shearing and faulting fabric, i.e. post tectonic dyke. Associated weak shearing striking 300 degrees and dipping 60 degrees north and fracture sets at 300 degrees and 230 degrees and steeply dipping (90 degrees) are also present, away from the main structural elements. This shearing and fractures are also rusty and carry fracture related pyrite and disseminated pyrite in the altered basalt. Trace chalcopyrite and malachite staining was observed near the center of the outcrop in this 300 degrees shear set.

Mineralization

Mineralization Comments

Nov 10, 2022 (D Guidon) - 1995: The one area of significance was designated as stripped Area A. Assay results revealed a low of 3 ppb Au with a high of 3621 ppb Au over 1.0 m. 1998: The best intersection was 2086 ppb Au over 5.0 feet in hole FTO-98-1. 2006: Surface sampling results include 1.07 g/t Au over 0.5 m and 1.62 g/t Au over 0.5 m.

Mineral Record Details

References

Map - Bernhardt and Morrisette townships, Timiskaming District

Publication Number: M2193 Scale: 1:31,680    Date: 1970

Author: Rupert R.J., Lovell H.L.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Geology of Bernhardt and Morrisette townships

Publication Number: R084 Date: 1970

Author: Rupert R.J., Lovell H.L.

Publisher Name: Ontario Dept. of Mines

Location:

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Ministry Contact Information

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