Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52G13NW00003

Record: MDI52G13NW00003

General

Commodities

Primary Commodities: Gold

Location

Township or Area: Parnes Lake Area

Latitude: 49° 59' 27.11"    Longitude: -91° 54' 7.5"

UTM Zone: 15    Easting: 578698.61   Northing: 5538192.62    UTM Datum: NAD83

Resident Geologist District: Kenora

NTS Grid: 52G13NW

Point Location Description: Precise

Location Method: Conversion from MDI

Exploration History

1950: J.H. Kolak staked the claims and transferred them to J.L. MacDonald. An option agreement was signed with Central Manitoba Mines Ltd. 1950-51: Central Manitoba Mines carried out a magnetic survey, trenching, and drilled 24 X-ray holes (1226 m). 1958-62: J.L. MacDonald carried out trenching. 1963: Delnite Mines Ltd. completed 8 drill holes (877 m) on the west end of the island. 1983: Golden Range Res. completed 5 X-ray drill holes (177 m). 1984: Mid Canada Exploration completed a magnetic and VLF survey. 1990: Chester Kuryliw mapped and sampled the island and completed one drill hole. 2003-2005: Prospectors Glatz and Riives staked the majority of the island prospect previous showings and the shoreline. Ontario Exploration Corp. optioned the property and completed reconnaissance and trench scale mapping. 2006: Ginguro Exploration completed a program of line-cutting, magnetic and Induced Polarization surveys over 17 line-kilometres. 2007: Ginguro Exploration completed a program of trenching over surface showings. 2008: Between April and July Giguro drilled 12 holes over a 1.65 km strike length totalling 3 033 m with holes ranging between 92 to 308 m.

Assessment Work on File

Geology

Province: Superior

Subprovince: Wabigoon

Belt: Abram-Minnitaki Lakes

Geological Age: Archean  

Geology Comments

Apr 30, 2020 (Therese Pettigrew) - Neepawa Island lies on the northwestern side of the zone of deformation associated with the northeast-trending Ruby Island, East Bay and Twinflower Faults. Within this deformation zone, there appears to be a large scale "Z" fold with the southern half of the fold lying between the East Bay and Twinflower Faults. The northern half of the "Z" fold is not well defined, however, mapping by Ginguro on Neepawa Island suggests that within the central part of the island an early foliation S0 and/or S1 trends about 160° and dips vertically. The dominant foliation mapped by Ginguro trends approximately 050° and dips vertically to steeply north. This would be at least S2 and is parallel to sub-parallel to the two main faults to the south. As a result of these observed foliations, lithologic contacts between volcanic units are very difficult to determine. Taking into account these structural complexities, Neepawa Island contains two main lithologic domains, a northern one of strongly foliated intermediate to mafic metavolcanics and a southern one comprised of greywacke and slate. Within the property, felsic dykes of the quartz and/or feldspar porphyry type are present generally as small dyke-like bodies that parallel the foliation. They are commonly sericitized and may host veins and/or irregular masses of quartz. The metavolcanics and sediments are altered to greenschist facies grade of metamorphism (Assessment report 20000001180).

Lithology

Mineralization

Mineralization Comments

Apr 30, 2020 (Andrew Tims) - The mineralization, whether it be in mafic volcanics or diorite, consists of multiple sets of quartz veins which commonly are contained within an alteration halo of iron carbonate and coarse euhedral pyrite. Gold is present in both the quartz veins and the alteration halos, however, it appears that the high gold values are contained in the alteration halos. The gold mineralization is associated with elevated arsenic values. Gold values obtained in the Ginguro sampling program are very similar to those from the samples collected by the Property vendors. Gold values in the Ginguro samples ranged from 40 g/t gold to less than 0.010 g/t gold.

Apr 30, 2020 (Therese Pettigrew) - Sample 14-SRM-010 collected by OGS staff member S. Meade in 2014 from a point at UTM Zone 15, 579412 m E, 5538502 m N returned 3543 ppb Au from altered diorite (Meade, 2016). The main showing occurs in heavily sheared, pyritized, and carbonatized agglobmerate and andesite. Quartz veinlets strike in a NW direction and in places crosscut the schistosity, which strikes about S85E and dips steeply north. The gold mineralization is associated with these stringers and with pyrite (Johnston, 1972). E.O. Chisholm described the showing as a band of mineralized andesite cut by narrow quartz stringers up to 3 inches wide. The quartz stringers carry native gold. The walls of the stringers are well mineralized with cube pyrite, which also carries gold. Mineralization consists mainly of cube pyrite, with a small amount of chalcopyrite and galena in the quartz. The alteration is chiefly silicification with some carbonatization. A piece of mineralized andesite containing 50% pyrite was reported to assay $43 per ton Au (1.23 oz/t Au based on $35 gold) (Assessment report 52G13NW0022).

Mineral Record Details

References

Map - Abram Lake area (west part), District of Kenora

Publication Number: P0421 Scale: 1:15,840    Date: 1997

Author: Johnston F.J.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Geology of the Vermilion-Abram lakes area, District of Kenora

Publication Number: R101 Scale:     Date: 1972

Author: Johnston F.J.

Publisher Name: Ontario Division of Mines

Location:

Mono - Recent activities in the Sioux Lookout area

Publication Number: PR1951-01 Scale:     Date: 1998

Author: Chisholm E.O.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Geology of the Flying Loon Lake area, District of Kenora

Publication Number: R224 Scale:     Date: 1983

Author: Trowell N.F., Bartlett J.R., Sutcliffe R.H.

Publisher Name: Ontario Geological Survey

Location:

Mono - Gold deposits of Ontario, part 1, districts of Algoma, Cochrane, Kenora, Rainy River, and Thunder Bay

Publication Number: MDC013 Scale:     Date: 1971

Author: Ferguson S.A., Groen H.A., Haynes R.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:

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