Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52F03NE00046

Record: MDI52F03NE00046

General

Commodities

Primary Commodities: Gold, Silver

Location

Township or Area: Vista Lake Area

Latitude: 49° 6' 59.56"    Longitude: -93° 2' 4.86"

UTM Zone: 15    Easting: 497469.137   Northing: 5440412.28    UTM Datum: NAD83

Resident Geologist District: Kenora

NTS Grid: 52F03NE

Point Location Description: Transfer

Location Method: Conversion from MDI

Access Description: The Grave Lake/Vickers Lake Property is situated in the Kenora Mining District occupying the northeast, southeast, southwest and northwest comers of the Sakwite Lake (G-2697), Napanee Lake (G-2690), Vista Lake (G-270l) and Mang Lake (G-2685) areas, respectively. The property co-ordinates are approximately 49�08' latitude and 93�00' longitude (NTS map sheet 52 F/3). The Grave Lake Property is located approximately halfway between Fort Frances and Dryden on Highway 502. The property can be accessed via Grave Road, which extends west from Highway 502, intersecting the southern boundary approximately 3 km along the logging road and bisecting the entire property. Clear cuts and various secondary and tertiary logging roads cover the southern claim block. The northern claim block is scheduled to be clear cut from November 2000 to March 2001, but currently has a skidder trail running through it - giving access to the old shaft. (C. Fratten, Assessment File F/3 SE S-1, p.1, Kenora Resident Geologist Office)

Exploration History

1911: showings in the area first described by Parsons. 1984: Northair Mines Ltd. carried out geological mapping, sampling, grid cutting and drilling. 1989-91: Wellington Cove Explorations Ltd., performed geological, geochemical and geophysical surveys on the property and a 13-hole diamond drill program.

Lithology Comments

Feb 19, 2010 (C Ravnaas) - The current program involved attempts to verify the assay numbers reported by Parsons (1911) and the exploration programs of Northair Mines, and efforts to prospect for new showings within the claim blocks. Other areas of interest within the claim blocks were also prospected, including the ravine in the area ofthe historical Angove occurrence, the shoreline north of the old shaft, and various portions of Grave road. Stripping operations, using hand tools and water pumps, were conducted on a new potential showing at the intersection of Grave creek and Grave road, as well as in the region surrounding the old shaft near Vickers Lake. A pump was also used to drain the 705m deep shaft and wash off the moss covered walls. The walls were then sketch-mapped and sampled. The property is located in the Vista Lake area of the Archean age Western Wabigoon Subprovince, Superior Province. The area encompasses the Manitou-Stormy Lakes greenstone belt to the northeast, the Pipestone-Cameron-Straw Lakes greenstone belt to the west, and the Otukamamoan-Pickwick greenstone belt to the southeast. The Pipestone-Cameron-Manitou Deformation Zone, a 200 kilometre wide regional shear system, transects the area in the northwest. This deformation zone encompasses numerous gold occurrences, former gold mines and the Cameron Lake deposit. Supracrustal rocks range from mafic to felsic volcanics, including flows, tuffs and pyroclastics. Metasedimentary rocks occur locally but are concentrated in the area of Esox Lake. They range from mudstones to clastics, and unconformably overlie the metavolcanics. The area is structurally complex, having been subjected to numerous folding and faulting events. The entire area is unconformably overlain by a thin veneer of unconsolidated Cenozoic sediments, comprising Pleistocene glacial deposits and recent stream and lake deposits. The majority of the rocks in the area consist of mafic volcanics of Archean age, altered to lower-middle greenschist facies and middle amphibolite facies near contacts with granitoid plutons and batholiths. The east side oft he property is bounded by Vickers Lake pluton, and to the west by Fahey Lake gabbro. Although the majority of the property is comprised of mafic volcanics, ranging from pillowed flows, flows and tuffs, many small gabbroic dikes and sills intrude the volcanic sequence. (C. Fratten, Assessment File F/3 SE S-1, p.1-4, Kenora Resident Geologist Office)

Mineralization Comments

Feb 19, 2010 (C Ravnaas) - Assay: 2800 ppb Au, 324 ppm Ag. Parsons (1911) contains the earliest known record of gold mineralization found in the vicinity of the property. Gold values of 0.5 oz/ton were reported to be associated with molybdenite in a 2m quartz vein exposed at a depth of 6 to 7 metres in the shaft located on the west shore of Vickers Lake - historically known as the Smooth Rock Lake Occurrence. Subsequent workers had not been able to confirm this report due to flooding of the shaft. Although not on part of the current property, another shaft is located on the west shore of Grave Lake. The shaft was sunk on a quartz vein hosted in-gabbro and has reported assays of 1,129 ppb Au from a grab sample in the dump, and 381 ppb over 0.8 metres on the surface exposure of the mineralization (Wagg 1991). Northair Mines Ltd. undertook the next recorded work on the property in 1984. Geological mapping, sampling, grid cutting and drilling was performed. Assay results included 19,000 ppb Au in the discovery pit and 8,340 ppb Au to the west of the pit. The final exploration program to take place on the property was performed by Wellington Cove Explorations Ltd., which performed geological, geochemical and geophysical surveys on the property and a 13-hole diamond drill program. Exploration commenced in 1989 and finished in 1991. Results were generally poor and the results of previous workers could not be matched or improved. Until the current (1999) program, no work had been performed on the property since early 1991. (C. Fratten, Assessment File F/3 SE S-1, p.1-4, Kenora Resident Geologist Office)

Mineral Record Details

References

Map - Geological series, Precambrian geology, Vista Lake area, west part

Publication Number: P3178 Scale: 1:15,840    Date: 1990

Author: Smith P.M., Stephenson C.D., Pomainville-Stephenson D.

Publisher Name: Ontario Geological Survey

Location:

Mono - Geology of the Vista Lake area

Publication Number: OFR5753 Date: 1990

Author: Smith P.M.

Publisher Name: Ontario Geological Survey

Location:

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