Ontario Geological Survey
Permanent Link to this Record:
MDI52A04SE00034
| Record Name(s) | Stuart Location - 1846 |
|---|---|
| Related Record Type | Partial |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Mar-15 |
| Date Last Modified | 2022-Apr-26 |
| Created By | |
| Revised By |
Primary Commodities: Copper, Nickel, Cobalt
Secondary Commodities: Platinum Metals
Township or Area: Pardee
Latitude: 48° 0' 52.69" Longitude: -89° 38' 7.96"
UTM Zone: 16 Easting: 303463 Northing: 5321288 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52A04SE
Point Location Description: Exploration trench on Copper Bar East
Location Method: Field Visit with GPS
Access Description: The Stuart Location property is approx. 45 km southwest of Thunder Bay. Access is obtained by travelling south from Thunder Bay along Highway 61 to the junction of Highway 593. Travel approximately 2.8 km west along Highway 593 to the gated property access road on the north side of the highway. The mineralized showings are accessed by using an all-terrain vehicle along a network of bush roads and trails.
1846: the Stuart Location was taken up by the Montreal Mining Company. Shortly thereafter, the Silver Islet Company spent about a year exploration a number of copper-bearing veins on the property. A historic adit was driven into the dyke near the Stuart Location and is thought to be related to the Silver Islet Company exploration. 1967: Diamond drilling (3 holes for 169 m) near the western property boundary by Noranda Mines Ltd. 1970-71: Prospecting, geological mapping, trenching and sampling by W. Forsgren and E.M. Galvin. 1998-99: Airborne magnetic and electromagnetic surveys, ground magnetic and induced polarization surveys, geological mapping and diamond drilling (1 hole for 297.78 m) by Falconbridge Ltd. 2001-02: Airborne gravity, magnetic, electromagnetic and radiometric surveys, prospecting, sampling and lithogeochemical survey by McVicar Minerals Ltd. and Billiton World Exploration Inc. 2015-2017: Prospecting, sampling and assays by A. Onchulenko and P. Gehrels.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.971 | 52A04SW0106 | 52A04SW0106 |
| 2.18518 | 52A03SW2001 | 52A03SW2001 |
Province: Southern
Formation Group: Animikie Group
Geological Age: Paleoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Diabase | 1 | Diabase Dyke | Host |
|---|---|---|---|---|
| Terrigenous-Clastic-Unsubdivided | 2 | Adjacent |
Nov 28, 2017 (Therese Pettigrew) - The Stuart Location property is underlain by Rove Formation sandstone, siltstone and shale that have been intruded by Logan sills, Pigeon River dikes and by what has tentatively been termed the Copper Bar mafic intrusion. The most prominent intrusion on the property is a Pigeon River dike, striking 055°, which forms a major (up to 180 m high) topographic ridge across the southern half of the property (Furlong and Miller 1971). This dike is up to 250 m wide and traverses the entire width of the property (Puumala et al., 2017).
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 2 | Pyrrhotite | Economic | Ore | ||||
| 3 | Chalcopyrite | Economic | Ore | ||||
| 1 | Pyrite | Economic | Gangue |
Nov 28, 2017 (Mark Puumala) - The following excerpt is from OFR 6326: “The Stuart Location Cu-Ni-Co-PGE occurrence is hosted by a Pigeon River diabase dike, striking 055°, that forms a prominent ridge on the property. The mineralized zone is located near the southeastern margin of the dike and occurs in a northeast-trending fracture zone that parallels the contact with Rove Formation country rocks. The host rock is a magnetite-bearing, olivine diabase having a magnetic susceptibility ranging from 20 to 50 x 10-3 SI units. Within the mineralized zone, the magnetic susceptibility of the diabase is much lower, generally less than 1 x 10-3 SI units. Mineralization occurs within a zone that is up to 10 m wide and consists of pyrrhotite ± chalcopyrite that occurs as disseminations, blebs and semi-massive to massive pods and veinlets. The greatest sulphide concentrations occur where the fracture density and/or degree of brecciation of the diabase is highest. The close spatial relationship between the sulphide mineralization and fracturing indicates that it was likely to have been introduced following diabase crystallization. This suggests that the mineralization was introduced through host rock interaction with late magmatic or hydrothermal fluids.” Grab samples of mineralized material were collected by M. Puumala from 4 trenches covering a strike length of 360 m. The most significant assay result (0.82% Cu, 0.52% Ni, >0.05% Co, 112 ppb Pt and 107 ppb Pd) was obtained from a grab sample of semi-massive sulphides that was collected from the easternmost trench (sample MP16WPT1228B; Puumala et al., 2017).
Nov 28, 2017 (Therese Pettigrew) - Grab samples collected in 1971 collected from the Stuart Location trenches returned assays of up to 2.3% Cu, 1.2% Ni, 0.05% Co, and 0.02 opt Pd (Puumala et al., 2017).
Date: Nov 09, 2016
Geologist: Mark Puumala
Notes: Resident Geologist Program (RGP) staff visited the Stuart Location Cu-Ni-Co-PGE occurrence on November 9, 2016. Grab samples of mineralized material were collected from 4 trenches covering a strike length of 360 m. The most significant assay result (0.82% Cu, 0.52% Ni, >0.05% Co, 112 ppb Pt and 107 ppb Pd) was obtained from a grab sample of semi-massive sulphides that was collected from the easternmost trench (MP16WPT1228B).
Map - Geological series, Precambrian geology, Keweenawan intrusive rocks in the Crystal Lake-Pigeon River area
Publication Number: P3139 Scale: 1:50,000 Date: 1990
Author: Smith A.R., Sutcliffe R.H.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of Devon and Pardee townships and the Stuart Location, District of Thunder Bay
Publication Number: R087 Date: 1970
Author: Geul J.J.C.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Devon and Pardee townships and Stuart Location, Thunder Bay District
Publication Number: M2207 Scale: 1:31,680 Date: 1970
Author: Geul J.J.C.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Mono - Report of Activities 2016, Resident Geologist Program, Thunder Bay South Regional Resident Geologist Report: Thunder Bay South District
Publication Number: OFR6326 Page: 44-54 Date: 2017
Author: Puumala M.A., Campbell D.A., Tuomi R.D., Tims A., Brunelle M.R.
Publisher Name: Ontario Geological Survey
Location:
Map - Pigeon River area, Thunder Bay District, Ontario
Publication Number: Map 354A Scale: 1:63,360 Date: 1936
Author: Tanton, T.L.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/107549
Mono - Nickel, Copper, and Platinum Group Element Mineralization in Keweenawan Intrusive Rocks: New Targets in the Keweenawan of the Thunder Bay Region, Northwestern Ontario
Publication Number: OFR5928 Date: 1995
Author: Lightfoot P.C., Lavigne Jr. M.J.
Publisher Name: Ontario Geological Survey
Location:
Data - Ontario Airborne Geophysical Surveys, Magnetic and Gamma-Ray Spectrometric Data, Grid and Profile Data (ASCII and Geosoft® Formats) and Vector Data, Mahon Lake and Flatrock Lake Areas
Publication Number: GDS1077 Date: 2015
Author: Ontario Geological Survey
Publisher Name: Ontario Geological Survey
Location:
Map - Pigeon River area, Thunder Bay District, Ontario
Publication Number: Map 355A Scale: 1:63,360 Date: 1936
Author: Tanton, T.L.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/107550
Map - Pigeon River area, Thunder Bay District, Ontario
Publication Number: Map 356A Scale: 1:63,360 Date: 1936
Author: Tanton, T.L.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/107551
Publication - Regional Lake Sediment and Water Geochemical Reconnaissance Data, Thunder Bay Region
Publication Number: GSC OF 2179 Date: 1990
Author: Friske, P.W.B., Hornbrook, E.H.W., Lynch, J.J., McCurdy, M.W., Gross, H.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/128140
MonoMap - Geology of Devon and Pardee townships and the Stuart Location, District of Thunder Bay
Publication Number: R087 Date: 1970
Author: Geul J.J.C.
Publisher Name: Ontario Dept. of Mines
Location:
Publication - Fort William and Port Arthur, and Thunder Cape Map-area, Thunder Bay District, Ontario; Geological Survey of Canada, Memoir 167
Publication Number: GSC Memoir 167 Date: 1931
Author: Tanton, T.L.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/100799
Article - Keweenawan intrusive rocks of the Thunder Bay area
Publication Number: MP137.039 Date: 1997
Author: Smith A.R., Sutcliffe R.H.
Publisher Name: Ontario Geological Survey
Location:
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