Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI000000001343| Deposit Name(s) | Bf Showing - 2002, Copper Showing - 1986 |
|---|---|
| Related Deposit Type | None |
| Deposit Status | occurrence |
| Date Created | 2012-Jan-09 |
| Date Last Modified | 2019-Aug-16 |
| Created By | A Mckee |
| Revised By | T Pettigrew |
Primary Commodities: copper, nickel, silver
Secondary Commodities: gold, zinc
Township or Area: Rathouse Bay Area
Latitude: 52° 59' 45" Longitude: -93° 23' 11.69"
UTM Zone: 15 Easting: 474054 Northing: 5871877 UTM Datum: NAD83
Resident Geologist District: Red Lake
NTS Grid:
Point Location Description: Sample location from Assessment report 53F03SW2001 converted to NAD83
Location Method: based on assessment
Source Map: approximate
Access Description: 225 km North of Red Lake and 70 km SE of the Manitoba-Ontario boundry. Sandy Lake settlement is 7 km north, served by regular airline flights.
1937: mapping completed by the Ontario Department of Mines. 1986: JVX Ltd completed exploration in the area and discovered the showing. 1990: L.D.S. Winter reviewed the Sandy Lake properties for Goldeye Explorations. 2002: Goldeye Explorations Ltd. conducted stripping, mapping, sampling, and loop EM surveys. 2015: GPM Metals Inc. conducted prospecting and a magnetic/VTEM survey.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| RL 53F03SW / 2.28149 | 53F03SW2001 | Open |
| 2.56795 | 20000014175 | Open |
| 2.57530 | 20000013595 | Open |
Province: Superior
Subprovince: Sachigo
Belt: Sandy Lake
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship |
|---|---|---|---|---|
| mafic metavolcanics | 1 |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Habit Description |
|---|---|---|---|---|---|---|---|
| 1 | pyrrhotite | economic | ore | ||||
| 2 | pyrite | economic | ore | ||||
| 3 | chalcopyrite | economic | ore |
01/09/2012 (A Mckee) - 2002 Grab samples 1.1% Cu, 0.03 opt Au and 10.6 opt Ag
08/16/2019 (T Pettigrew) - The BF showing is exposed on a small point on the south shore of the Grouse Peninsula, 1.7 km ESE of the western tip of the peninsula. The showing has considerable gossan exposed over a width of 15 to 20 m and along strike for about 40 m. The gossan is particularly abundant on the small scarp face on the NNW side of the point. The bedding here strikes 040 to 095 and dips NW at 60 to 70 degrees. There may be some local folding. The mineralization is in felsic or cherty interflow sediments (exhalites) within a sequence of mafic flows. Typical fine-grained mafic flows with some pillows appear to form both the immediately hangingwall NNW and footwall SSE of the mineralized beds. About 50 m north of the showing, a, strongly magnetic coarse-grained mafic flow or gabbro was noted which lies some distance into the hangingwall of the showings. Most of the gossan is caused by only 3 to 6% disseminated sulphides. However, the exposure on the west side of the peninsula does contain some pods of massive sulphides up to 10 to 15 cm thick. Sulphides are predominantly pyrrhotite with pyrite and a little chalcopyrite. Samples returned values from 239 up to 1548 ppm Cu, but only up to 100 ppm Zn. One of the samples on the NNW side of the gossan contains anomalous Ni, 963 ppm and 300m to WNW a sample of cherty sediment with pyrrhotite and small lenses of massive pyrite carries 1246 ppm Ni. In 1986, von Guttenberg reported some higher precious metal values than seen in the July 2002 work. These include 1.0 g/t Au and 360 g/t (10.5 opt) Ag (Assessment report 53F03SW2001).
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