Ontario Geological Survey
Permanent Link to this Record:
MDI41O10NW00020
| Record Name(s) | Ridout Lake - 1934 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1994-May-26 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Zinc
Secondary Commodities: Iron, Copper, Cadmium, Gold, Silver
Township or Area: Greenlaw
Latitude: 47° 43' 53.17" Longitude: -82° 49' 30.86"
UTM Zone: 17 Easting: 363142.45 Northing: 5288064.5 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 41O10NW
Point Location Description: Granges drill hole collar SW 95.
Location Method: Data Compilation
Access Description: Access is by way of a secondary road south of Chapleau, between Highway 129 and the town of Sultan. Take the Kormak Rd. north past the Canadian National Railway line. A logging road leads north then east into Greenlaw Twp. A small ATV trail at the end of this road will take you within a few hundred meters of the showing.
1980-81: Granges Exploration Ltd. drilled 7 holes in an area to the west of Ridout Lake for a total of 504 m. All but two of these holes intersected iron formation. Other rock types include intermediate to felsic volcanics. 1982: Mattagami Lake Exploration Ltd. conducted geological mapping, rock and soil geochemistry, radem, ground magnetometer, and gravity surveys over the former Granges property to the west of Ridout Lake. 1983: Noranda Exploration drilled two holes into iron formation to the west of Ridout Lake. The combined length of the drill holes was 469 m. Anomalous metal values as high as 0.019 oz./t Au and 1.16% Zn were reported in core assays. 1984: Noranda Exploration conducted a magnetic and electromagnetic survey over claims along the north shore extending to the west and the south shore of Ridout Lake. Noranda also conducted a geological mapping and geochemical humus survey over an area that include Ridout Lake and Little Ridout Lake to the east of the iron formation exposure. Humus sample were analyzed for Au but only discontinuous single anomalies were uncovered. Aerodat Limited flew a combined helicopter borne magnetic, electromagnetic and VLF survey for Kelly Kerr (John Larche Property) over the west end of Ridout Lake which included the showing. 1985: Granges Exploration Ltd. conducted a soil geochemical survey due west of Ridout Lake over a block of 11 claims. No interesting anomalies were discovered and further work was not recommended.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| T-1997 / 2.8650 | 41O10NW0009 | 41O10NW0009 |
| T-1997 / 2.8451 | 41O10NW0010 | 41O10NW0010 |
| T-2823 / 22 | 41O10NW9064 | 41O10NW9064 |
| T-2096 / | 41O10NW0031 | 41O10NW0031 |
| T-1997 / | 41O10NW0023 | 41O10NW0023 |
| T-2854 / 2.9170 | 41O10NE0019 | 41O10NE0019 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Swayze
Tectonic Assemblage: Ridout
Geological Age: Neoarchean Geochronological Age: 2730 +/- 3 MA Geochron. Age Ref.: OF 3384E
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
| Rock Type | Rank | Composition | Texture | Relationship | Magnetite Ironstone | 1 | Magnetite Facies | Banded Iron Formation | Host |
|---|---|---|---|---|
| Intermediate Tuff | 2 | Andesite | Tuff | Near |
| Felsic Tuff | 3 | Rhyolite | Tuff | Near |
Dec 07, 2005 (K Houle) - Granges Exploration AB intersected (hole SW 95) what was described as a 'calcite breccia' at a drill depth of 170.9' (52.1 m). A 3.5' (1.07 m) section of this unit assayed 11.0% Zn. This unit is bounded on both sides by rhyolite to rhyodacite tuff with 'smokey (blue) quartz'. Another hole (SW 83) about 300m to the southeast intersected a section of banded iron formation that assayed 1.05 g/t gold. This hole was bound on both sides by andesite tuff.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Sphalerite | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore | ||||
| 1 | Pyrite | Economic | Gangue | ||||
| 2 | Pyrrhotite | Economic | Gangue |
Aug 12, 2013 (K Houle) - Drilling to the west of Ridout Lake indicates that the sulphide minerals pyrite, pyrrhotite, sphalerite and less commonly chalcopyrite are found in varying amounts associated with the iron formation and adjacent units. Granges reported gold values as high as 1.05 g/t over 3.2ft in hole SW 83 occurring in a banded iron formation with 30% magnetite and minor pyrrhotite.
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Unknown | 270 | 70 | N/A | N/A |
Date: Jun 18, 1994
Geologist: K Houle
Notes: An attempt was made to locate the drill hole but the old drill roads are overgrown and the attempt was unsuccessful
Map - Tooms and Greenlaw townships, Sudbury District
Publication Number: M2121 Scale: 1:31,680 Date: 1997
Author: Donovan J.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geology, Swayze greenstone belt, Sultan, Ontario
Publication Number: OF 3384E Scale: 1:50,000 Date: 1999
Author: Heather, K B; Shore, G T
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/210453
Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario
Publication Number: GSC OF 1087 Page: 41O-81 Date: 1985
Author: Rose, D. G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
File - Resident Geologist files 1980, air photos
Publication Number: Date: 1996
Author:
Publisher Name:
Location:
Part - Geology of the Swayze gold area
Publication Number: ARV43-03.001 Page: 12-13 Date: 1998
Author: Rickaby H.C.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of Halcrow-Ridout lakes area, District of Sudbury
Publication Number: R063 Page: 19, 34 Date: 1968
Author: Donovan J.F.
Publisher Name: Ontario Dept. of Mines
Location:
Publication - Preliminary report on Woman river and ridout map areas, Sudbury district, Ontario; Geological Survey of Canada, Memoir 157
Publication Number: GSC Mem 157 Page: 24 Date: 1929
Author: Emmons, R.C. and Thomson, E.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/100840
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 336 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Mineral Prospects of the Swayze Greenstone Belt (Volume 1, Parts of NTS 41 O and Volume 2, Parts of NTS 41 P, 42 A and 42 B)
Publication Number: OFR5912 Page: 140-141 Date: 1995
Author: Fumerton S.L., Houle K.A.
Publisher Name: Ontario Geological Survey
Location:
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