Ontario Geological Survey
Permanent Link to this Record:
MDI42C08SW00144
| Record Name(s) | Leitch Gold Occurrence - 1926, Cawdron Lake Showing - 1926, Cawdron Peninsula - 1985, Leitch Prospect - 1989 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Jan-08 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Bird
Latitude: 48° 15' 26.22" Longitude: -84° 18' 17.06"
UTM Zone: 16 Easting: 700044.41 Northing: 5348408.84 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C08SW
Point Location Description: Trenches on south shore of NE bay of Cawdron Lake
Location Method: Data Compilation
Access Description: The site is accessible only by boat from the Newago Road or by fixed wing or helicopter from Wawa or Hawk Junction.
1926: discovery, trenching and prospecting. 1941-44: Leitch Gold Mines - 14 ddh (1502 ft), prospecting. 1986-1987: Mascot Gold Mines Ltd. - ground magnetometer and VLF-EM survey, geological mapping, soil geochemistry, 6 ddh.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Bird-0013-B1 | 42C08SW0941 | 42C08SW0941 |
| BIRD 0012 | 42C01NW8704 | 42C01NW8704 |
| WPBOTOSSAWAY 9 | 42C07SE0009 | 42C07SE0009 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Tectonic Assemblage: Wawa
Geological Age: Neoarchean Geochronological Age: 2750 MA Geochron. Age Ref.: GOO VOL 1
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
Dec 07, 2005 (A Wilson) - The Cradle Lakes Deformation Zone is at least 5 km in length and rouchly 1-2 km wide, but may be up to 10 km in total length. The CLDZ is subparallel to stratigraphy and occurs largely within fedlspar-crystal tuffs, which in many places are difficult to distinguish fromthe cradle Lakes stock, a feldspar porphyry intrusion adjacent to and partially within the CLDZ. The CLDZ contains a large, east-striking high stain zone that is up to 40 m wide and has been traced for several hundred metres along strike.
| Rock Type | Rank | Composition | Texture | Relationship | Intermediate massive flow | 1 | Mafic To Intermediate | Massive, Pillowed | Near |
|---|---|---|---|---|
| Sulphide Ironstone | 2 | Sulphide-Facies | Sheared | Host |
Dec 07, 2005 (A Wilson) - Massive aphanitic to medium-grained and pillowed metavolcanics form the predominant lithology at the site. The showing is hosted by a sheared and altered sulphide facies iron formation with late-stage quartz-carbonate veining. The property hosts two structures a splay off of the Cawdron Lake Fault and an east trending shear that is coincident with the iron formation. The shear appears to be coincident with the base of a pillowed sequence. At least two lamprophyre dikes were intersected during the 1987 diamond drilling program.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Gold | Economic | Ore | ||||
| 1 | Pyrite | Economic | Gangue | ||||
| 2 | Pyrrhotite | Economic | Gangue | ||||
| 3 | Sphalerite | Economic | Gangue | ||||
| 4 | Chalcopyrite | Economic | Gangue | ||||
| 5 | Graphite | Economic | Gangue | ||||
| 6 | Tourmaline | Economic | Gangue | ||||
| 7 | Stibnite | Economic | Gangue |
Dec 07, 2005 (A Wilson) - The OGS reported an assay of 0.40 oz/t Au from quartz veins in a rusty schist in 1926. Sampling of the old trenches by Leitch Gold Mines in 1943-44 returned values from 0.02-1.36 oz/t Au across widths from 0.5 to 4 feet along a strike length of 210 feet. The best assay from the 1944 diamond drill program was 0.2 oz/t Au over 1.7 feet. In 1993 the OGS obtained values of less than 0.01 oz/t Au and 0.11 oz/t Au from grab samples taken from the iron formation. Assys up to 1.31 oz/t Au were obtained from the iron formation by Mascot Gold Mines in 1987.
| Rank | Classification |
|---|---|
| 1 | Hydrothermal |
| Rank | Characteristic |
|---|---|
| 1 | Sheared |
| 2 | Vein |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | 335 | 6 | 30 | 90 | 60 |
File - Resident Geologist files Bird 0013A1, WP Cowie-2
Publication Number: Date:
Author:
Publisher Name:
Location: SSM RGP office
Map - Goudreau-Lochalsh area, District of Algoma, Ontario
Publication Number: ARM36B Scale: 1:63,360 Date: 1998
Author: Gledhill T.L., Collins W.H., Thomson E.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Goudreau-Lochalsh area, District of Algoma, Ontario
Publication Number: ARM49G Scale: 1:31,680 Date: 1997
Author: Bruce E.L.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Goudreau gold area, District of Algoma, Ontario
Publication Number: ARM40E Scale: 1:31,680 Date: 1997
Author: Moore E.S.
Publisher Name: Ontario Dept. of Mines
Location:
Folio - Bird Township, District of Algoma
Publication Number: GDIF140 Date: 1997
Author: Sault Ste Marie RGO
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Bird Township
Publication Number: OFM0218 Scale: 1:15,840 Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
Map - Geological compilation series, Wawa sheet, districts of Algoma and Sudbury
Publication Number: P0640 Scale: 1:126,720 Date: 1997
Author: Leahy E.J., Rupert R.J., Giblin P.E., Giguere J.F.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Mono - Geological and structural setting of gold mineralization in the Goudreau-Lochalsh area, Wawa gold camp
Publication Number: OFR5832 Page: 54 Date: 1992
Author: Heather K.B., Arias Z.G.
Publisher Name: Ontario Geological Survey
Location:
Part - Goudreau-Lochalsh gold area, District of Algoma
Publication Number: ARV36-02.002 Page: 79 Date: 1998
Author: Gledhill T.L.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 79 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Wawa mineral deposits data base
Publication Number: OFR5775 Page: 122-123 Date: 1991
Author: Frey E.D., Stewart R.C.
Publisher Name: Ontario Geological Survey
Location:
Book - Gold Occurrences of Wawa-Missinabie Area, unpublished report
Publication Number: Robinson Page: 119 Date: 1983
Author: Robinson, D.
Publisher Name:
Location: Timmins RGO
MonoMap - Geology of Aguonie, Bird, Finan and Jacobson Townships, District of Algoma
Publication Number: OFR5588 Page: 90-91 Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
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: 149 Date: 1985
Author: Rose, D. G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
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