Ontario Geological Survey
Permanent Link to this Record:
MDI42C08SW00164
Record Name(s) | Morrison Lake - 1985 |
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Related Record Type | Simple |
Record Status | Discretionary Occurrence |
Date Created | 2000-Aug-28 |
Date Last Modified | 2022-Jan-05 |
Created By | A Wilson |
Revised By | A Wilson |
Primary Commodities: Gold
Township or Area: Aguonie
Latitude: 48° 15' 1.9" Longitude: -84° 28' 37.6"
UTM Zone: 16 Easting: 687276.36 Northing: 5347223.03 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C08SW
Point Location Description: Shear zone on south shore of Morrison Lake
Location Method: Data Compilation
Access Description: The site is accessible by overland traverse south from the Goudreau Road or alternatively, the site is accessible by fixed wing aircraft from Wawa or Hawk Junction.
1985: International Corona - follow up lake sediment sampling, prospecting. 1986: Mascot Gold Mines - ground magnetometer and VLF-EM surveys, stripping, sampling.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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WP COWIE.02 | 42C06SE0002 | 42C06SE0002 |
KEATING 0017 | 42C07SW0031 | 42C07SW0031 |
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 occurrence lies just south of the inferred southern boundary of the Goudreau Lake Deformation Zone - Southern Domain. The structure is composed of a 70 degree striking ductile-brittle zone of subparallel, dextral oblique-slip high-strain zones developed within strongly altered an deformed felsic to intermediate metavolcanic rocks.
Rock Type | Rank | Composition | Texture | Relationship | Intermediate Tuff | 1 | Tuff, Sheared | Host |
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Dec 07, 2005 (A Wilson) - The showing consists of a pyritic shear zone within felsic to intermediate tuffs. Chloritoid alteration is prevalent along the south shore of Morrison Lake.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Pyrite | Economic | Gangue |
Dec 07, 2005 (A Wilson) - International Corona obtained anomalous gold values of 890 ppb au and 0.124 oz/t Au when prospecting along the south shore of the lake. An assay of 0.08 oz/t Au was obtained by Mascot Gold Mines from a pyritic shear zone in 1986.
Rank | Classification |
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1 | Hydrothermal |
Rank | Characteristic |
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1 | Sheared |
Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
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Unknown | 25 | 90 |
Map - Precambrian Geology, Aguonie Township
Publication Number: OFM0217 Scale: 1:15,840 Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
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