Ontario Geological Survey
Permanent Link to this Record:
MDI31E05NE00005
| Record Name(s) | Bear Lake - 1942, OGS Sample 81-RK-21 - 1981 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1981-Aug-10 |
| Date Last Modified | 2022-Feb-18 |
| Created By | |
| Revised By |
Primary Commodities: Copper
Township or Area: Monteith
Latitude: 45° 27' 39.8" Longitude: -79° 35' 5.05"
UTM Zone: 17 Easting: 610646 Northing: 5035144 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 31E05NE
Point Location Description: pit
Location Method: AMIS Site Visit
Access Description: From the Bear Lake church on highway 518, drive north on gravel road 75m to the west of the church, north for 200m to abandoned railway then 10m north to the first pit and 200m to the north for the second pit.
Province: Grenville
Subprovince: Central Gneiss Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Host |
|---|---|---|---|---|
| Pegmatite | 2 | Adjacent | ||
| Marble | 3 | Adjacent |
Mar 22, 2011 (A Wilson) - The country rock is a hornblende-biotite gneiss with quartzo-feldspathic banding. A mixture of impure marble and pegmatite occurs within the gneisses.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Chalcopyrite | Economic | Ore | ||||
| 2 | Pyrite | Economic | Gangue |
Mar 22, 2011 (A Wilson) - Pyrite and chalcopyrite, with minor pyrrhotite and magnetite, occurs within the gneisses near the contact with the marble. A grab sample collected by the OGS in 1981 returned 760 ppm Cu from sulphidized gneiss.
| Rank | Characteristic |
|---|---|
| 1 | Disseminated |
Part - Mineral occurrences in Parry Sound District
Publication Number: ARV51-02 Scale: Date: 1998
Author: Satterly J.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology and mineral deposits of the Parry Sound-Huntsville area
Publication Number: R052 Scale: Date: 1967
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - The gold potential of the Huntsville-Parry Sound area of Ontario
Publication Number: OFR5521 Scale: Date: 1984
Author: Villard D.J., Keevil R., Hogg A.
Publisher Name: Ontario Geological Survey
Location:
Book - SMDR FILE, #01284
Publication Number: Scale: Date: 1996
Author:
Publisher Name:
Location:
MonoMap - Industrial minerals of the Algonquin region
Publication Number: OFR5425 Scale: Date: 1983
Author: Martin W.
Publisher Name: Ontario Geological Survey
Location:
Map - Parry Sound-Huntsville area, Ontario
Publication Number: M2118 Scale: 1:126,720 Date: 1967
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Precambrian Geology, Orrville Area
Publication Number: P3414 Scale: 1:50,000 Date: 2000
Author: Lumbers S.B., Vertolli V.M.
Publisher Name: Ontario Geological Survey
Location:
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