Ontario Geological Survey
Permanent Link to this Record:
MDI52E16NW00003
| Record Name(s) | Grindstone Lake Quarry - 1991 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Developed Prospect Without Reported Reserves or Resources |
| Date Created | 1991-Jan-23 |
| Date Last Modified | 2022-Mar-30 |
| Created By | |
| Revised By |
Primary Commodities: Aggregate
Township or Area: Redditt
Latitude: 49° 59' 19.99" Longitude: -94° 21' 40.53"
UTM Zone: 15 Easting: 402421.779 Northing: 5538282.831 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52E16NW
Point Location Description: General
Location Method: Conversion from MDI
Access Description: The quarry is on the north side in the CNR right of way 2240 m east of Redditt.
The rock was quarried for railway construction, probably rock fill. This quarry is typical of the small quarries opened during railway construction.
Province: Superior
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Granodiorite | 1 | porphyritic |
|---|
Mar 30, 2022 (Therese Pettigrew) - The area is underlain by massive to porphyritic granodiorite of the Lount Lake Batholith Complex. Major joint directions are 050 / 60 degrees S (the predominant set) and 170 / 90 degrees. They are spaced approximately 1 m apart or more. The granite is cut by numerous pegmatite dikes. Sheeting of irregular thickness dips 10 to 15 degrees to the northeast (Storey, 1986).
MonoMap - Preliminary geological synthesis of the English River Subprovince, northwestern Ontario and its bearing upon mineral exploration
Publication Number: MP072 Page: 29-31 Date: 1978
Author: Breaks F.W., Bond W.D., Stone D.
Publisher Name: Ontario Geological Survey
Location:
Mono - Building and ornamental stone inventory in the districts of Kenora and Rainy River
Publication Number: MDC027 Page: 24 Date: 1986
Author: Storey C.C.
Publisher Name: Ontario Geological Survey
Location:
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