Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31D11NW00019

Record: MDI31D11NW00019

General

Mineral Record Identification
Record Name(s) Rockleith Quarry - 9999
Related Record Type Simple
Record Status Producing Mine
Date Created 2003-Apr-07
Date Last Modified 2021-Dec-14
Created By M Barua
Revised By M Barua

Commodities

Primary Commodities: Limestone (Building Stone)



Location

Township or Area: Orillia

Latitude: 44° 44' 32.97"    Longitude: -79° 26' 37.22"

UTM Zone: 17    Easting: 623210.919   Northing: 4955523.335    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31D11NW

Point Location Description: Centre of quarry

Location Method: Data Compilation

Access Description: 7 km NW of HWY 11 from the Ardtrea exit. Access road is beside the last house on the east side of road before the Maple Valley Road.



Exploration History

After purchasing from a minor operator, the quarry was developed in 2001 through 2003.


Geology

Province: Paleozoic and Mesozoic Basins

Subprovince: Michigan Basin

Geological Age: Paleozoic   Geochronological Age: MIDDLE ORDOVICIAN   Geochron. Age Ref.: OGS MAP 2582



Geology Comments

Dec 07, 2005 (M Barua) - Beige, tan and blue-gold limestone and dolomitic limestone of the Lower Member of the Gull River Formation.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Limestone 1 Host

Mineral Record Details

Production Data
Year Tonnes Commodities Reference Comment
2002 5000 AS GIVEN TO THE DISTRICT GEOLOGIST BY TH E OWNER/OPERATOR

References

Map - Paleozoic Geology, Orillia Area, Southern Ontario

Publication Number: OFM0222 Scale: 1:50,000    Date: 1993

Author: Armstrong D.K., Anastas A.S.

Publisher Name: Ontario Geological Survey


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Ministry Contact Information

For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office