Ontario Geological Survey
Permanent Link to this Record:
MDI40P09NE00006
| Record Name(s) | Rockwood Lime Quarry - 1991 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Past Producing Mine Without Reserves or Resources |
| Date Created | 1991-Jan-07 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Dolomite (Structural Material)
Township or Area: Eramosa
Latitude: 43° 37' 40.97" Longitude: -80° 8' 20.59"
UTM Zone: 17 Easting: 569455.551 Northing: 4830922.379 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 40P09NE
Point Location Description: Precise
Location Method: Conversion from MDI
Access Description: Located 1 km NE of Rockwood on the west bank of the Eramosa River.
The quarry was opened in 1933 by the Rockwood Lime Company to provide feed for the adjoining lime kiln Both quiklime and hydrated lime were produced by the company.The lime plant ceased operating in 1973.
Province: Paleozoic and Mesozoic Basins
Subprovince: Michigan Basin
Geological Age: Paleozoic Geochronological Age: MIDDLE SILURIAN Geochron. Age Ref.: OGS MAP 2582
Dec 07, 2005 (M Barua) - The quarry exposes 12.1 m of dolostone of Middle Silurian Amabel Formation with some massive reef-like structures seen on the quarry face. Thin beds of dolostone separated by thin shale partings form the flaks beds of these structures. Calcite crystals are present in small vugs and as disseminated crystals; fossiliferrous with abundant crinoidal debris in lenses and rare brachiopods.
| Rock Type | Rank | Composition | Texture | Relationship | Dolostone | 1 | Is |
|---|
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Dolomite | Economic | Ore |
Publication - Limestones of Canada, their occurrence and characteristics, part IV, Ontario
Publication Number: CMB Pub 781 Page: 204, 288, 291, 296 Date: 1938
Author: Goudge, M F
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/75823
Mono - Limestone Industries of Ontario, Volume I -- Geology, Properties and Economics
Publication Number: NSP001 Page: 142 Date: 1998
Author: Derry, Michener, Booth and Wahl, Engineering and Terrain Geology Section
Publisher Name: Derry, Michener, Booth and Wahl, Engineering and Terrain Geology Section
Location: MMIC
Part - The limestones of Ontario
Publication Number: ARV13-02 Page: 121-122 Date: 1998
Author: Miller W.G.
Publisher Name: Ontario Bureau of Mines
Location:
MonoMap - The limestone industries of Ontario
Publication Number: IMR005 Page: 122 Date: 1998
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - The limestone industries of Ontario, 1958-1963
Publication Number: IMR013 Page: 55 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Paleozoic geology, Guelph, southern Ontario
Publication Number: M2342 Scale: 1:50,000 Date: 1976
Author: Telford P.G.
Publisher Name: Ontario Division of Mines
Location:
Mono - An Inventory of Inactive Quarries in the Paleozoic Limestone and Dolostone Strata of Ontario
Publication Number: OFR5863 Date: 1993
Author: Wolf R.R.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office