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Ontario Geological Survey
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MDI30M12SW00008
| Record Name(s) | Dufferin Aggregates -Milton Quarry - 1981, St. Lawrence Cement - 1981 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Producing Mine |
| Date Created | 1981-Nov-25 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Dolostone
Township or Area: Nassagaweya, Nassagaweya, Esquesing
Latitude: 43° 32' 14.58" Longitude: -79° 57' 42.45"
UTM Zone: 17 Easting: 583881.736 Northing: 4821016.656 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 30M12SW
Point Location Description: Precise, LOT: 9 & 10 CONC: 1
Location Method: Data Compilation
Access Description: Located 4 km northwest of Milton on the Niagara Escarpment.
TOWNSHIP: NASSAGAWEY NOW PART OF THE MUNICIPAL TOWNSHIP OF HALTON HILLS, TOWNSHIP: ESQUESING NOW PART OF THE MUNICIPAL TOWNSHIP OF MILTON, Regional Municipality of Halton.Opened in 1962, it is the largest producing quarry in Canada which produced 5.8 million tonnes in 2001.The licenced area covers 467 hectares(1150 acres) on the Niagara Escarpment .Another 83 ha extension to the north has recently been granted to Dufferin Aggregates
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 15.8 m deep Milton Quarry exposes coarse-crystalline, grey-buff, thick to massive-bedded and fossiliferous dolostone of the Middle Silurian Amabel Formation. Below the quarry floor, occurs the argillaceous units including 4 m of the Reynales Formation, a dolostone with shaly partings and 11 m of Cabot Head Formation, a red and green shaly dolostone. Overburden averages 1.5 m in thickness. The Amabel Formation contains large crinoids, brachiopods,bryozoans, gastropods and corals. Abundant fossil fragments are also found in the Reynales Formation.
| 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 |
Mono - Aggregate resources inventory of the Town of Halton Hills, Regional Municipality of Halton, southern Ontario
Publication Number: ARIP046 Page: 22 Date: 1983
Author: Engineering and Terrain Geology Section
Publisher Name: Ontario Geological Survey
Location:
Mono - Aggregate resources inventory of Town of Milton, Regional Municipality of Halton, southern Ontario
Publication Number: ARIP047 Page: 20 Date: 1982
Author: Engineering and Terrain Geology Section
Publisher Name: Ontario Geological Survey
Location:
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:
Mono - Limestone Industries of Ontario, Volume III --Limestone Industries and Resources of Central and Southwestern Ontario
Publication Number: NSP003A Page: 55-59 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:
Book - Northern Miner 78-01-12 Dufferin's, P12-13
Publication Number: NMINER Date: 1996
Author:
Publisher Name: Northern Miner
Location:
MonoMap - The limestone industries of Ontario, 1958-1963
Publication Number: IMR013 Page: 51-52 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Industrial mineral resources of the Brampton area, Halton, Peel, and York counties
Publication Number: IMR023 Page: 14 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - The limestone industries of Ontario
Publication Number: IMR039 Page: 50 Date: 1997
Author: Hewitt D.F., Vos M.A.
Publisher Name: Ontario Division of Mines
Location:
Map - Paleozoic geology, Brampton, southern Ontario
Publication Number: M2337 Scale: 1:50,000 Date: 1976
Author: Bond I.J., Liberty B.A., Telford P.G.
Publisher Name: Ontario Division of Mines
Location:
Book - RUKAVINIA 1987, RX PROD P 75-78
Publication Number: N/A Date: 1996
Author:
Publisher Name:
Location:
Book - VAGT 1989, MIN AGGREG P41.1&41.2
Publication Number: N/A Date: 1996
Author:
Publisher Name:
Location:
Book - Milton Quarry publications
Publication Number: Co.publica Date:
Author: Company Publications
Publisher Name: Dufferin Aggregates
Location: MMIC
MonoMap - Aggregate Resources Inventory of the Regional Municipality of Halton, Southern Ontario
Publication Number: ARIP164 Date: 1996
Author: Golder Associates, Rowell D.J.
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