Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41A11NE00006

Record: MDI41A11NE00006

General

Mineral Record Identification
Record Name(s) McNab Lake - 1905, McNab Ponds - 1902
Related Record Type Simple
Related Record(s)
Record Status Past Producing Mine Without Reserves or Resources
Date Created 1983-Dec-16
Date Last Modified 2022-Dec-06
Created By
Revised By

Commodities

Primary Commodities: Marl



Location

Township or Area: Keppel, Keppel

Latitude: 44° 38' 38.31"    Longitude: -81° 4' 29.66"

UTM Zone: 17    Easting: 494059.82   Northing: 4943404.61    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 41A11NE

Point Location Description: General

Location Method: Data Compilation

Access Description: The deposit lies 2 miles north of Shallow Lake and 8 miles northwest of Owen Sound. A spur line formerly connected McNab Lake to the Shallow Lake-Owen Sound branch of the CNR.



Exploration History

1902-1911 – Sun Portland Cement Company – dredging of marl




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Clay 1 Marl Is
Dolostone 2 Footwall

Lithology Comments

Feb 24, 2017 (A Wilson) - Shells are common in the marl. Gastropods predominate, but pelecypods and Chara debris are also present. Fibrous organic matter is abundant in the upper few feet due to the prolific marsh that preceded the raising of the water level in 1960.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1CalciteEconomicOre

Mineralization Comments

Feb 24, 2017 (A Wilson) - McNab Lake marl is of poor quality. A 10-ft section analysed 82.0% CaCO3, 2.7% MgCO3, 0.34% Fe2O3 and 2.96% insoluble. McNab Lake marl is of poor quality. A 10-foot section analysed 82.0% CaCO3, 2.7% MgCO3, 0.34% Fe2O3 and 2.96 insoluble. The Sun Portland Cement Company analysis in 1905 was 1.38% SiO2, 1.30% Fe2O3, 87.51% CaCO3, 2.97% MgCO3 and 1.06% SO2.



Mineral Record Details

Production Data
Year Tonnes Commodities Reference Comment
1983 2 MDI

References

Map - Geology, Wiarton, Ontario

Publication Number: Map 20-1965 Scale: 1:63,360    Date: 1966

Author: Caley, J F; Liberty, B A

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/108583


Part - Statistics for 1902

Publication Number: ARV12.002 Page: 31-32  Date: 1998

Author: Gibson T.W.

Publisher Name: Ontario Bureau of Mines

Location:


Part - Cement industry of Ontario

Publication Number: ARV14-01.006 Page: 159-60, 183  Date: 1998

Author: Gillespie P.

Publisher Name: Ontario Bureau of Mines

Location:


Part - General introduction

Publication Number: ARV05.001 Page: 17  Date: 1998

Author: Blue A.

Publisher Name: Ontario Bureau of Mines

Location:


MonoMap - Marl in Ontario

Publication Number: IMR028 Page: 57-58, 134  Date: 1997

Author: Guillet G.R.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Proposed high priority industrial mineral resources effective reserve areas, Niagara Escarpment planning area (NEPA)

Publication Number: P1235 Scale: 1:250,000    Date: 1997

Author: Narain M., Telford P.G.

Publisher Name: Ontario Geological Survey

Location:


Map - Quaternary Geology, Stratford Area

Publication Number: M2559 Scale: 1:50,000    Date: 1993

Author: Karrow P.F.

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