Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41A11NE00005

Record: MDI41A11NE00005

General

Mineral Record Identification
Record Name(s) Mountain Lake - 1969, Hepworth Lake - 1969
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1983-Dec-19
Date Last Modified 2022-Dec-06
Created By
Revised By

Commodities

Primary Commodities: Marl



Location

Township or Area: Keppel

Latitude: 44° 42' 19.74"    Longitude: -81° 3' 22.51"

UTM Zone: 17    Easting: 495543.86   Northing: 4950235.65    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 41A11NE

Point Location Description: General, LOT: 14 - 21 CONC: 18, LOT: 16 - 22 CONC: 17, LOT: 16, 17 CONC: 19, LOT: 21, 22 CONC: 16

Location Method: Conversion from MDI





Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Clay 1 Marl Is
Dolomitic Rock 2 Adjacent

Lithology Comments

Feb 24, 2017 (A Wilson) - Hepworth Lake marl is of fair quality. A 7-foot section averaged 80.5% CaCO3, 3.4% MgCO3, 0.36% Fe2O3 and 3.30% insoluble. The dry powder is grey powder with a low brightness. Natural particle size is 77% finer than 325 mesh, 50% finer than 10 micron. The crude marl is 69.1% water; 515 pounds of dry marl can be extracted from one cubic yard of the crude.




Mineralization

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

Mineral Record Details

References

MonoMap - Marl in Ontario

Publication Number: IMR028 Page: 55, 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 - Geology, Wiarton, Ontario

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

Author: Caley, J F; Liberty, B A

Publisher Name: Geological Survey of Canada

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


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