Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41A07SW00004

Record: MDI41A07SW00004

General

Mineral Record Identification
Record Name(s) Townsend Lake - 1969
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1990-Dec-03
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Marl



Location

Township or Area: Glenelg

Latitude: 44° 18' .54"    Longitude: -80° 46' 35.19"

UTM Zone: 17    Easting: 517833   Northing: 4905235    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 41A07SW

Point Location Description: General, LOT: 4 - 6 CONC: 12, LOT: 4 - 6 CONC: 13

Location Method: Data Compilation





Lithology

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

Lithology Comments

Feb 28, 2017 (A Wilson) - Townsend Lake and the marsh area adjoining on the east side, occupies an area of 150 acres. Silurian Amabel Dolomite is the bedrock in the area.




Mineralization

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

Mineralization Comments

Feb 28, 2017 (A Wilson) - Townsend Lake marl is of poor quality. A 20-foot section averaged 59.5% CaCO3, 4.2% MgCO3,0.33% Fe2O3 and 3.54% insoluble. The crude marl is very fluid, containing 89.6% moisture. Only 180 pounds of dry marl could be recovered from one cubic yare of the crude.



Mineral Record Details

References

Map - Geology, Markdale Ontario

Publication Number: Map 23-1965 Scale: 1:63,360    Date: 1966

Author: Caley, J F; Liberty, B A

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/108586


Map - Physiography of the northwestern portion of southern Ontario

Publication Number: M2224 Scale: 1:253,440    Date: 1973

Author: Chapman L.J., Putnam D.F.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:


MonoMap - Marl in Ontario

Publication Number: IMR028 Scale:     Date: 1997

Author: Guillet G.R.

Publisher Name: Ontario Dept. of Mines

Location:


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