Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31F04SW00122

Record: MDI31F04SW00122

General

Mineral Record Identification
Record Name(s) Sharrow Lake - 1989
Related Record Type Simple
Record Status Discretionary Occurrence
Date Created 1991-Mar-19
Date Last Modified 2022-Jan-05
Created By Q Unknown
Revised By A Wilson

Commodities

Primary Commodities: Marble (Structural Material)



Location

Township or Area: Mayo

Latitude: 45° 4' 44.99"    Longitude: -77° 35' 43.57"

UTM Zone: 18    Easting: 295721.998   Northing: 4995021.996    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31F04SW

Point Location Description: General

Location Method: Data Compilation

Access Description: Roadcut east of Sharrow Lake



Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Calcite Marble 1 Host

Lithology Comments

Oct 20, 2011 (A Wilson) - The marble is predominantly light grey and fine grained with only minor impurities disseminated throughout. Interbedded with this marble variety are grey coarse-grained and grey laminated marble units.




Mineralization Comments

Oct 20, 2011 (A Wilson) - The greyness of the marble and the presence of paragneiss and/or amphibolite in both of these areas make the marble unfavourable for filler material. Chemically the material has good qualities, and therefore with beneficiation the material may have some potential. The sample has 55.01 wt% CaO, 3.87 wt% MgO, 0.29 wt% Al2O3.



Mineral Record Details

References

Mono - Geochemistry of Grenville marble in southeastern Ontario

Publication Number: MDC028 Scale:     Date: 1989

Author: Grant W.T., Papertzian V.C., Kingston P.W.

Publisher Name: Ontario Geological Survey


Map - Precambrian Geology, Bancroft Area

Publication Number: P3385 Scale: 1:50,000    Date: 1998

Author: Lumbers S.B., Vertolli V.M.

Publisher Name: Ontario Geological Survey


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