Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41I16NW00019

Record: MDI41I16NW00019

General

Mineral Record Identification
Record Name(s)	Emerald Marble - 1992
Related Record Type	Simple
Related Record(s)
Record Status	Occurrence
Date Created	1992-Mar-13
Date Last Modified	2022-Dec-06
Created By
Revised By

Commodities

Primary Commodities: Marble (Structural Material)

Location

Township or Area: Afton

Latitude: 46° 54' 19.78" Longitude: -80° 18' 29.88"

UTM Zone: 17 Easting: 552679.39 Northing: 5194894.34 UTM Datum: NAD83

Resident Geologist District: Sudbury

NTS Grid: 41I16NW

Point Location Description: Outcrop

Location Method: Data Compilation

Assessment Work on File

Assessment Work on File
Office File Number	Online Assessment File Identifier	Online Assessment File Directory
Afton-17C1	41I16NW0053	41I16NW0053

Geology

Province: Southern

Subprovince: Cobalt Basin

Supergroup: Huronian Supergroup

Formation Group: Cobalt Group

Geological Age: Paleoproterozoic

Lithology

Lithology Data
Rock Type	Rank	Composition	Texture	Relationship
Limestone	1	Chrystalline		Host

Mineralization

Mineralization and Alteration
Rank	Mineral Name	Class	Economic Mineral Type	Alteration Mineral Type	Alteration Ranking	Alteration Intensity	Alteration Style
1	Calcite	Economic	Ore
2	Dolomite	Economic	Ore

Mineralization Comments

Nov 29, 2017 (A Wilson) - A small occurrence of entirely crystalline limestone, practically made of entirely crystalline limestone, practically a marble.The small occurrence of limestone, associated with conglomerate, on the north side of the southeast bay of Emerald Lake is unusual, as it is entirely crystalline and practically a marble. It is similar to some of the Grenville limestone in southeastern Ontario.

Mineral Record Details

References

Part - Geology of the Afton-Scholes area

Publication Number: ARV45-06.002 Page: 41 Date: 1998

Author: Moore E.S.

Publisher Name: Ontario Dept. of Mines

Location:

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Ministry Contact Information

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