Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31C15SE00119

Record: MDI31C15SE00119

General

Mineral Record Identification
Record Name(s) East Little Mud Lake - 1969
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1991-Jun-25
Date Last Modified 2022-Apr-12
Created By
Revised By

Commodities

Primary Commodities: Apatite (Gemstones), Mineral Specimen



Location

Township or Area: South Sherbrooke

Latitude: 44° 49' 10.39"    Longitude: -76° 32' 29.37"

UTM Zone: 18    Easting: 378126   Northing: 4964061    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31C15SE

Point Location Description: General

Location Method: Data Compilation

Access Description: 2.4 km south of Maberley.



Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Terrane: Frontenac

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Marble 1 Host

Lithology Comments

Sep 18, 2015 (A Wilson) - The marble is described as a tectonic breccia and massive marble. The marble is typically white, with some calc-silicates. The tectonic breccia includes layers and fragments of rusty pyritic and graphitic breccias, white pegmatite, garnet gneiss and pyroxene-hornblende gneiss.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1ApatiteEconomicOre
2CalciteEconomicOre
3PyroxeneEconomicOre

Mineral Record Details

References

Publication - A list of Canadian mineral occurrences; Geological Survey of Canada, Memoir no. 74

Publication Number: GSC Memoir 74 Page: 26  Date: 1915

Author: Johnston, R A A

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/101571


Publication - Rocks and minerals for the collector: Hull-Maniwaki, Quebec; Ottawa-Peterborough, Ontario;Geological Survey of Canada, Paper 69-50

Publication Number: Paper 69-50 Page: 49  Date: 1970

Author: Sabina, A.P.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/103344


Map - Precambrian Geology, Sharbot Lake Area

Publication Number: P3440 Scale: 1:50,000    Date: 2001

Author: Easton R.M.

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