Ontario Geological Survey
Permanent Link to this Record:
MDI31C16SE00017
Record Name(s) | Portland Area - 1939 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Discretionary Occurrence |
Date Created | 1982-May-25 |
Date Last Modified | 2022-Mar-29 |
Created By | |
Revised By |
Primary Commodities: Marble (Structural Material)
Township or Area: Bastard
Latitude: 44° 45' 40.72" Longitude: -76° 7' 12.59"
UTM Zone: 18 Easting: 411348 Northing: 4957046 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C16SE
Point Location Description: General
Location Method: Data Compilation
Access Description: Goudge (1938) sample is of a dolomitic marble adjacent to the CNR line at the south end of Otter lake. Easton (2015) sample is of a dolomitic marble from a roadcut on the west side of Highway 15 by th CNR line at the south end of Otter Lake.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Frontenac
Geological Age: Mesoproterozoic
Rock Type | Rank | Composition | Texture | Relationship | Marble | 1 | Dolomitic | Host |
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Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Graphite | Economic | Ore |
Aug 03, 2016 (A Wilson) - The geochemical analysis of the marble is 1.28% SiO2, 0.48% Fe2O3, 0.10% Al2O3, tr Ca4(PO4)2, 55.32% CaCO3. Sample 15RME-0234 from approximately the same location is 0.60% SiO2, 0.25% Fe2O3, 0.30% AL23, tr P2O5m 45.75% LOI, 30.31% CaO, 20.63% MgO.
Publication - Limestones of Canada, their occurrence and characteristics, part IV, Ontario
Publication Number: CMB Pub 781 Scale: Date: 1938
Author: Goudge, M F
Publisher Name: Canada Mines Branch
Location: Tweed RGO
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