Ontario Geological Survey
Permanent Link to this Record:
MDI31F06SE00089
Record Name(s) | West of Merchands Lake - 1979, Marchand Lake - 1979, OGS Sample 78-T-669 - 1978 |
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Related Record Type | Simple |
Record Status | Occurrence |
Date Created | 1986-Feb-25 |
Date Last Modified | 2022-Jan-05 |
Created By | Q Unknown |
Revised By | A Wilson |
Primary Commodities: Thorium, Uranium
Secondary Commodities: Feldspar (Nonmetals)
Township or Area: Griffith
Latitude: 45° 16' 53.19" Longitude: -77° 3' 3.57"
UTM Zone: 18 Easting: 339143.997 Northing: 5016261.997 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F06SE
Point Location Description: approximate
Location Method: Data Compilation
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Granite | Host |
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Syenite | 2 | Gneissic | Contains |
May 25, 2011 (A Wilson) - These selected samples show that most of the radioactivity is due to the high thorium content except one sample from east of Marchands Lake, lot 34, concession IV, GriffithTownship, which returned values of 0.11 ppm U308, 5.0 ppm Th and 4.98% K20.
Rank | Classification |
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1 | Pegmatite |
Rank | Characteristic |
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1 | Intrusive |
Map - Geological series, Khartum area, southern Ontario
Publication Number: P2240 Scale: 1:15,840 Date: 1979
Author: Themistocleous S.G.
Publisher Name: Ontario Geological Survey
MonoMap - Geology of the Khartum area, Renfrew County
Publication Number: R211 Scale: Date: 1981
Author: Themistocleous S.G.
Publisher Name: Ontario Geological Survey
Mono - Uranium and thorium deposits of southern Ontario
Publication Number: OFR5311 Scale: Date: 1981
Author: Gordon J.B., Rybak U.C., Robertson J.A.
Publisher Name: Ontario Geological Survey
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