Ontario Geological Survey
Permanent Link to this Record:
MDI31F04SE00095
Record Name(s) | Swordfingal Prospect - 1951, Swordfingal Deposit - 1980 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 1981-Mar-13 |
Date Last Modified | 2022-Jul-19 |
Created By | |
Revised By |
Primary Commodities: Iron
Township or Area: Mayo, Mayo
Latitude: 45° 3' 3.16" Longitude: -77° 37' 58.71"
UTM Zone: 18 Easting: 292664.996 Northing: 4991974.995 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F04SE
Point Location Description: approximate
Location Method: Based on Assessment
Access Description: 2 km east of western township boundary and 4.5 km north of south township boundary west of Swordfingal Lake.
1950-51: Frobisher Limited - Dip needle survey and 71-foot trench 1962: A.B. Thomas - DD-3-177 ft
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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10 | 31F04SE9514 | 31F04SE9514 |
63.230 | 31F04SE9516 | 31F04SE9516 |
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
Rock Type | Rank | Composition | Texture | Relationship | Calcite Marble | 1 | Contains |
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Skarn | 2 | Is |
Oct 20, 2011 (A Wilson) - Iron occurs in three northeast trending lenses of magnetite-bearing skarns over a strike length of 2000 feet. There is a narrow sill of albite granite from the Wendlsey Lake granite along the southern contact of the deposit A band of tremolite-bearing marble contains minor magnetite over a maximum width of 5 feet.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Magnetite | Economic | Ore | ||||
2 | Tremolite | Economic | Gangue |
Oct 20, 2011 (A Wilson) - A 7 foot channel sample collected by P.E. Giblin (ODM) assayed: 47.23% Fe, 0.122% S, 0.027% P. A grab sample collected by the Ontario Department of Mines in 1951 assayed 42.69% Fe, 0.30% S, 0.07% TiO2, 0.10% P2O5 and 16.43% SiO2. A grab sample collected by the OGS in 1980 assayed 40.1% Fe, 19.6% FeO, 0.04% TiO2, 0.09% P2O5 and 0.01% S. Mineralization consists of disseminated magnetite in three lenses spread along 2000 feet.
Rank | Classification |
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1 | Skarn |
Rank | Characteristic |
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1 | Stratabound |
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 171 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of base metal, precious metal, iron, and molybdenum deposits in the Pembroke-Renfrew area
Publication Number: MDC020 Page: 120-121 Date: 1980
Author: Carter T.R., Colvine A.C., Meyn H.D.
Publisher Name: Ontario Geological Survey
Location:
Map - Dungannon and Mayo townships, County of Hastings, Ontario
Publication Number: M1955-08 Scale: 1:31,680 Date: 1997
Author: Hewitt D.F., James W.
Publisher Name: Ontario Dept. of Mines
Location:
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
Location:
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