Ontario Geological Survey
Permanent Link to this Record:
MDI31F04SW00267
| Record Name(s) | Coltson Lake Deposit - 2000 |
|---|---|
| Related Record Type | Simple |
| Record Status | Occurrence |
| Date Created | 1982-Nov-15 |
| Date Last Modified | 2022-Jan-05 |
| Created By | Q Unknown |
| Revised By | C Papertzian |
Primary Commodities: Magnetite
Township or Area: Dungannon
Latitude: 45° 4' 5.13" Longitude: -77° 49' 11.63"
UTM Zone: 18 Easting: 278012.42 Northing: 4994383.463 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F04SW
Point Location Description: Symbol for occurrence, ' Fe 24 '.
Location Method: Conversion from MDI
Access Description: Exposed in a rock cut on Hwy 500, opposite Coltson Lake.
Province: Grenville
Geological Age: Mesoproterozoic
Dec 07, 2005 (C Papertzian) - A narrow lens of disseminated-massive magnetite (66.3 % Fe), up to 3 m long and about 0.3 m wide, within a syenite pegmatite dyke. A large area of nepheline syenite also contains disseminated magnetite.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Magnetite | Economic | Ore |
MonoMap - Geology of base metal, precious metal, iron, and molybdenum deposits in the Pembroke-Renfrew area
Publication Number: MDC020 Scale: Date: 1980
Author: Carter T.R., Colvine A.C., Meyn H.D.
Publisher Name: Ontario Geological Survey
Mono - Metallogeny of the Grenville Province, southeastern Ontario
Publication Number: OFR5515 Scale: Date: 1984
Author: Carter T.R.
Publisher Name: Ontario Geological Survey
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