Ontario Geological Survey
Permanent Link to this Record:
MDI31C11SW00077
| Record Name(s) | Tweed Pegmatites - 2000 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1990-Nov-26 |
| Date Last Modified | 2022-Feb-24 |
| Created By | |
| Revised By |
Primary Commodities: Feldspar (Nonmetals)
Township or Area: Elzevir
Latitude: 44° 34' 49.65" Longitude: -77° 15' .17"
UTM Zone: 18 Easting: 321371.872 Northing: 4938808.909 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C11SW
Point Location Description: Point 7.3 km NE of Actinolite, lot5, con 9.
Location Method: Conversion from MDI
Access Description: See Fig 101 in OFR 5717.
Province: Grenville
Geological Age: Mesoproterozoic
Dec 07, 2005 (C Papertzian) - Several pegmatites were mapped by Meen and Harding (1942) - 2 were examined in 1990. They are fine-grained (< 10 cm) with quartz, feldspar (mostly as graphic intergrowths), muscovite and minor to trace biotite, pyrite and garnet. No radioactive mineralls were seen.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Feldspar | Economic | Ore | ||||
| 10 | Muscovite | Economic | Ore | ||||
| 15 | Quartz | Economic | Ore |
Mono - Granitic pegmatites of the Bancroft area, southeastern Ontario
Publication Number: OFR5717 Scale: Date: 1990
Author: Goad B.E.
Publisher Name: Ontario Geological Survey
Location:
Map - Grimsthorpe-Kennebec area, counties of Hastings, Lennox and Addington, and Frontenac, Ontario
Publication Number: ARM51D Scale: 1:63,360 Date: 1997
Author: Meen V.B., Harding W.D.
Publisher Name: Ontario Dept. of Mines
Location:
We are continuously updating our assessment file / technical report information. If you notice errors in the data, please contact us.
Please review our Terms of Use agreement for this data product.
For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office