Ontario Geological Survey
Permanent Link to this Record:
MDI31C15SE00101
| Record Name(s) | S. Dowdell Property - 1907 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Jun-25 |
| Date Last Modified | 2022-May-24 |
| Created By | |
| Revised By |
Primary Commodities: Mica
Township or Area: South Sherbrooke
Latitude: 44° 45' 15.52" Longitude: -76° 32' 44.22"
UTM Zone: 18 Easting: 377662 Northing: 4956820.01 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C15SE
Point Location Description: trench
Location Method: AMIS Site Visit
Access Description: 2.2 km west-southwest of Bollingbroke.
1907 – S. Dowdell – owner; property worked by D. Anderson of Perth. The largest pit was 20 ft. deep
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Frontenac
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Calcite | Host |
|---|---|---|---|---|
| Gneiss-Unsubdivided | 2 | Quartzo-Feldspathic | Contains | |
| Marble | 3 | Contains |
Sep 18, 2015 (A Wilson) - A 3 foot wide vein carries phlogopite and pink calcite. It occurs on the contact between the gneiss and marble. The contact trends N75E. The formation has been intruded by later granite dykes that carry considerable tourmaline.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Calcite | Economic | Ore | ||||
| 2 | Phlogopite | Economic | Ore | ||||
| 3 | Tourmaline | Economic | Ore |
Sep 18, 2015 (D Laidlaw) - A lead 3 feet wide carries phlogopite and pink calcite.
| Rank | Classification |
|---|---|
| 1 | Industrial |
| Rank | Characteristic |
|---|---|
| 1 | Vein |
Publication - Mica, its occurrence, exploitation and uses; Canada Mines Branch, Publication no. 118
Publication Number: CMB Pub 118 Page: 184-185 Date: 1912
Author: de Schmid, H. S.
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/297232
Mono - Phlogopite mica in Ontario
Publication Number: MDC008 Page: 77-78 Date: 1968
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Book - Mineral Occurrences of Lanark (unpublished)
Publication Number: Page: 168 Date: 1944
Author: Satterly, J.
Publisher Name: Ontario Department of Mines
Location: Tweed RGP
Map - Precambrian Geology, Sharbot Lake Area
Publication Number: P3440 Scale: 1:50,000 Date: 2001
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
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