Ontario Geological Survey
Permanent Link to this Record:
MDI31C15SE00242
| Record Name(s) | Ritchie Mine - 1899 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1982-Mar-18 |
| Date Last Modified | 2022-May-24 |
| Created By | |
| Revised By |
Primary Commodities: Magnetite
Township or Area: South Sherbrooke
Latitude: 44° 50' .86" Longitude: -76° 30' 16.91"
UTM Zone: 18 Easting: 381064 Northing: 4965564 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C15SE
Point Location Description: pit
Location Method: Data Compilation
Access Description: South of Hwy 7 between Fagan Lake and Silver Lake.
Pre- 1899: small test pit sunk to a depth of about 10 feet
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Frontenac
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Host |
|---|
Sep 17, 2015 (A Wilson) - The small test pit shows magnetite in narrow bands at the north and south ends. The ore bands follow the strike of the enclosing gneissic rock and dip to the south.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Magnetite | Economic | Ore | ||||
| 2 | Calcite | Economic | Gangue | ||||
| 3 | Mica | Economic | Gangue | ||||
| 4 | Hornblende | Economic | Gangue |
Sep 17, 2015 (A Wilson) - A picked sample assayed 67.6% Fe, but the average percentage of the of iron in any considerable tonnage would be low. The magnetite is mixed with gangue mater comprising calcite, mica and hornblende.
| Rank | Characteristic |
|---|---|
| 1 | Disseminated |
Publication - Report on the iron ore deposits along the Kingston and Pembroke Railway in eastern Ontario; Geological Survey of Canada, Annual Report vol. 12, (1899), pt. I
Publication Number: GSC AR 12 I Page: 42-43 Date: 1901
Author: Ingall, E D
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/287887
Publication - Iron deposits of eastern Ontario and adjoining Quebec; Geological Survey of Canada, Bulletin 45
Publication Number: GSC Bulletin 45 Page: 43 Date: 1958
Author: Rose, E.R.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/100563
MonoMap - Geological notes for maps nos. 2053 and 2054, Madoc-Gananoque area
Publication Number: S012 Page: 25 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 254 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Book - Mineral Occurrences of Lanark (unpublished)
Publication Number: Page: 97 Date: 1944
Author: Satterly, J.
Publisher Name: Ontario Department of Mines
Location: Tweed RGP
Mono - Report Of The Ontario Iron Ore Committee With Appendix 1923
Publication Number: NSP013 Page: 232 Date: 1998
Author:
Publisher Name:
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