Ontario Geological Survey
Permanent Link to this Record:
MDI41I10SE00005
| Record Name(s) | Loughrin Feldspar - 1980, Plexterre - 1953, Industrial Minerals Corp. - 1923, Stewart and Rayner - 1925, Simpson Lake Property - 1954 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Developed Prospect Without Reported Reserves or Resources |
| Date Created | 1980-Apr-03 |
| Date Last Modified | 2023-Mar-29 |
| Created By | |
| Revised By |
Primary Commodities: Feldspar (Nonmetals), Silica
Secondary Commodities: Uranium
Township or Area: Loughrin
Latitude: 46° 37' 17.15" Longitude: -80° 32' 41.77"
UTM Zone: 17 Easting: 534840 Northing: 5163197 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 41I10SE
Point Location Description: open cut
Location Method: AMIS Site Visit
Access Description: Hwy 17 east of Sudbury. 10.8km north on Kukagami Lake road to old railbed. Travel east on railbed 5.4km to Crerar crossing. Take trail south approx 1km to access trail heading west to site.
1923-24: Industrial Mineral Corporation - mining, pitting, trenching. 1923-24: Stewart and Rayner - mining, pitting, trenching. 1953: Plexterre Mining Corporation - DD-4-159 ft. 1957-60: LuckyCreek Mining Company Limited - stripping, sampling, drilling
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Loughrin-0011-A1 | 41I10SE0001 | 41I10SE0001 |
| Loughrin-0010-A1 | 41I10SE0004 | 41I10SE0004 |
Province: Grenville
Subprovince: Central Gneiss Belt
Terrane: Tomiko
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Host |
|---|---|---|---|---|
| Gneiss-Unsubdivided | 2 | Host |
Feb 24, 2009 (A Wilson) - The occurrence is described as a 30 foot dike with microcline, quartz, albite and biotite. The dike has an exposed length of several hundred feet. The site was worked in 1923-24 by Industrial Mineral Corporation and by Messrs. Stewart and Rayner in 1926-27. The pit was reportedly 225 ft by 30 ft by 30 ft deep and approximately 8000 tons of feldspar and 1000 tons of quartz were shipped.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Feldspar | Economic | Ore | ||||
| 2 | Quartz | Economic | Ore | ||||
| 3 | Biotite | Economic | Ore | ||||
| 4 | Uranophane | Economic | Ore |
Aug 17, 2012 (A Wilson) - Radioactivity ranges from 3 to 9 times background. Grab samples collected by Lucky Creek returned assays ranging from 0.02% U3O8 to 13.40% U3O8. The feldspar is described as being of good grade and could be extracted by open cutting.
| Rank | Classification |
|---|---|
| 1 | Pegmatite |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1923 | 907 | 8000 tons of feldspar and 1000 tons of quartz were shipped. |
Mono - Feldspar in Ontario
Publication Number: IMR003 Page: 13 Date: 1998
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Pegmatite mineral resources of Ontario
Publication Number: IMR021 Page: 19 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Publication - Feldspar, Canada Mines Branch Publication 731
Publication Number: CMB Pub 731 Page: 61 Date: 1932
Author: Spence, H. S.
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/307887
Map - Precambrian Geology, Henry and Loughrin Townships
Publication Number: P3535 Scale: 1:20,000 Date: 2004
Author: Easton R.M., ter Meer M.
Publisher Name: Ontario Geological Survey
Location:
Mono - Geology and Mineral Potential of the Paleoproterozoic River Valley Intrusion and Related Rocks, Grenville Province
Publication Number: OFR6123 Page: 55 Date: 2003
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
Location:
Mono - Industrial minerals of the Sudbury area
Publication Number: OFR5329 Page: 102 Date: 1981
Author: Vos M.A., Smith B.A., Stevenato R.J.
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 Sudbury Resident Geologist District Office