Ontario Geological Survey
Permanent Link to this Record:
MDI31D16NW00200
| Record Name(s) | Long Ridge Uranium Mines Ltd. - 1956 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1981-Sep-22 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Uranium
Township or Area: Monmouth
Latitude: 44° 58' 32.44" Longitude: -78° 18' 8.6"
UTM Zone: 17 Easting: 712703 Northing: 4983789 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31D16NW
Point Location Description: General
Location Method: Field Visit
Access Description: The occurrence is located 2.4 km to the west of Tory Hill.
1958: Long Ridge Uranium Mines Ltd. – stripping, DD-8-1295 ft.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 20 DD-8-1295 ft., Monmouth #29 | 31E01SE0067 | 31E01SE0067 |
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Bancroft
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Hornblende | Contains |
|---|---|---|---|---|
| Marble | 2 | Host | ||
| Pegmatite | 3 | Granitic | Near |
Feb 01, 2017 (A Wilson) - Marble, diopside rock and hornblende gneiss are cut by granite and granite pegmatite. Small uraninite cubes occur within marble consisting of calcite, diopside and phlogopite. The marble is exposed over a width of 50 ft.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Uraninite | Economic | Ore | ||||
| 2 | Calcite | Economic | Ore | ||||
| 3 | Diopside | Economic | Ore | ||||
| 4 | Phlogopite | Economic | Ore |
Feb 01, 2017 (A Wilson) - Spot-high geiger readings of 11x, 20x and 29x were recorded. At these places small uraninite cubes 1/40 to 1/20 inches were observed.
MonoMap - Geology of Glamorgan and Monmouth townships, Haliburton County
Publication Number: OFR5021 Page: 162-163 Date: 1997
Author: Armstrong H.S., Gittins J.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Uranium and thorium deposits of southern Ontario
Publication Number: OFR5311 Page: 143 Date: 1981
Author: Gordon J.B., Rybak U.C., Robertson J.A.
Publisher Name: Ontario Geological Survey
Location:
Mono - Uranium and thorium deposits of southern Ontario
Publication Number: MDC004 Page: 30 Date: 1967
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Radioactive mineral occurrences in the Bancroft area
Publication Number: ARV65-06 Page: 91 Date: 1998
Author: Satterly J., Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Monmouth Township, Haliburton County
Publication Number: M2174 Scale: 1:31,680 Date: 1970
Author: Armstrong H.S., Gittins J.
Publisher Name: Ontario Dept. of Mines
Location:
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