Ontario Geological Survey
Permanent Link to this Record:
MDI31F07NE00059
| Record Name(s) | OGS Sample R77-30-8 - 1977, Goshen B Occurrence - 1981 |
|---|---|
| Related Record Type | Simple |
| Record Status | Occurrence |
| Date Created | 1986-Mar-04 |
| Date Last Modified | 2022-Jan-05 |
| Created By | Q Unknown |
| Revised By | A Wilson |
Primary Commodities: Thorium
Secondary Commodities: Uranium
Township or Area: McNab
Latitude: 45° 26' 49.35" Longitude: -76° 35' 50.11"
UTM Zone: 18 Easting: 375095.003 Northing: 5033854.004 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F07NE
Point Location Description: A67 on P2210
Location Method: Data Compilation
Access Description: The occurrence is in a low roadcut on the west side of Hwy 417, approx. 5 km SE of the town of Renfrew, and 1.5 km south of bridge over the CNR tracks.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Granite | Host |
|---|---|---|---|---|
| Gneiss-Unsubdivided | 2 | Contains |
Sep 09, 2011 (A Wilson) - The pegmatite are cut by calcite-feldspar veins and display well developed jointing and fracturing. The calcite vines are characterized by brecciation and what appears to be fenitization. The joints and fractures contain abundant hematite and adjacent potash feldspars display a red staining.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Biotite | Economic | Ore | ||||
| 2 | Magnetite | Economic | Ore |
Sep 09, 2011 (A Wilson) - A selected sample assayed 24 ppm U3O8 and 426 ppm Th. High levels of radioactivity, up to 2500 cpm U+Th were recorded in the fractured zone.
| Rank | Classification |
|---|---|
| 1 | Pegmatite |
MonoMap - Radioactive mineral deposits of the Pembroke-Renfrew area
Publication Number: MDC023 Scale: Date: 1981
Author: Masson S.L., Gordon J.B.
Publisher Name: Ontario Geological Survey
Mono - Uranium and thorium deposits of southern Ontario
Publication Number: OFR5311 Scale: Date: 1981
Author: Gordon J.B., Rybak U.C., Robertson J.A.
Publisher Name: Ontario Geological Survey
Map - Renfrew, Precambrian geology
Publication Number: M2462 Scale: 1:100,000 Date: 1983
Author: Lumbers S.B.
Publisher Name: Ontario Geological Survey
Map - Geological series, radioactive mineral deposits of the Pembroke-Renfrew area, southern Ontario
Publication Number: P2210 Scale: 1:126,720 Date: 1980
Author: Masson S.L., Gordon J.B., Storey C.C.
Publisher Name: Ontario Geological Survey
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