Ontario Geological Survey
Permanent Link to this Record:
MDI31C16SW00112
| Record Name(s) | Road Cut, Highway 7 - 1970 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1994-Jun-09 |
| Date Last Modified | 2022-Mar-04 |
| Created By | |
| Revised By |
Primary Commodities: Tourmaline, Mineral Specimen
Township or Area: South Sherbrooke
Latitude: 44° 50' 33.86" Longitude: -76° 29' 54.39"
UTM Zone: 18 Easting: 381577.21 Northing: 4966572.89 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C16SW
Point Location Description: outcrop on north side of highway opposite McGowan Lake
Location Method: Data Compilation
Access Description: 5.5 km west of Brooke in roadcut.
Note: Mineral Collecting Site.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Frontenac
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Host |
|---|---|---|---|---|
| Gneiss-Unsubdivided | 2 | Hornblende | Hanging Wall |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Tourmaline | Economic | Ore | ||||
| 2 | Scapolite | Economic | Ore | ||||
| 3 | Epidote | Economic | Ore | ||||
| 4 | Magnetite | Economic | Ore | ||||
| 5 | Hornblende | Economic | Ore |
Sep 18, 2015 (A Wilson) - Tourmaline, scapolite and epidote are found within the pegmatite. Magnetite is found within the gneiss.
| Rank | Characteristic |
|---|---|
| 1 | Disseminated |
Publication - Rocks and minerals for the collector: Hull-Maniwaki, Quebec; Ottawa-Peterborough, Ontario;Geological Survey of Canada, Paper 69-50
Publication Number: Paper 69-50 Scale: Date: 1970
Author: Sabina, A.P.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/103344
Map - Geology Perth, Lanark and Leeds Counties, Ontario
Publication Number: Map 1089A Scale: 1:63,360 Date: 1961
Author: Wilson, M E; Dugas, J
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/107951
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