Ontario Geological Survey
Permanent Link to this Record:
MDI31C15SE00213
| Record Name(s) | Road Cut - 1969 |
|---|---|
| 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' 7.19" Longitude: -76° 32' 51.32"
UTM Zone: 18 Easting: 377677.22 Northing: 4965822.91 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C15SE
Point Location Description: road cuts along highway 7
Location Method: Data Compilation
Access Description: On Hwy 7, 0.5 km west of Maberley, on both sides of highway.
Note: Mineral Collecting Site.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Frontenac
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Quartzo-Feldspathic | Host |
|---|
Sep 18, 2015 (A Wilson) - The gneiss is well layered quartz-biotite-feldspar gneiss of varied protolith. It consists of tectonized equivalents of gabbro, diorite, and marble.
| 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 | Feldspar | Economic | Ore |
Sep 18, 2015 (A Wilson) - Road-cuts on both sides of highway expose black tourmaline and light green scapolite in quartz veins cutting feldspar gneiss. Veinlets of epidote cut the feldspar.
| 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 - Precambrian Geology, Sharbot Lake Area
Publication Number: P3440 Scale: 1:50,000 Date: 2001
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
Location:
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