Ontario Geological Survey
Permanent Link to this Record:
MDI31F04SE00155
Record Name(s) | Road Cut Highway 28 - 1986 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Discretionary Occurrence |
Date Created | 1994-Jun-08 |
Date Last Modified | 2022-Apr-26 |
Created By | |
Revised By |
Primary Commodities: Tourmaline, Gypsum, Mineral Specimen
Township or Area: Mayo
Latitude: 45° 6' 30.77" Longitude: -77° 37' 47.14"
UTM Zone: 18 Easting: 293126.474 Northing: 4998373.302 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F04SE
Point Location Description: General
Location Method: Data Compilation
Access Description: On Hwy 28, 0.4 km SE of Hermon.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
Rock Type | Rank | Composition | Texture | Relationship | Paragneiss | 1 | Contains |
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Vein | 2 | Quartz-Calcite | Host |
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Tourmaline | Economic | Ore | ||||
2 | Gypsum | Economic | Ore |
Oct 18, 2011 (A Wilson) - Black tourmaline crystals occur in quartz-calcite veins cutting rusty biotite-plagioclase gneiss. Acicular gypsum forms tufts and botryoidal crusts on the rock.
Rank | Classification |
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1 | Vein |
Rank | Characteristic |
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1 | Vein |
Publication - Rocks and minerals for the collector: Bancroft - Parry Sound area and southern Ontario; Geological Survey of Canada, Miscellaneous Report 39
Publication Number: Misc Rep 39 Page: 24 Date: 1986
Author: Sabina, A.P.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/121046
Map - Precambrian Geology, Bancroft Area
Publication Number: P3385 Scale: 1:50,000 Date: 1998
Author: Lumbers S.B., Vertolli V.M.
Publisher Name: Ontario Geological Survey
Location:
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