Ontario Geological Survey
Permanent Link to this Record:
MDI31C15SE00137
| Record Name(s) | Concession 11, Lot 17 - 1989, Sample 1903 - 1989 |
|---|---|
| Related Record Type | Simple |
| Record Status | Discretionary Occurrence |
| Date Created | 1991-Jun-25 |
| Date Last Modified | 2022-Jan-05 |
| Created By | Q Unknown |
| Revised By | A Wilson |
Primary Commodities: Marble (Structural Material)
Township or Area: South Sherbrooke
Latitude: 44° 52' 30.9" Longitude: -76° 33' 21.21"
UTM Zone: 18 Easting: 377106 Northing: 4970270 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C15SE
Point Location Description: grab sample 1903
Location Method: Data Compilation
Access Description: Take the second concession road off the road through Maberly. The sample was taken at the first intersection, Concession XI, Lot 16.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Frontenac
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Marble | 1 | Pyroxenitic | Is |
|---|
Sep 19, 2015 (A Wilson) - Marble in this local map area is grey laminated with a variable impurity content. Grey and buff laminated marble occurs throughout the area, and is generally low in impurity content. Narrow beds of dolomitic marble occur primarily in the southeast portion of the map area. Granite and pegmatite units intrude conformably into the marble.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Dolomite | Economic | Ore |
Sep 19, 2015 (A Wilson) - Most of the samples taken from this marble belt have low SiO2 contents, usually less than 2 weight percent. Most of the "calcitic marble" samples in this area are actually of dolomitic calcitic marble composition, with the MgO content ranging from 4 to 9 weight percent. Trace and metallic element contents are low in all samples in this belt.
| Rank | Characteristic |
|---|---|
| 1 | Stratabound |
Mono - Uranium and thorium deposits of northern Ontario
Publication Number: MDC025 Scale: Date: 1984
Author: Robertson J.A., Gould K.L.
Publisher Name: Ontario Geological Survey
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