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Ontario Geological Survey
Permanent Link to this Record:
MDI31C09NW00063
| Record Name(s) | Sample No. 105 - 1949, OGS Le-7 - 1979, Crosby West - 1993 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1993-Mar-11 |
| Date Last Modified | 2022-Jan-26 |
| Created By | |
| Revised By |
Primary Commodities: Sandstone (Silica), Silica Sand
Township or Area: South Crosby
Latitude: 44° 39' 26.02" Longitude: -76° 16' 54.32"
UTM Zone: 18 Easting: 398377.36 Northing: 4945672.96 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C09NW
Point Location Description: Point 1.8 km WNW of Crosby.
Location Method: Data Compilation
Access Description: 2 miles east of Newboro station, between Hwy 42 and the railway, in a 10 ft cliff.
Province: Paleozoic and Mesozoic Basins
Geological Age: Paleozoic
| Rock Type | Rank | Composition | Texture | Relationship | Sandstone | 1 | Is |
|---|---|---|---|---|
| Conglomerate | 2 | Quartz Pebble | Footwall |
Nov 20, 2013 (A Wilson) - Potsdam sandstone is exposed in a 10 ft cliff face. The upper 4 feet of the section shows some limonite spots from 4-8 mm in diameter and a pitted surface. The pitted surface suggest the presence of concretionary carbonate masses in the cementing mud. The lower 6 feet of the section is composed of white siliceous sandstone.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Silica | Economic | Ore |
Nov 20, 2013 (A Wilson) - Sample 105 assayed: 98.41% SiO2, 0.19% Fe2O3, 0.54% Al2O3, 0.07% MgO and 0.39% CaO.
Part - Sandstone as a source of silica sands in southeastern Ontario
Publication Number: ARV55-05 Scale: Date: 1997
Author: Keith M.L.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Silica sand potential in eastern Ontario, preliminary report 1
Publication Number: OFR5265 Scale: Date: 1979
Author: Powell R.D., Klugman M.A.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office