Ontario Geological Survey
Permanent Link to this Record:
MDI31L04NE00003
| Record Name(s) | Durrell Bay - 1940 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Developed Prospect Without Reported Reserves or Resources |
| Date Created | 1980-Apr-11 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Mica
Township or Area: Patterson
Latitude: 46° 9' 49.84" Longitude: -79° 40' 2.64"
UTM Zone: 17 Easting: 602881 Northing: 5113115 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 31L04NE
Point Location Description: approximate
Location Method: Data Compilation
1940's: North Bay Mica Company Limited - 4500 tons of muscovite concentrate were shipped from the site.
Province: Grenville
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Host |
|---|---|---|---|---|
| Gabbro | 2 | Gabbro | Adjacent |
Apr 23, 2009 (A Wilson) - The deposit is described as an irregularly shaped pegmatite dike up to 50 feet across and striking N75E. The pegmatite intrudes a small metagabbro stock. The workings are describes an open cut 20 feet wide and 10 feet long with a 10 foot face. The dike is locally sheared and dips subvertically.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Muscovite | Economic | Ore |
Apr 23, 2009 (A Wilson) - The dike is comprised of quartz, perthitic microcline and light green muscovite. The muscovite forms crystals up to 18 inches across. Most of the muscovite is concentrated in a 20 ft. wide zone trending across the dike near the face of the cut. Accessory hematite was observed throughout the dike.
| Rank | Classification |
|---|---|
| 1 | Pegmatite |
MonoMap - Geology of the North Bay area, districts of Nipissing and Parry Sound
Publication Number: R094 Page: 89 Date: 1971
Author: Lumbers S.B.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Map - North Bay area, Nipissing and Parry Sound districts
Publication Number: M2216 Scale: 1:126,720 Date: 1971
Author: Lumbers S.B.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
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