Ontario Geological Survey
Permanent Link to this Record:
MDI31F04SW00016
| Record Name(s) | Bronson Lake - 1985, Bronson - 2000 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1985-Nov-26 |
| Date Last Modified | 2022-Feb-25 |
| Created By | |
| Revised By |
Primary Commodities: Feldspar (Nonmetals)
Township or Area: Dungannon
Latitude: 45° 2' 43.83" Longitude: -77° 45' 53.99"
UTM Zone: 18 Easting: 282248.453 Northing: 4991725.35 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F04SW
Point Location Description: Dot symbol ' Fel ' just N of Bronson Lake and CNR.
Location Method: Conversion from MDI
Access Description: The deposit is 45 m N of the Bronson-Detlor Road, 2.4 km E of Bronson Station. The pegmatite is exposed in a large outcrop on the S-facing brow of a hill.
Unknown history : 3 cuts - 3.6 x 4.5 x 2.0 m deep, 6 x 4.5 x up to 1.0 m deep, a slash 6 m long along strike.
Province: Grenville
Geological Age: Mesoproterozoic
Dec 07, 2005 (C Papertzian) - A pink, largely homogeneous pegmatite made up of quartz (10-15 %) and microcline, hosted by garnet paragneiss. The exposed length is about 40 m. The microcline averages 10-15 cm in diameter (up to 45 cm). See MDC 22 for good description.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Tourmaline | Economic | Ore | ||||
| 2 | Microcline | Economic | Ore | ||||
| 3 | Garnet | Economic | Ore | ||||
| 4 | Quartz | Economic | Ore |
Part - Geology of Dungannon and Mayo townships
Publication Number: ARV64-08 Scale: Date: 1998
Author: Hewitt D.F., James W.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Pegmatite mineral resources of Ontario
Publication Number: IMR021 Scale: Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, industrial minerals of the Pembroke-Renfrew area, southern Ontario
Publication Number: P2209 Scale: 1:126,720 Date: 1980
Author: Vos M.A., Storey C.C.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Industrial minerals of the Pembroke-Renfrew area, part 2
Publication Number: MDC022 Scale: Date: 1981
Author: Storey C.C., Vos M.A.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Industrial minerals of the Algonquin region
Publication Number: OFR5425 Scale: Date: 1983
Author: Martin W.
Publisher Name: Ontario Geological Survey
Location:
Mono - Granitic pegmatites of the Bancroft area, southeastern Ontario
Publication Number: OFR5717 Scale: Date: 1990
Author: Goad B.E.
Publisher Name: Ontario Geological Survey
Location:
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