Ontario Geological Survey
Permanent Link to this Record:
MDI31F04NE00060
| Record Name(s) | Parkhurst Lake - 1985 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1985-Nov-18 |
| Date Last Modified | 2022-May-16 |
| Created By | |
| Revised By |
Primary Commodities: Garnet (Nonmetals)
Secondary Commodities: Nickel, Copper
Township or Area: Ashby
Latitude: 45° 7' 59.22" Longitude: -77° 30' 48.06"
UTM Zone: 18 Easting: 302368.943 Northing: 5000811.391 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F04NE
Point Location Description: Diamond symbol 'GAR 3 ', 2.5 Km. ESE from NW corner of Ashby Township.
Location Method: Conversion from MDI
Access Description: The occurrence is located in the south part of a large garnet-biotite gneiss outcrop area shown on Evans' [1964] map.It is reached by a logging road from Highway 500 [shown on both Evans' map and the NTS map ].The pit is immediately east of the road , 550 m. south of the stream entrance to a small, unnamed lake just east of Parkhurst Lake. [adjacent to the road].
A small pit has been blasted out of a sillimanite-garnet gneiss outcrop.[OGS 1964,GR 26 ] The pit is 1.5m by 2.4m and 0.6 to 1m deep.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.14168 | 41I10SE0003 | 41I10SE0003 |
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
Dec 07, 2005 (C Papertzian) - The area is underlain by paragneiss and amphibolite of the Hermon Formation. These rocks are intruded by late quartz monzonite 450m to the west.[ Evans 1964, Lumbers 1980 ].Garnet occurs sporadically in the gneiss units shown by Evans [1964]. See OGS 1981, MDC 22 for a good description of the occurrence.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Garnet | Economic | Ore | ||||
| 10 | Sillimanite | Economic | Ore |
Publication - Summary report of investigations made by the Mines Branch during the calendar year ending December 31, 1921; Canada Mines Branch, Publication no. 586
Publication Number: CMB Pub 586 Page: 84, 158-159 Date: 1923
Author:
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/20739
Map - Ashby Township, County of Lennox and Addington, Ontario
Publication Number: M2031 Page: 33 Scale: 1:31,680 Date: 1997
Author: Evans A.M., Appleyard E.C.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of Ashby and Denbigh townships
Publication Number: R026 Page: 33 Date: 1997
Author: Evans A.M.
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 Page: 39 Date: 1981
Author: Storey C.C., Vos M.A.
Publisher Name: Ontario Geological Survey
Location:
Map - Ashby Township, County of Lennox and Addington, Ontario
Publication Number: M2031 Page: 33 Scale: 1:31,680 Date: 1997
Author: Evans A.M., Appleyard E.C.
Publisher Name: Ontario Dept. of Mines
Location:
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