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Ontario Geological Survey
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MDI41H08SE00012
| Record Name(s) | Parry Island - 1922, Depot Harbour Garnet Occurrence - 1982, Garnet Abrasives Corporation Ltd. property - 1925 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1982-Mar-19 |
| Date Last Modified | 2022-Feb-24 |
| Created By | |
| Revised By |
Primary Commodities: Garnet (Nonmetals)
Township or Area: Parry Island Area
Latitude: 45° 18' 42.96" Longitude: -80° 6' 16.43"
UTM Zone: 17 Easting: 570190 Northing: 5017993 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 41H08SE
Point Location Description: Precise
Location Method: AMIS Site Visit
Access Description: Pit located on south shore of Depot Harbour on Parry Island.
Pre-1921: Garnet Abrasives Corporation Limited - trenching, prospecting. 1921: mill testing by Ontario Bureau of Mines - 5 tons of material shipped
Province: Grenville
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Schist-Unsubdivided | 1 | Adjacent |
|---|---|---|---|---|
| Gneiss-Unsubdivided | 2 | Garnet-Hornblende | Host |
Oct 05, 2010 (A Wilson) - The showing consists of wide alternating bands of hornblende gneiss and mica schist, both of which contain garnets. The garnetiferous bands can be traced from the shore for about 200 yards.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Garnet | Economic | Ore |
Oct 05, 2010 (A Wilson) - The garnets are pale red and average about pea size. They occur in zones but there are several rich bands 6-10 feet wide containing garnets up to 2 inches in size. The largest garnets are hosted within the mica schist. The garnet was deemed to have good abrasive qualities and easily mined and concentrated.
| Rank | Classification |
|---|---|
| 1 | Industrial |
Book - Abrasives, products of Canada, technology and application, part III, garnet
Publication Number: GSC Vol 677 Scale: Date: 1927
Author: V. L. Eardley-Wilmot
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/306527
Part - Statistical review of Ontario's mineral industry in 1924
Publication Number: ARV34-01.001 Scale: Date: 1997
Author: Rogers W.R., Young A.C.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Mineral occurrences in Parry Sound District
Publication Number: ARV51-02 Scale: Date: 1998
Author: Satterly J.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology and mineral deposits of the Parry Sound-Huntsville area
Publication Number: R052 Scale: Date: 1967
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Parry Sound-Huntsville area, Ontario
Publication Number: M2118 Scale: 1:126,720 Date: 1967
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, structural geology, Moon River area, Muskoka and Parry Sound districts, southern Ontario
Publication Number: P2954 Scale: 1:50,000 Date: 1986
Author: Van Berkel J.T., Schwerdtner W.M.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Sans Souci Area
Publication Number: P3551 Scale: 1:50,000 Date: 2004
Author: Culshaw N.G., Corrigan D., Ketchum J.W.F., Wallace P., Wodicka N.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Parry Sound Area
Publication Number: P3550 Scale: 1:50,000 Date: 2004
Author: Culshaw N.G., Corrigan D., Ketchum J.W.F., Wallace P., Wodicka N.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Sudbury Resident Geologist District Office