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Parry Island Garnet occurrence, BMA 564 884 Township, Parry Sound District, Ontario, Canadai
Regional Level Types
Parry Island Garnet occurrenceOccurrence
BMA 564 884 TownshipTownship
Parry Sound DistrictDistrict
Ontario- not defined -

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Latitude & Longitude (WGS84): 45° 18' 43'' North , 80° 6' 16'' West
Latitude & Longitude (decimal): 45.31194,-80.10444
GeoHash:G#: f0p1c0v9p
Locality type:Occurrence
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
Parry Sound6,469 (2018)6.7km

In hornblende gneiss and mica schist.
"The deposit was explored by several trenches in 1921 and a test shipment of garnet was made in the following year. The garnetiferous rocks are exposed along the north shore of Parry Island at Depot Harbour."

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals.

Detailed Mineral List:

Habit: massive
Colour: colorless
Reference: Geological Survey of Canada Miscellaneous Report 39
'Garnet Group'
Formula: X3Z2(SiO4)3
Habit: xls
Colour: pink to red
Description: Up to 4 cm in diameter.
Reference: Geological Survey of Canada Miscellaneous Report 39
Formula: C
Habit: flakes
Reference: Geological Survey of Canada Miscellaneous Report 39
Formula: Al2(SiO4)O
Habit: fibrous
Colour: colorless to white
Reference: Geological Survey of Canada Miscellaneous Report 39
Formula: Fe2+2Al9Si4O23(OH)
Habit: microprisms and grains
Colour: dark brown
Reference: Geological Survey of Canada Miscellaneous Report 39

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Semi-metals and non-metals
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Unclassified Minerals, Mixtures, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

H StauroliteFe22+Al9Si4O23(OH)
C GraphiteC
O Garnet GroupX3Z2(SiO4)3
O StauroliteFe22+Al9Si4O23(OH)
O SillimaniteAl2(SiO4)O
Al StauroliteFe22+Al9Si4O23(OH)
Al SillimaniteAl2(SiO4)O
Si Garnet GroupX3Z2(SiO4)3
Si StauroliteFe22+Al9Si4O23(OH)
Si SillimaniteAl2(SiO4)O
Fe StauroliteFe22+Al9Si4O23(OH)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on


ID: 3185648

Age: Anthropocene ( Ma)

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma

ID: 613567
Tectonite unit

Age: Proterozoic (541 - 1600 Ma)

Comments: Grenville Province

Lithology: Tectonites, straight gneisses, porphyroclastic gneisses, unsubdivided gneisses in major deformation zones, mylonites, protomylonites

Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. [1]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ann P.Sabina (1986), Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and Southern Ontario. GSC Misc. Report 39

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