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Trafford tourmaline occurrence (Burns Farm #2 ?), Sheffield Township, Lennox and Addington Co., Ontario, Canada

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Latitude & Longitude (WGS84): 44° 32' 31'' North , 76° 51' 57'' West
Latitude & Longitude (decimal): 44.54194,-76.86583
GeoHash:G#: drcm6us58
Locality type:Occurrence
Köppen climate type:Dfb : Warm-summer humid continental climate


A granite pegmatite. It is not certain if this locality in the MDI database is the same one mentioned in Harley Leach's book, however it is certainly in the same general area ( within 1km)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

'Mica Group'
Reference: Leach, Harley. (1973)
Quartz
Formula: SiO2
Reference: Leach, Harley. (1973)
Spinel
Formula: MgAl2O4
Reference: MDI Number: MDI31C10SW00069
Titanite
Formula: CaTi(SiO4)O
Reference: Leach, Harley. (1973)
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Leach, Harley. (1973)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
'Spinel'4.BB.05MgAl2O4
Group 9 - Silicates
'Titanite'9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Mica Group'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Mica Group'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O QuartzSiO2
O SpinelMgAl2O4
O TitaniteCaTi(SiO4)O
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
MgMagnesium
Mg SpinelMgAl2O4
AlAluminium
Al SpinelMgAl2O4
SiSilicon
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
CaCalcium
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O

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 Macrostrat.org

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma



ID: 620096
Early felsic plutonic rock

Age: Proterozoic (541 - 1600 Ma)

Comments: Grenville Province Central Metasedimentary Belt

Lithology: Granodiorite, tonalite, monzogranite, syenogranite; derived gneisses and migmatites

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]

Ectasian
1200 - 1400 Ma



ID: 3184628
Mesoproterozoic crystalline metamorphic rocks

Age: Ectasian (1200 - 1400 Ma)

Lithology: Crystalline metamorphic rocks

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]

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Leach, Harley. (1973) 200 Mineral Locations in Southern Ontario. p42 Burns Farm #2

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