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Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canadai
Regional Level Types
Lauréat Lachance QuarryQuarry (Inactive)
StratfordMunicipality
Le Granit RCMRegional County Municipality
EstrieAdministrative Region
QuébecProvince
CanadaCountry

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01559850017272365522089.jpg
View of one of the quarries with the cell phone tower on the top of mount Aylmer behind.

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
02091190017272365535820.jpg
View from the quarry on Mount Aylmer looking north west towards Lac Elgin.

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
06664170017272365546023.jpg
My rockhound Bonita with the drilled quarry walls behind her

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
01559850017272365522089.jpg
View of one of the quarries with the cell phone tower on the top of mount Aylmer behind.

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
02091190017272365535820.jpg
View from the quarry on Mount Aylmer looking north west towards Lac Elgin.

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
06664170017272365546023.jpg
My rockhound Bonita with the drilled quarry walls behind her

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
01559850017272365522089.jpg
View of one of the quarries with the cell phone tower on the top of mount Aylmer behind.

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
02091190017272365535820.jpg
View from the quarry on Mount Aylmer looking north west towards Lac Elgin.

Lauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada
Latitude & Longitude (WGS84):
45° 44' 47'' North , 71° 17' 45'' West
Latitude & Longitude (decimal):
Type:
Quarry (Inactive) - last checked 2020
Deposit first discovered:
1961
Age:
419.2 ± 3.2 to 358.9 ± 0.4 Ma
Geologic Time:
Nearest Settlements:
PlacePopulationDistance
Weedon Centre1,059 (2019)13.4km
Saint-Joseph-de-Coleraine1,319 (2016)25.1km
Lac-Mégantic4,658 (2016)36.9km
Adstock2,643 (2016)37.6km
Thetford-Mines25,704 (2016)38.6km
Mindat Locality ID:
344805
Long-form identifier:
mindat:1:2:344805:5
GUID (UUID V4):
0


In 1961, Stratford Granite Association and the Compagnie de Granite Éternité Ltée opened the first quarries 1 and 2 on lot 9 on top of Mount Aylmer, Stratford, Qc. 2.5 miles (ca. 4 km) southwest of Stratford Centre and operated on an intermittent basis, closing in 1998.

The quarries operated to produce funeral monuments because of the fine grain of the granite. They lie within the Devonian Aylmer granitic pluton, comprising granite, biotite granodiorite, granitic dykes and minor quartz veins.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


1 valid mineral.

Rock Types Recorded


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Alphabetical List Tree Diagram

Detailed Mineral List:

'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Fred Schuster collectionIdentified by Ralph S Bottrill: Visual Identification
Quartz
Formula: SiO2
References:
Fred Schuster collectionIdentified by Ralph S Bottrill: Visual Identification

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OOxygen
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O QuartzSiO2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si QuartzSiO2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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