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Trottier quarry, Trottier, Sainte-Hélène-de-Chester, Arthabaska RCM, Centre-du-Québec, Québec, Canada

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Latitude & Longitude (WGS84): 46° 3' 39'' North , 71° 42' 17'' West
Latitude & Longitude (decimal): 46.06083,-71.70472
GeoHash:G#: f2jn0345y
Locality type:Quarry
Köppen climate type:Dfb : Warm-summer humid continental climate


Formerly: Trottier, Chester-Est, Arthabaska RCM, Centre-du-Québec, Québec, Canada

Trottier quarry is an informal name, it may not have an official one. In 2007 & 2008 the quarry was owned by Luc Langlois of Les carrières Saint-Ferdinand. This is a more chalky dolomite marble.



Extract from the website of the MRNF (Quebec's Department of Mineral Resources and Fauna) :

The quarry was opened by Graybec in 1989; later, Les carrières Saint-Ferdinand acquired the property, and started its operations, in 2004.

The geological description reads as follows :

Oakhill Group dolomite (White Brooke Formation), varying from a very light gray to a bluish gray, sometimes pale brown, violet, greenish, or red. There are two dolomite levels, obviously tectonized (folded or knobbed), separated by fragments of chlorite schist, of laminated finely grained sandstone, and by thin beds of conglomerates of 2-4 mm quartz grains.

There are quartz veins to 40 cm (16 inches), and also mineralization (specular hematite) in both the dolomite and the quartz veins.

In the southeastern part of the quarry, there is a 5-meter (16 ft) level of slightly dolomitic quartzitic sandstone, in thick and massive beds (Pinnacle Formation ?). Finally, greenish dark grey mudshale or schist limits the quarry at the Southeast.

Translated from this original MRNF text :

Dolomie du Groupe de Oak Hill (Formation de White Brook), variant de gris très clair à gris bleuté, parfois brun pâle, violet, verdâtre ou rouge. Ces dolomies forment deux niveaux, horizons ou lentilles de quelques décimètres d'épaisseur, visiblement tectonisés (plissés ou boudinés). Ces niveaux sont séparés par des lambeaux de schiste à chlorite, de grès fin, laminé et de minces lits de conglomérats à particules de quartz de 2 à 4 mm.

Présence de veines de quartz d'une largeur variant de 0,2 à 40 cm.

Présence également de minéralisation (hématite spéculaire) se retrouvant dans la dolomie et dans les veines de quartz. Du côté sud-est de la carrière, on note la présence d'un niveau de 5 m constitué de grès quartzitique légèrement dolomitique, en bancs épais et massif (Formation de Pinnacle ?). Finalement, l'exploitation se limite vers le sud-est à un mudshale ou schiste, gris foncé verdâtre.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Jean-Yves Lamoureux - observation in field
Calcite
Formula: CaCO3
Reference: Horváth, Levinger, Tarassoff collections
Dolomite
Formula: CaMg(CO3)2
Reference: Jean-Yves Lamoureux - four (4) field trips to the quarry
Hematite
Formula: Fe2O3
Reference: Horváth, Levinger, Tarassoff collections
Monazite-(Ce)
Formula: Ce(PO4)
Reference: Horváth, Levinger, Tarassoff collections
Quartz
Formula: SiO2
Reference: Horváth, Levinger, Tarassoff collections
Rutile
Formula: TiO2
Reference: Horváth, Levinger, Tarassoff collections

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Hematite'4.CB.05Fe2O3
'Quartz'4.DA.05SiO2
'Rutile'4.DB.05TiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
'Dolomite'5.AB.10CaMg(CO3)2
Group 8 - Phosphates, Arsenates and Vanadates
'Monazite-(Ce)'8.AD.50Ce(PO4)
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O AlbiteNa(AlSi3O8)
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O HematiteFe2O3
O Monazite-(Ce)Ce(PO4)
O QuartzSiO2
O RutileTiO2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al AlbiteNa(AlSi3O8)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
PPhosphorus
P Monazite-(Ce)Ce(PO4)
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
TiTitanium
Ti RutileTiO2
FeIron
Fe HematiteFe2O3
CeCerium
Ce Monazite-(Ce)Ce(PO4)

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

Cambrian - Neoproterozoic
485.4 - 1000 Ma



ID: 3192597
Precambrian-Phanerozoic volcanic rocks

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Lithology: Mafic volcanic 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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Fredric A Schuster, personal visit

External Links



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