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Foucault Quarry, Brownsburg-Chatham, Argenteuil RCM, Laurentides, Québec, Canada

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Latitude & Longitude (WGS84): 45° 40' 5'' North , 74° 30' 33'' West
Latitude & Longitude (decimal): 45.6680555556, -74.5091666667

Active quarry since 1999. The following has been extracted from the MRN's Fiche de gîte (Deposit File) :

The main rock type is a quartziferous, coarse-grained, orange-brown syenite of the Chatham-Grenville sequence. Most of the quarry rock is fractured and altered.

Two metric-sized shear zones cross the quarry diagonally. Close to these shear zones, the rock is hematized, sericitized, epidotized, chloritized, and cut by brecciated and geodic calcite veins.

A significant pyrite, fluorite (green and mauve) and quartz mineralization is present in these veins.

Mineral List

4 valid minerals.

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


-Bellemare, Y. (2000): Inventaire des carrieres de Pierre, region du Sud-ouest du Quebec. Fiche de gîte du MRN. MB-2000-01

External Links

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