Cambrian Potsdam sandstone exposed at Pointe du Buisson, on the south shore of the St. Lawrence near Montreal. The sandy veins cross-cutting bedding have been interpreted as Seismites that record earthquake shaking and soft sediment deformation 500 million years ago. What do you see, @keepitrheol ?
#Cambrian #Sandstone #Seismite #Quebec #Geology #PaleoEarthquake