1¾ « Å The Paleozoic of the Ottawa Area
POTSDAM GROUP
The Potsdam Group consists of Early Ordovician sandstone and conglomerate which
unconformably overlie the Precambrian basement. The Covey Hill Formation consists of interbedded feldspathic conglomerates and sandstone, while the Nepean Formation is an interbedded quartz sandstone and conglomerate. The inarticulate brachiopod Lingulepis acuminata can be found here.
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he Nepean Formation is an interbedded quartz sandstone and € Å w Å , € ¾ ÿÿÆ ÿÿ ÿÿ$ ÿÿ1 ÿÿ7 ÿÿX ÿÿ^ ÿÿ³ ÿÿÖ ÿÿÜ ÿÿâ ÿÿè ÿÿ ÿÿ ÿÿR ÿÿX ÿÿ† ÿÿŒ ÿÿ½ ÿÿ ½ Å ÿÿÇ ÿÿ ÿÿ$ ÿÿ1 ÿÿ7 ÿÿX ÿÿ^ ÿÿ³ ÿÿÖ ÿÿÜ ÿÿâ ÿÿè ÿÿ ÿÿ ÿÿR ÿÿX ÿÿ† ÿÿŒ ÿÿ½ ÿÿ Arial rbedded feldspathic conglomerates and sandstone, while the Nepean Formation is an interbedded quartz sandstone and