Abstract
Marine Jurassic sediments of this area can be tentatively correlated with those in the Central Plains of Alberta and in the Foothills to the west. The Fernie group consists of dark marine shales and sandstones with minor amounts of limestone and chert. Southeast of Sturgeon Lake limestones and cherts become prominent in the lowermost part of the group. The constant lithology permits well defined correlations except where there is a lateral facies change. The distribution of these beds was influenced by late Jurassic or early Cretaceous erosion. The strata are truncated to the north and northeast. They overlie with erosional unconformity either Triassic or Paleozoic sediments. End_of_Article - Last_Page 414------------
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