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OverviewIn the Bighorn Basin of north-central Wyoming and south-central Montana, the Frontier Formation of early Late Cretaceous age consists of siliciclastic, bentonitic, and carbonaceous beds that were deposited in marine, brackish-water, and continental environments. Most lithologic units are laterally discontinuous. The Frontier Formation conformably overlies the Mowry Shale and is conformably overlain by the Cody Shale. Molluscan fossils collected from outcrops of these formations and listed in this report are mainly of marine origin and of Cenomanian, Turonian, and Coniacian ages. Full Product DetailsAuthor: E A Merewether , W A Cobban , R W TillmanPublisher: Bibliogov Imprint: Bibliogov Dimensions: Width: 18.90cm , Height: 0.30cm , Length: 24.60cm Weight: 0.127kg ISBN: 9781288863662ISBN 10: 1288863667 Pages: 60 Publication Date: 07 March 2013 Audience: General/trade , General Format: Paperback Publisher's Status: Active Availability: In stock  We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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