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Cretaceous |
Also found in: Wikipedia, Hutchinson | 0.03 sec. |
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Cretaceous of, denoting, or formed in the last period of the Mesozoic era, between the Jurassic and Tertiary periods, lasting 80 million years during which chalk deposits were formed and flowering plants first appeared Cretaceous [kri′tā·shəs] (geology) In geological time, the last period of the Mesozoic Era, preceded by the Jurassic Period and followed by the Tertiary Period; it extended from 144 million years to 65 million years before present. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| It has over 165 wells in several reservoirs of the Middle Cretaceous age, from Rumaila A limestones with 27-28 deg. On Leg 101, they hoped to drill through these reflectors to see if they were indeed made of shallow-water carbonates; if such limestones of Cretaceous age were found under basins, the megabank idea would be supported. Hudson Hills oil and gas production from the Cretaceous age Navarro sandstone in Central Texas has been established. |
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