Senonian


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Se`no´ni`an


a.1.(Geol.) In european geology, a name given to the middle division of the Upper Cretaceous formation.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Shoval (2004) studied the marine sedimentation along the margin of the southeastern Neo-Tethys, and concluded that Senonian and the Eocene is dominated by smectitic IS (mixed-layer illite/smectite rich in smectite layers) accompanied by kaolinite, palygorskite and occasional sepiolite.
London -- RAK Petroleum, the Oslo-listed oil and gas investment company, announced on Monday that the Marlin North-1 well drilled by Foxtrot International LDC offshore Cote d'Ivoire flowed gas and oil from the Turonian and Lower Senonian intervals, neither of which had previously tested hydrocarbons on Block CI-27.
The Senonian Seben Formation is mainly composed of marl, although the occurrence of thin-bedded sandstone intercalation was observed in this study.
It consists of :marly limestone and gypsum of Cenomanian, Turonian white limestones, Senonian marl and yellow marly limestones, phosphatic series dated from Maastrichtian to Ypresian and Lutetian calcareous Thersitean slab.
These inversion anticlines were the result of the compressive Senonian event that inverted existing extensional grabens [15].
It was reported that the Mazidagi (Turkey) phosphate rock situated near the border with Syria was deposited during the Turonian and Senonian (Cretaceous) ages [2].
Petroleum Geology of Senonian sediments in Anambra syncline, southeastern Nigeria (abs): AAPG Bull., v.64, p.
On some plant microfossils from fresh-water sediments of the Upper Cretaceous (Senonian) in the south-Bohemian basins.