Cenomanian Stage

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Cenomanian Stage

 

the first stage from the bottom in the upper division of the Cretaceous system. The Cenomanian was first identified by the French geologist A. d’Orbigny in central France in 1847. At the type locality, near the city of Le Mans, it is represented by sands, clays, and marls containing abundant fossil shells of mollusks and foraminifers. The stage is widely represented in the USSR.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The Cenomanian stage is characterised by a major firstorder sea-level rise (Haq et al., 1987), which resulted in the flooding of continental areas and in the development of widespread shallow marine depositional settings.
In this work we present a new proposal of regional correlation of the Cenomanian stage (Figs.
Cenomanian transgression in the Basque-Cantabrian Basin (northern Spain) and associated faunal replacement
These are hard-to-recover reserves, which lie above the Cenomanian stage, usually at depths of 810-840 metres.
Russia - Reserves Doubled
The Cenomanian stage was established in the lower part of the Nkalagu Formation based on the co-occurrence of Rotalipora balenaensis and Globigerinelloides caseyi [28].
Biostratigraphy and depositional environment of the oil shale deposit in the Abakaliki fold belt, Southeastern Nigeria
Stable isotope mass balance modeling results of meteoric [[delta].sup.18]O values from the Cenomanian Stage of the Cretaceous Western Interior Basin (KWIB) suggest that precipitation and evaporation fluxes were greater than that of the present.
Geology and geography
(Comp.) (1996): The Cenomanian stage. In: Rawson, P.F., Dhont, A.V., Hancock, J.M., Kennedy, W.J.
Cephalopod assemblages and depositional sequences from the upper Cenomanian and lower Turonian of the Iberian Peninsula (Spain and Portugal)/ Asociaciones de cefalopodos y secuencias deposicionales en el Cenomaniense superior y Turoniense inferior de la Peninsula Iberica (Espana y Portugal)
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