Cretaceous

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Related to Cretaceous Age: Tertiary age, Permian Age

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.
References in periodicals archive ?
In the first step six prominent horizons Laki/Ghazij shales of Eocene age (Red), Sui-main Limestone of Paleocene age (Blue), Lower Goru Formation of Lower Cretaceous age (Yellow), C-interval of sand in Lower Goru Formation (Green), B-interval of sand in Lower Goru Formation (Brown), Chiltan Limestone of late Jurassic age (Orange) are marked on the seismic lines.
This New Brunswick deposit, because of its similarity of geological setting and lithological content to some Nova Scotia deposits, has been thought to be of Cretaceous age (see, for example, Atlantic Geoscience Society 2001), but this age has not previously been confirmed by direct evidence.
1987, 1994) assumed a Late Cretaceous age for Barra Honda and implied a tectonic or gravitative emplacement of the whole platform over the underlying rocks.
In the early 1980s it was established that lower formations of the Cretaceous age were part of the Rumaila structure.
Hudson Hills oil and gas production from the Cretaceous age Navarro sandstone in Central Texas has been established.
Natural gas and some condensate was recovered by modular formation dynamics testing ("MDT") confirming the petro physical analysis of 11 meters of pay in sands of Cretaceous age.
Such a scenario provides an explanation for the absence (or rarity) of Late Cretaceous ophiolites along the YZSZ which are in majority of Late Jurassic Early Cretaceous age.
Nyuni-2 was spudded on 17 June 2011 using the Caroil Rig-6, to target Lower Cretaceous age Neocomian (earliest Lower Cretaceous) sandstones, similar to those found in Bounty's nearby Kiliwani North gas field and in the producing Songo-Songo gas field.
The host rocks are shales and feldspathic sandstones of the Cambrian Harmony Formation that have been intruded by a granodiorite stock of probably Cretaceous age.
The well, drilled in a water depth of 38 meters, encountered a major gas and condensates buildup in the pre-salt clastic geological sequence of lower Cretaceous age, crossing a hydrocarbon column of 240 meters.
The Parh Limestone of Cretaceous age overly the Goru Formation and is a thick sequence of thin-bedded, papery laminated micritic limestone with planktonic foramanifers like Globotruncana fornicate, Globotruncana sigali, Globotruncana concavata and represent deposition in a deeper outer shelf.
The Whiskey Gap property in Alberta is underlain by a series of fluvial sandstones of Cretaceous age similar to sandstones which host significant roll front Uranium deposits.