Cretaceous

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Related to Cretaceous Age: Tertiary age, Permian Age

Cre·ta·ceous

 (krĭ-tā′shəs)
adj.
1. Of, relating to, or being the period of geologic time from about 146 to 66 million years ago, the third and most recent period of the Mesozoic Era. The Cretaceous Period is characterized by the formation of modern continents from the supercontinent Pangaea and by the development of flowering plants. The Period ended with the sudden extinction of the dinosaurs and many other forms of life. See Table at geologic time.
2. cretaceous Of, containing, or resembling chalk.
n.
The Cretaceous Period.

[From Latin crētāceus, chalky, from crēta, chalk, from Crēta (terra), Cretan (earth).]

cre·ta′ceous·ly adv.

cretaceous

(krɪˈteɪʃəs)
adj
(Chemistry) consisting of or resembling chalk
[C17: from Latin crētāceus, from crēta, literally: Cretan earth, that is, chalk]
creˈtaceously adv

Cretaceous

(krɪˈteɪʃəs)
adj
(Geological Science) 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
n
(Geological Science) the Cretaceous the Cretaceous period or rock system

cre•ta•ceous

(krɪˈteɪ ʃəs)

adj.
1. resembling or containing chalk.
2. (cap.) noting or pertaining to a period of the Mesozoic Era, from 140 million to 65 million years ago, characterized by the greatest development and subsequent extinction of dinosaurs and the advent of flowering plants and modern insects.
n.
3. (cap.) the Cretaceous Period or System.
[1665–70; < Latin crētāceus=crēt(a) chalk, clay (compare crayon) + -āceus -aceous; the geological period was defined from the chalk beds of SE England]

Cre·ta·ceous

(krĭ-tā′shəs)
The third and last period of the Mesozoic Era, from about 144 to 65 million years ago, characterized by the development of flowering plants. The Cretaceous Period ended with the sudden mass extinction of dinosaurs and many other forms of life. See Chart at geologic time.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Cretaceous - from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
Age of Reptiles, Mesozoic, Mesozoic era - from 230 million to 63 million years ago
Adj.1.cretaceous - abounding in chalk
2.Cretaceous - of or relating to or denoting the third period of the Mesozoic era
Translations

cretaceous

[krɪˈteɪʃəs] ADJcretáceo

cretaceous

adjKreide-, kretazeisch (spec); the cretaceous age (Geol) → die Kreide(zeit)
References in periodicals archive ?
The well, which was drilled in 2,074 meters of water depth reaching a final total depth of 3,827 meters, encountered an extended gas column in rocks of Miocene and Cretaceous age.
Data collected from the well, which reached a final total depth of 3,827 meters, as well as the analysis conducted so far, demonstrate the existence of an extended lean gas column in rocks of Miocene and Cretaceous age, under the evaporites seal.
The best reservoir of the study area is Cretaceous age Lower Goru (sands) because of its high permeability and good porosity (Ahmed et al.
Sauropod dinosaurs, which the study said included the largest terrestrial animals to have ever evolved, dates back to 66 to 84 million years ago in present-day Argentina during the Upper Cretaceous age.
It tries to be an informative trip about life in the Late Cretaceous age 70 million years ago and regale at the same time.
The Schulz Member of the Williams Formation of Popenoe (1942) was formally described for outcrops of Late Cretaceous age approximately 0.
The Sidi Dhaher discovery encountered a thick, porous and permeable Bireno reservoir of upper Cretaceous age overlaid with an 80 m sealing shale section.
The first exploratory well was spud in on February 6 this year and drilled down to a depth of 3,000 meters in Lower Goru Formation of Cretaceous age.
There is a vast expanse just within northern Alaska of rocks of Early Cretaceous age that have not been examined for their vertebrate paleontological potential.
Comments and correlations with other vertebrate-bearing formations of Late Cretaceous age from Argentina are discussed.
The Well was drilled down to the target depth of 3500 metres, targeting to test the potential of sands of lower Goru Formation of Cretaceous Age.
In field investigations, she and her team of students and collaborators found populations of Cretaceous age foraminifera, one-celled ocean organisms that evolved rapidly during select geological periods, living on top of the impact fallout from Chicxulub.