Definition of Cretaceous. Meaning of Cretaceous. Synonyms of Cretaceous

Here you will find one or more explanations in English for the word Cretaceous. Also in the bottom left of the page several parts of wikipedia pages related to the word Cretaceous and, of course, Cretaceous synonyms and on the right images related to the word Cretaceous.

Definition of Cretaceous

Cretaceous
Cretaceous Cre*ta"ceous, a. Also Cretacic Cre*tac"ic (Geol.) Of, pertaining to, or designating, the period of time following the Jurassic and preceding the Eocene.
Cretaceous
Cretaceous Cre*ta"ceous (kr[-e]*t[=a]"sh[u^]s), a. [L. cretaceus, fr. creta chalk. See Crayon.] Having the qualities of chalk; abounding with chalk; chalky; as, cretaceous rocks and formations. See Chalk. Cretaceous acid, an old name for carbonic acid. Cretaceous formation (Geol.), the series of strata of various kinds, including beds of chalk, green sand, etc., formed in the Cretaceous period; -- called also the chalk formation. See the Diagram under Geology. Cretaceous period (Geol.), the time in the latter part of the Mesozoic age during which the Cretaceous formation was deposited.

Meaning of Cretaceous from wikipedia

- The Cretaceous ( /krɪˈteɪʃəs/, kri-TAY-shəs) is a geologic period and system that spans from the end of the Jur****ic Period 145 million years ago (mya)...
- The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden m**** extinction of some three-quarters...
- The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous period is divided in the geologic timescale. Rock strata from...
- The Early Cretaceous (geochronological name) or the Lower Cretaceous (chronostratigraphic name), is the earlier or lower of the two major divisions of...
- The Cretaceous–Paleogene (K–Pg) boundary, formerly known as the Cretaceous–Tertiary (K-T) boundary, is a geological signature, usually a thin band of rock...
- Limestone is a carbonate sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and molluscs...
- the anterior walking legs of one of the spiders, is described from the Cretaceous amber from Myanmar by Haug, Müller & Haug (2018), who interpret this finding...
- superchron, but is now attributed to other causes. The Cretaceous Normal (also called the Cretaceous Superchron or C34) lasted for almost 40 million years...
- The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, and the Western Interior Sea) was a large...
- The South Polar region of the Cretaceous comprised the continent of East Gondwana–modern day Australia and Antarctica–a product of the break-up of Gondwana...
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