Learn more about earth's cretaceous period from national geographic. The upper cretaceous rocks of the british isles mortimore, rn, wood cretaceous period subsequent studies of sea-level curves and coastal onlap. Looking for cretaceous period find out information about cretaceous period see also: geologic timescale geologic timescale era period epoch approximate. Explore the dinosaurs, marine animals, and other life from the triassic, jurassic, and cretaceous periods. Start studying cretaceous period learn vocabulary, terms, and more with flashcards, games, and other study tools. Cretaceous - wikipedia cretaceous the cretaceous ( /krɪˈteɪʃəs/, kri-tay-shəs) is a geologic period and.
The cretaceous , derived from the latin creta (chalk), usually abbreviated k for its german translation kreide (chalk), is a geologic period a. Introduction the cretaceous period was the last phase of the mesozoic era and spanned for an interval of 75 million years from 135-65 million years ago. 65-144 million years ago highlights of the cretaceous period. Dinosaur extinction the cause of the mass extinction that marks the end of the cretaceous and the beginning of the paleogene is a scientific mystery. Cretaceous period: cretaceous period, in geologic time, the last of the three periods of the mesozoic era it began 145 million years ago and ended 66.
Cretaceous period the cretaceous period was the last period of the three which made up the mesozoic era it was during this time, which ended close to 65 million. Description: this is a map of the cretaceous period it shows the continents in the late cretaceous period this shows exactly where the continents and different. The cretaceous period was the last time dinosaurs were alive on earth the first flowers, ants, and butterflies also appeared during this time at.
A presentation by nmccloud2000 created with haiku deck, free presentation software that is simple, beautiful, and fun. Cretaceous period - terrestrial life: although the fossil record is irregular in quality and quantity for the early cretaceous, it is obvious that dinosaurs continued.
Cre a eous (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. Cretaceous period: life no great extinction or burst of diversity separated the cretaceous from the jurassic period that had preceded it in some ways, things went.
Discusses the dinosaurs that lived during the cretaceous period, as well as the geological events that took place preceding that time. The cretaceous period (147-66 mya) is one of the major divisions of the geologic timescale.
How was the cretaceous period different from the jurassic period a the jurassic period had angiosperms, while the cretaceous did not b pangaea split during the. The upper cretaceous is the last geological epoch in the cretaceous it began 1005 million years ago in the cretaceous period, birds became more diverse. The cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the jurassic period, about 146 million years ago (ma), to the. The cretaceous period began at the end of the jurassic period approximately 144 million years ago the cretaceous period marks the end of the age of. The cretaceous period was a geological period in earth's history when large dinosaurs dominated. The cretaceous period is a period of time that spans seventy-nine million years, from the jurassic period to the paleogene period during this time, flora and fauna.