albian stage
1Albian Stage — ▪ geology uppermost of six main divisions of the Lower Cretaceous Series, representing rocks deposited worldwide during the Albian Age, which occurred between 112 million and 99.6 million years ago during the Cretaceous Period. Albian rocks …
2Albian — (French Albion , from Alba = Aube in France) is a stage of the Cretaceous period.Albian is a term proposed in 1842 by A. d Orbigny for that stage of the Cretaceous system which comes above (later) the Aptian and below (before) the Cenomanian (Pal …
3Albian Sands — Energy Inc. is the operator of the Muskeg River Mine, an oil sands mining project located 75 kilometres (47 mi) north of Fort McMurray, Alberta, Canada. It is a joint venture between Shell Canada (60%), Marathon Oil Canada (20%) and Chevron… …
4Aptian Stage — ▪ geology fifth of six main divisions (in ascending order) in the Lower Cretaceous Series, representing rocks deposited worldwide during the Aptian Age, which occurred 125 to 112 million years ago during the Cretaceous Period. Rocks of the… …
5Cenomanian Stage — ▪ geology first of six main divisions (in ascending order) in the Upper Cretaceous Series, representing rocks deposited worldwide during the Cenomanian Age, which occurred 99.6 to 93.5 million years ago during the Cretaceous Period. Rocks… …
6Oxfordian (stage) — System Series Stage Age (Ma) Cretaceous Lower Berriasian younger Jurassic Upper Tith …
7Cretaceous Period — Interval of geologic time from с 144 to 65 million years ago. During the Cretaceous the climate was warmer than today. In the seas, marine invertebrates flourished, and bony fishes evolved. On land, flowering plants arose, and insects, bees in… …
8angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) …
9Species of Psittacosaurus — Seventeen species have been assigned to the extinct ceratopsian dinosaur genus Psittacosaurus , although only nine to eleven are considered valid.Xu Xing Zhao Xijin. (1999). Psittacosaur fossils and their stratigraphical implications. In: Wang Y …
10Polyptychodon — Taxobox name = Polyptychodon fossil range = Early Late Cretaceous image width = 250px regnum = Animalia phylum = Chordata classis = Sauropsida ordo = Plesiosauria subordo = Pliosauroidea familia = Pliosauridae genus = Polyptychodon genus… …
