Cretaceum
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Cretaceum[1]estsystemastratigraphicumetperiodusgeologica.
Divisio suprema constituitaeraeMesozoicae,nona autem ab infimaaeonisPhanerozoicae.Abhincannorum 1 450 centies milium fere coepit, antecessoreIurassico.Finem habuit abhinc annorum 660 centies milium, successorePalaeogenico.Commissio Internationalis StratigraphicaterminumCretaceum Palaeogenicumdefinit abanomalia iridiiqua vestigia illisionismeteoritaeiuxtaChicxulubin stratisgeologicisper omnem terrarum orbem inscribuntur. Hic terminus inceptum indicat aeraeCaenozoicae,systemati Palaeogenico in seriePalaeocaena,stadioDanio,perfectionemque aeraeMesozoicae,systemati Cretaceo, in serieCretaceo superiori,stadioMaastrichtio.[2]
In duasseriesdividitur, videlicetinferioremetsuperiorem.In duodecimstadiadividitur, quae ab infimo ad supremumBerriasium,Valanginium,Hauterivium,Barremium,Aptium,Albium,Cenomanium,Turonium,Coniacium,Santonium,Campanium,Maastrichtiumappellantur.[3]
Nomenexcreta,vocaulocommuni Latino, deducitur. NomineFrancogallicoformation de la craieiam accepto,Ioannes Iulianus d'Omalius d'Halloyprimus anno1822haec strata geologica nominavit sub formaterrain crétacé,qui terras vallisParisiensisexploraverat vestigiis cretosis conchyliorum huius aevi geologici plenas.[4][5]
Aevo Cretaceo vixeruntTyrannosaurus rex,Triceratops,aliiquedinosaurinoti. Circa initium huius periodus primae plantaeangiospermaeapparuerunt.
E vestigiis palaeontologicis constatexstinctionesspecierum permultarum in fine periodus Cretaceae accidisse, ut puta omnium dinosauriorum, pterosauriorum, mosasauriorum, hippuritidorum et ammonearum.[6]
Notae
[recensere|fontem recensere]- ↑"Ordinem medium magnae Cretaceae formationis et Iurassicum calcareum" (pp. 9-10apudGoogle Books); insuper locutionem Latinam "Tempus Cretaceum" in textuTheodiscohabes paginae BatavaeDe Oertijd van Zuid,"aevum Cretaceum" in textu Hungarico apudKartundoboz;vide nominafossiliumhuius aevi, e.g.Eorhamnidium cretaceum.
- ↑"International Chronostratigraphic Chart."
- ↑"Internationale Chronostratigraphische Tabelle"(2017).
- ↑"La troisième, qui correspond à ce qu'on a déja appelé formation de la craie, sera désigné par le nom de terrain crétacé:Ioannes Iulianus d'Omalius d'Halloy,"Observations sur un essai de carte géologique de la France, des Pays-Bas, et des contrées voisines" inAnnales des minesvol. 7 (1822) p. 353 sqq. (vide p. 373apudGoogle Books).
- ↑De historia nominis definitionisque vide: Mary Grace Wilmarth,The Geologic Time Classification of the United States Geological Survey Compared With Other Classifications, accompanied by the original definitions of era, period and epoch terms(United States Geological Survey Bulletin769. Vasingtoniae: U.S. Government Printing Office, 1925) (p. 56apudGoogle Books).
- ↑N. MacLeodet alii(1997), The Cretaceous–Tertiary biotic transition.Journal of the Geological Society, London,154: 265–292lege hic[nexus deficit]
Bibliographia
[recensere|fontem recensere]- Graham, Alan. 2011. "The age and diversification of terrestrial New World ecosystems through Cretaceous and Cenozoic time."American Journal of Botany98 (3): 336-351JSTOR
- Scott, Robert W. 2014. "A Cretaceous chronostratigraphic database: construction and applications".Carnets de Géologie14 (2): 15–37.
- Skinner, Brian J.; Porter, Stephen C. (1995).The Dynamic Earth: An Introduction to Physical Geology(tertia ed.). Novi Eboraci: John Wiley & Sons.ISBN0-471-60618-9.
- Stanley, Steven M. (1999).Earth System History.Novi Eboraci: W. H. Freeman and Company.ISBN0-7167-2882-6.
- Wesener, Thomas et Leif Moritz. 2018. "Checklist of the Myriapoda in Cretaceous Burmese amber and a correction of the Myriapoda identified]."Check List14: 1131–40.Editio interratialis.
Nexus externi
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Vicimedia Communiaplura habent quae adCretaceumspectant. |
- "Cretaceous"olim apudPalaeosdivulgatum
Siderium•Rhyacium•Orosirium•Statherium•Calymmium•Ectasium•Stenium•Tonium•Cryogenium•Ediacarium•Cambrium•Ordovicium•Silurium•Devonium•Carboniferum•Permium•Triassicum•Iurassicum•Cretaceum•Palaeogenicum•Neogenicum•Quaternarium Capsae cognatae:Aeones•Aerae•Periodi•Epochae•Aetatesgeologicae =Aeonothemata•Aerathemata•Systemata•Series•Stadiastratigraphica | |