- Ordovician system
- ордовикская система* * *ордовикская система
Англо-русский словарь нефтегазовой промышленности. 2011.
Ordovician system
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Ordovician — Period 488.3–443.7 million years ago … Wikipedia
Ordovician Period — Interval of geologic time, 490–443 million years ago, the second oldest period of the Paleozoic Era. It follows the Cambrian and precedes the Silurian. During the Ordovician, many of the landmasses were aligned in the tropics. Life was dominated… … Universalium
System (stratigraphy) — NOTOC A system in the natural sciences and stratigraphy is an idealized composite unit of the geologic record made up of a succession of rock layers that were laid down together within a certain corresponding geological time span, and are used in … Wikipedia
Ordovician–Silurian extinction event — … Wikipedia
Ordovician — adjective Etymology: Latin Ordovices, ancient people in northern Wales Date: 1879 of, relating to, or being the period between the Cambrian and the Silurian or the corresponding system of rocks see geologic time table • Ordovician noun … New Collegiate Dictionary
Ordovician — /awr deuh vish euhn/, Geol. adj. 1. noting or pertaining to a geologic period of the Paleozoic Era, from 500 million to 425 million years ago, notable for the advent of fish. See table at GEOLOGIC TIME. n. 2. the Ordovician Period or System.… … Universalium
Ordovician — Or•do•vi•cian [[t]ˌɔr dəˈvɪʃ ən[/t]] adj. 1) gel noting or pertaining to a geologic period of the Paleozoic Era, from 500 million to 425 million years ago, notable for the advent of fish 2) gel the Ordovician Period or System • Etymology: 1879;… … From formal English to slang
Ordovician — /ɔdoʊˈvɪʃən/ (say awdoh vishuhn) adjective 1. relating to an early Palaeozoic geological period or system. –noun 2. the period or system following Cambrian and preceding Silurian. {Latin Ordovicēs, plural, an ancient British tribe in northern… …
Ordovician — adj. & n. Geol. adj. of or relating to the second period of the Palaeozoic era, with evidence of the first vertebrates and an abundance of marine invertebrates. Usage: Cf. Appendix II. n. this period or system. Etymology: L Ordovices ancient… … Useful english dictionary
Hirnantium — System Serie Stufe ≈ Alter (mya) höher höher höher jünger Ordovizium Oberordovizium Hirnantium … Deutsch Wikipedia
Darriwilium — System Serie Stufe ≈ Alter (mya) höher höher höher jünger Ordovizium Oberordovizium Hirnantium … Deutsch Wikipedia
