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Paleozoic    音标拼音: [p,eliəz'oɪk]
a. 古生代的
n. 古生代

古生代的古生代

Paleozoic
adj 1: of or relating to or denoting the Paleozoic era
n 1: from 544 million to about 230 million years ago [synonym:
{Paleozoic}, {Paleozoic era}]


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  • Africa - Paleozoic, Fossils, Geology | Britannica
    The Paleozoic Era consists of the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian periods and includes two major mountain-building episodes The continent of Africa may be said to have taken shape during the Paleozoic
  • Cambrian - Wikipedia
    The Cambrian ( ˈ k æ m b r i ə n, ˈ k eɪ m- KAM-bree-ən, KAYM-) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon [5] The Cambrian lasted 51 95 million years from the end of the preceding Ediacaran period 538 8 Ma (million years ago) to the beginning of the Ordovician Period 486 85 Ma
  • The earliest evidence of high-elevation ice age occupation in . . . - Nature
    The elevation from Tasmania to New England is indicated by a thin black line and the shaded area beneath it The solid blue line indicates the approximate lower limit of the periglacial zone, and
  • ES1 earth science 15e chapter 12. pdf - Earth Science 15th. . . - Course Hero
    List and discuss the major geologic events in the Paleozoic, Mesozoic, and Cenozoic eras • Structure of the geologic time scale – An eon represents the greatest expanse of time The Phanerozoic eon (“visible life”) is the most recent eon, which began about 542 million years ago, divided into eras – Paleozoic era (“ancient life
  • Strong link between Earth’s oxygen level and geomagnetic dipole . . .
    Proxies of atmospheric oxygen levels in the Phanerozoic (~540 Myr to present) indicate a linearly increasing level that includes a surge in the late Paleozoic, around 350 to 250 million years ago (Ma), potentially increasing up to as much as ~35% of the atmosphere before decreasing to approximately modern levels
  • Permian–Triassic extinction event - Wikipedia
    Burning of hydrocarbon deposits may have exacerbated the extinction The Siberian Traps are underlain by thick sequences of Early-Mid Paleozoic aged carbonate and evaporite deposits, as well as Carboniferous-Permian aged coal bearing clastic rocks
  • Europe - Geology, Tectonics, Plate Boundaries | Britannica
    The Paleozoic (i e , from about 541 to 252 million years ago) tectonic geology of Europe can be divided into two parts: the major orogenic belts of the Caledonian (or Caledonides), the Hercynian (or Hercynides), and the Uralian (or Uralides); and the undisturbed, mostly subsurface (and thus poorly known) Paleozoic sediments in the triangular
  • Provenance and Paleogeographic Evolution of the Upper Paleozoic–Lower . . .
    The Late Paleozoic–Early Mesozoic sedimentary system of the Luang Prabang Paleotethyan back-arc basin in northern Laos is important for investigating sedimentary provenance, paleogeographic patterns, and the tectonic evolution of the eastern Paleotethyan Ocean This study presents systematic stratigraphy, petrology, geochemistry, and detrital zircon U-Pb-Hf isotopic analyses for the Late
  • Fossile Invertebrates (Paleozoic and Triassic) at the . . . - GBIF
    Fossile Invertebrates (Paleozoic and Triassic) at the Naturkundemuseum Stuttgart Dataset homepage Citation Staatliches Museum für Naturkunde Stuttgart
  • Cambrian explosion - Wikipedia
    The Cambrian explosion (also known as Cambrian radiation[1] or Cambrian diversification) is an interval of time beginning approximately 538 8 million years ago in the Cambrian period of the early Paleozoic, when a sudden radiation of complex life occurred and practically all major animal phyla started appearing in the fossil record [2][3][4] It





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