tiempo geológico

Definitions of tiempo geológico
  1. noun
    the time of the physical formation and development of the earth (especially prior to human history)
    see moresee less
    examples:
    show 24 examples...
    hide 24 examples...
    cenozoico
    approximately the last 63 million years
    cuaternario
    last 2 million years
    holoceno
    approximately the last 10,000 years
    pleistoceno
    from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
    terciario
    from 63 million to 2 million years ago
    plioceno
    from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals
    mioceno
    from 25 million to 13 million years ago; appearance of grazing mammals
    oligoceno
    from 40 million to 25 million years ago; appearance of sabertoothed cats
    eoceno
    from 58 million to 40 million years ago; presence of modern mammals
    paleoceno
    from 63 million to 58 million years ago; appearance of birds and earliest mammals
    mesozoico
    from 230 million to 63 million years ago
    cretázico
    from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
    jurásico
    from 190 million to 135 million years ago; dinosaurs; conifers
    triásico
    from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity
    paleozoico
    from 544 million to about 230 million years ago
    pérmico
    from 280 million to 230 million years ago; reptiles
    carbonífero
    from 345 million to 280 million years ago
    devónico
    from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites
    siluriano
    from 425 million to 405 million years ago; first air-breathing animals
    ordovícico
    from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds
    cámbrico
    from 544 million to about 500 million years ago; marine invertebrates
    precámbrico
    the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
    proterozoico
    from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
    arcaico
    the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
    types:
    show 5 types...
    hide 5 types...
    eón
    the longest division of geological time
    periodo, período
    a unit of geological time during which a system of rocks formed
    era
    a major division of geological time; an era is usually divided into two or more periods
    época
    a unit of geological time that is a subdivision of a period and is itself divided into ages
    periodo glacial, período glacial, época glacial
    any period of time during which glaciers covered a large part of the earth's surface
    type of:
    tiempo
    the continuum of experience in which events pass from the future through the present to the past
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘tiempo geológico'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family