EARTH HISTORY- Daniela Gutiérrez 4A

  • 4600 BCE

    Earth creation

    Earth creation
    In this period (Hadic) there is great volcanic activity, the moon was created and there were several meteorites.
  • Period: 4600 BCE to 540 BCE

    Precambrian

    Geological events: The earth´s born and great volcanic activity . 1st ocean and 1st continent
    Climate events: meteor shower and global glaciation
  • 4000 BCE

    1st ocean

    1st ocean
  • 3500 BCE

    1st forms pf unicellular life

    1st forms pf unicellular life
    They appear in the Archaic period and therefore oxygen also appears, making it an oxidising atmosphere.
  • 2300 BCE

    1st global ice age

    1st global ice age
    Known as the Huronian, it was the longest ice age lasting approximately 300 million years.
  • 1100 BCE

    1st continent

    1st continent
    Its name was Rodinia and 800 million years ago it began to fracture.
  • Period: 540 BCE to 255 BCE

    Paleozoic

    Geological event: Pangea 1 and Pangea 2. Two orogenies

    Climate event: vulcanism and two glaciations
  • 500 BCE

    1st most complex life forms

    1st most complex life forms
    Trilobites predominate. Found in the Cambrian period
  • 480 BCE

    Fish age

    Fish age
    Appear in period ordovician
  • 440 BCE

    Glaciation in North Africa

  • 428 BCE

    1st terrestrial animals and plants

    1st terrestrial animals and plants
    They appear in the Silurian period where there is also a mass extinction of living beings.
  • 365 BCE

    Amphibian age

    Amphibian age
    They appear in the Devorian period when animals and plants colonise the continents.
  • 350 BCE

    1st land plants

    1st land plants
    There are large forests of primitive plants and gymnosperms. They appear in the carboniferous period
  • 320 BCE

    Glaciation on the Gondwanan continents

    Glaciation on the Gondwanan continents
  • 286 BCE

    Reptile expansion

    Reptile expansion
    Appears in the Permian period when many species become extinct.
  • 270 BCE

    age of reptiles

    age of reptiles
    They appear in the carboniferous period
  • Period: 255 BCE to 65 BCE

    Mesozoic

    Geological events: The actual continents appers.
    Climate events: increase temperature and oxygen. There isn´t any glaciations.
  • 200 BCE

    Peterosaurs, crocodiles and mammals

    Peterosaurs, crocodiles and mammals
    Appear in the period Triassic
  • 100 BCE

    Echinoderm

    Echinoderm
    They appear in the period Jurassic.
  • 66 BCE

    1st angrosperma plats with flowers

    1st angrosperma plats with flowers
    They appear in the period Jurassic.
  • 65 BCE

    Dinosaurs at their best time

    Dinosaurs at their best time
    Extinction by a meteorite that caused a massive wave that prevented the sun from reaching the earth. They appers in the Jurassic.
  • Period: 65 BCE to 1 CE

    Cenozoica

    Geological events: falling sea levels, a glaciation and migration.
    Climate events: increase temperature and CO2.
  • 40 BCE

    First primates

    First primates
    Primates appeared in the period Paleogene
  • 40 BCE

    1st primates

    1st primates
    Appears in the period Paleogene
  • 12 BCE

    1st homonids

    1st homonids
    Appears in the period Neogene
  • 1 CE

    Homosapiens appers

    Homosapiens appers
    Appears in the period Quaternary
  • Climate change

    Climate change
    It is human-caused and includes an increase in temperature and CO2.