First stage in the Earth history.
Main geological events formation of LIthosphere, Hydrosphere and Atmosphere.
Origin and formation of Earth
3800 BC - 2500 BC
Celled organism emerged- Cyanobacteria
2500 BC - 540 BC
First multicellular organism
roodina spercontinent, fragmentation rodina
540 BC - 0 BC
This era is characterised by a huge explosion of life
540 BC - 245 BC
it have six periods grouped in pairs: first the "Age of invertebrates" periods Cambrian and Ordovician, second "Age of fish" periods Silurian and Ordovician, third "Age of amphibians" periods Carboniferous and Permian
245 BC - 66 BC
it have tree periods first Triassic second Jurassic an third Cretaceous.
The Mesozoic is called the "Age of Reptiles"
66 BC - 0 AD
It have tree periods first Palaeogene second Neogene and third Quaternary