-
Period: 4600 BCE to 541 BCE
Precambrian
Guide Fossil: Stromatolitos
Geological event: Big meteoric bombardement, The Earth, The Moon and the litosphere was formed.
Climate events: Empieza haber oxígeno y se producen glaciaciones -
Period: 66 to
Cenozoic
Guide fossil: Nummulites
Geological events: Desarollo completo de la orogenia Alpina
Climate events: Periodos glaciales e interglaciales -
Period: 252 to 66
Mesozoic
Guide fossil: Ammonites
Geological events: Fracturación de Pangea, Impacto de meteorito
Climate events: No se produjeron glaciaciones, Clima cálido -
Period: 541 to 252
Palaeozoic
Guide fossi: Trilobites
Geological events: Formación de Pangea, Vulcanismo intenso
Climate events: Calentamiento global, Glaciaciones