Geological Eras and Eones - Geovaka López

1. The precambrian

   Annotations:

   •  It cove almost 4,000 milion years (88% of the history of the earth) is when everything that we have related about the formation of the lithosphere. 
2. The phanerozoic

   Annotations:

   • On the other hand, it spans 560 million years (20% of the history of the earth) it has 3 eras and reaches the present times.
   1. Phanerozoic eon

Annotations:

• (acient life) this era was spaned 312 years, and this era was wen the earth was divided in to several continents. 

1. Cambrian
2. Ordovician
3. Silurian
4. Devonian
   1. Devonian
5. Mississippian
6. Pennsylvanian
7. Perminan
8. Paleozoic era was the era of the sea

Annotations:

• (Era intermidate life), also know as the era of the dinosaurs.

1. Triassic
2. Jurassic
3. Cretaceous
4. The era of the dinosaurs

Annotations:

• (new life) It was the last 65 million years, up to the present day.

1. Paleocene
2. Eocene
3. Oligocene
4. Miocene
5. Pliocene
6. Pleitocene
7. Holocene
8. Holocene
9. The era of the animals