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What era makes up the vast majority earth's history?

Precambrian


What percenatge does the precambrian era take up in the earths history?

The precambrian era lasted from roughly 4.57 Ga to 0.54 Ga before today, equalling about 88 % of Earth's history.


What is the largest era and what percentage of earths history does it make up?

The largest era in Earth's history is the Precambrian, which spans from the formation of Earth around 4.6 billion years ago to the beginning of the Phanerozoic eon around 541 million years ago. The Precambrian makes up about 88% of Earth's history.


How many Periods are there in the Mesozoic Era?

There were three geological periods in the Mesozoic Era(251 - 65Ma).The Triassic Period(251 - 199Ma),the Jurassic period(199 - 145Ma) &the Cretaceous Period(145 - 65Ma).


What is the largest era and what percentage of the earth does it make up?

The largest era is the Precambrian, which makes up about 88% of Earth's history. It covers the time from the formation of Earth about 4.6 billion years ago to the beginning of the Paleozoic era around 541 million years ago.


What do periods make up?

periods make up eras


What is precambrian order?

85% of earths history and the earliest era that exists. bacteria mostly survived then and built up oxygen until a mass extinction.The. Era had many extinctions because of large variations in climate is what mesozoicor cenozoic or precambrian which one


Why is the canadina shield called the precambrian?

The term "Precambrian" refers to the time period before the Cambrian period, dating back over 4 billion years. The Canadian Shield is composed of some of the oldest rocks on Earth, dating back to the Precambrian era. Its name reflects the ancient age of the rocks and landforms that make up the shield.


Why is the Canadian shield also known as the precambrian shield?

The Canadian Shield is known as the Precambrian Shield because it is made up of some of the oldest rock formations on Earth, dating back to the Precambrian Eon. These rocks were largely formed between 4.6 billion to 540 million years ago, before the Paleozoic era began.


What three divisions make up the geological timetable?

Precambrian Cambrian


What are the major subdivisions of geologic times?

The major subdivisions are the Precambrian, Palaeozoic, Mesozoic and Cenozoic, which are subdivided into Archean and Proterozoic (Precambrian), Cambrian, Ordovician, Silurian, Devonian, Carboniferous (or Missisipian and Pennsylvanian in the US) and Permian (Palaeozoic), Triassic, Jurassic and Cretaceous (Mesozoic) and Tertiary and Quaternary (Cenozoic). For a graphical representation, see http://geomaps.wr.usgs.gov/socal/geology/geologic_history/images/geologic_time_scale.jpg


When did the mesozoic era occur?

The Mesozoic Era occured approximately 252 to 66 million years ago. It is divided into three periods: the Triassic, Jurassic, and Cretaceous periods. This era is known for the dominance of dinosaurs and the rise of mammals and flowering plants.