Answer to Question #121726 in Other Geography for Ahnaf Ahmed

Question #121726
How come geologists define the Hadean era as an era where the earth was hot, with no free oxygen in the atmosphere or oceans and no solid rock because the surface was molten.
1
Expert's answer
2020-06-17T08:24:54-0400

It was suggested that the Hadean era is 4.4 billion years old according to the elementary and isotopic contents of rocks.


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