Does the Precambrian Era represent a much longer part of Earth's history than the Phanerozoic Era?

1 Answer
Mar 19, 2016

Yes, the Precambrian covers about 80% of the Earth's history.

Explanation:

The reason for this is the evidence in the rocks gets thinner and thinner as you go back in time. Geologists are starting to break down the Precambrian as new evidence comes in.