Rates of change for some aspects greatly exceed those in the historical and recent geological record.

But the geological record shows no trace of any cooling until much later.

These fossils, which are over 3.5 billion years old, are considered to be the oldest known geological record of life on earth.

This is the first era of which a good geological record still exists today.

According to geological records, the volcano has erupted 28 times in the last 27,000 years.

These objects, the theory goes, are mostly water, so they left little sign in the geological record.

Scientists know from the geological record that the Earth's climate can change rapidly.

Other evidence on the origin of life comes from the geological record of the earth.

What happened when they emerged on land is not clear in the geological record and we can only guess.

Since then the pattern of hypthermal events hasn't been seen in the geological record.