All have a geologic age around 80,000 years old.

A few miles off, we had been several geologic ages in the past, here we were only in yesterday.

For the first time, perhaps, since that land emerged from the waters of geologic ages, a human face was set toward it with love and yearning.

The caves have a geologic age of about 80,000 years.

The rocks themselves that comprise the mountains are of a great variety and widely varying geologic ages.

That's the kind of blast that tends to end an entire geologic age, kill off the dinosaurs, and generally ruin everybody's day.

Two or three minutes went past like geologic ages.

The remains or traces of organisms from a past geologic age embedded in rocks by natural processes are called fossils.

Once, geologic ages ago, I had worked here for three years, and briefly again thereafter.

It has become the second geologic age in the Early Pleistocene.