What is the longest subdivision in geologic time?

What is the longest subdivision in geologic time?

The geologic time scale is divided into eons, eras, periods, epochs and ages with eons being the longest time divisions and ages the shortest.

Which is longer a period or an epoch?

period A unit of time shorter than an era but longer than epoch. epoch A unit of time shorter than a period but longer than an age.

How long is an epoch in geologic time?

Earth’s geologic epochstime periods defined by evidence in rock layerstypically last more than three million years.

When was the epoch period?

The study of this correlation is called stratigraphy. Officially, the current epoch is called the Holocene, which began 11,700 years ago after the last major ice age

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