What is the smallest unit of geologic time? A. Era B. Epoch C. Eon D. Period



1 year ago Comment

The smallest unit of geologic time is epoch.


1 year ago Comment

The most appropriate answer is b. Epoch. An epoch is a unit of geologic time that is smaller than a period. The largest divisions are called eras. Eras are then divided into periods. Examples of epochs include the Holocene, Eocene and Miocene. We are presently in the Holocene Epoch.