What Is the Smallest Division of Geologic Time
These time intervals are not equal to the length of the hour in a day. What was the largest division of time. Geologic Time 8th Grade Science How the division dates are decided. . An Epoch lasts several million years. Small is a relative term. Geologists have divided the history of the Earth into a series of time intervals. All of these are displayed in the portion of the geologic time scale shown below. Ages also referred to as stages are the smallest units of geologic time and are usually only a few million years in length. There are four geologic eras. The geologic time scale is divided into eons eras periods epochs and ages with eons being the longest time divisions and ages the shortest. An Epoch lasts several million years. Age of Earth 46 billion years old Divisions of Geologic time from largest to smallest Eon Era Period Epoch Eon the largest division of geologic time Epoch the smallest division of...