File:Geologic_time_scale_-_spiral_-_ICS_colours_(light)_-_path_text.svg · Wikimedia Commons · See Wikimedia Commons
دوران
Sign in to saveAlso known as geological era
subdivision of geological time; shorter than an eon and longer than a period
AI overview
An era is a major chunk of Earth's history that scientists use to organize the geological timescale, fitting between the even-larger divisions called eons and the smaller divisions called periods. Understanding eras helps us make sense of how life and Earth itself have changed over billions of years, since each era is marked by distinct differences in the types of organisms that lived during that time and the geological conditions that existed.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Instance of
- unit of time
- Part of
- eon
- Has part
- period
- Image
- Geologic time scale.gif
Show 5 more facts
- different from
- erathem
- Commons category
- Geology by era
- topic's main category
- Category:Geological eras
- studied by
- geochronology
- standards body
- International Commission on Stratigraphy
Sources (2)
via Wikidata · CC0