Geologic Time Scale
Keep your geochronological dates straight with Wolfram|Alpha's detailed information on Earth's geologic time scale. Drill down from the eons through the epochs and analyze data on the climate changes, impacts, extinctions and continental shifts that formed the unique geology of each time division.
Geochronology
Travel back through time with data spanning eons.
Get information about a geological eon, era, period or epoch:
Ice Ages
Explore the various ice ages, glaciations and interglacial periods that have occurred throughout geologic time.
Query for ice ages or the individual glacial episodes within them:
Compare the geological time periods of the various ice ages:
Paleogeography
Visualize the position of Earth's continental plates over time.
Generate maps of ancient continent configurations:
Properties of Geologic Time Units
Query for properties of geochronology.
Compute the duration of a geological time division:
Find relationships between geological time divisions:
Compare information across geological time divisions:
Get data on biodiversity:
Notable Ancient Events
Discover a variety of notable events that occurred during various geologic time units.
Identify events occurring during a specified division:
Geochronology Lookup
Determine the geological time unit, and related information, that corresponds to an ancient date in the past.
Find the geological epoch corresponding to a given time:
関連する例
Paleoclimate
Discover how the Earth's climate has changed over time.