Subdivisions of the World's geology (periods, epochs and ages) from Cenozoic to Precambrian in connected and complete period (million old age).

Abridged summaries of the periods tectonic scene, weather, seedling and beastlike growth are included.

Attractive anomalies are listened for Cenozoic and Mesozoic.
A discovery land choice unfastened up whole ready eras, periods and ages.

v1.4 (1/15/2002):
- Some typo errors were permanent.