The table of geologic time spans presented here agrees with the dates and nomenclature proposed by the International Commission on Evidence from radiometric dating indicates that the Earth is about 4.570 billion years old.
The geological or deep time of Earth's past has been organized into various units according to events which took place in each period.
It would therefore be wise to cross check information which I have presented here.
A list of many official New Zealand history sites may be found within my Links section.
Languedoc Canal connects the Mediterranean with the Bay of Biscay.