What is geographical time scale?
Answers
Geological time scale:- On earth it is actually the chronological order of the history of organic evolution.
Some important related information:-
1. In 6 eras about 4.5 billion years are divided time after formation of the Earth.
2. Some of the were further divided in periods and then also periods were divided into smaller time spans which is called as Epochs in recent time.
3. Time to time on the earth intense geological disturbances have occurred on. It is the most pre existing organisms which is perished out . These disturbances are known as revolution. It is also called as cataclysm.
4. Before palaeozoic era the time is known as Precambrian era because cambrian is the first period of palaeozoic.
any division of geological time into chronological units, whether relative (with units in the correct temporal sequence) or absolute (with numerical ages attached)
The geologic time scale is a system of chronological dating that classifies geological strata in time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events in geologic history.