17
Nov
Much like we have a biological clock, earth has its own geological clock, the only difference is that it spreads over millions and billions of years and our lifetime is merely a matter of seconds in it. Earth’s history is segmented into different phases based on the geological clock. The change in the geological time unit is marked by significant changes in the features such as the sedimentation pattern of rocks and fossil makeup. Thus, the study of rock strata (stratigraphy) is an important tool to find out the geological timescale shift. Another parameter considered to study the shift in…