What is relative dating of rocks and fossils Free video pussy chat no regis

21 Feb

The Age of Dinosaurs was so many millions of years ago that it is very difficult to date exactly.

Scientists find out the age of a dinosaur fossil by dating not only the rocks in which it lies, but those below and above it.A fossil will always be younger than fossils in the beds beneath it and this is called the principle of superposition.In an undisturbed sequence of rocks, such as in a cliff face, it is easy to get a rough idea of the ages of the individual strata – the oldest lies at the bottom and the youngest lies at the top.Una lives in Nagasaki, Hiroshima with her no and two elements, who often sense her if they u a met is national or not. We want to warn you that sexually explicit information might be found on this website, it also includes links to porn sites.These include radiometric dating of volcanic layers above or below the fossils or by comparisons to similar rocks and fossils of known ages.Knowing when a dinosaur or other animal lived is important because it helps us place them on the evolutionary family tree.This is because new sediments are always laid down on top of sediments that have already been deposited.So, when looking at the history of a cliff face, it is important to read the story it tells from the bottom layer up.If you are the owner of any images contained herein and would like it removed, than please contact us.Instead, other methods are used to work out a fossil’s age.