Two approaches to dating

“How old is it?” is one of the first questions you’ll probably ask when you see an interesting rock or...

Relative dating is used to arrange geological events, and the rocks they leave behind, in a sequence. The method of...

Most sedimentary rocks are laid down in flat, horizontal layers. These can later tilt and fold due to tectonic activity,...

Scientists have a variety of methods to use when they try to date a rock or a rock layer. Scientists...