After the uplift of the land, the forces of erosion attacked the highlands and the eroded rock debris was transported and redeposited in the lowlands.
This technique does not give specific ages to items.
Consider the following scenario: Paul the Paleontologist is a very famous scientist who has studied dinosaur bones all over the world.
Recently, he appeared on the evening news to talk about a new dinosaur he just discovered. Paul says he can tell from the fossils that superus awesomus lived on Earth about 175 million years ago.
Wide rings are produced during wet years and narrow rings during dry seasons.
This technique has posed a different problem for creationists, as this dating method does not make use directly of accelerated decay.