Start Relative rock dating methods

Relative rock dating methods

At times it is suggested that rock art of extinct animals is the work of clever hoaxers. Desert varnish is an accumulation of minerals that build up in glyphs and on canyon walls. His articles on dinosaurs and man have been published in Russia, where he has engaged in lectures and TV appearances.

Fran Barnes, a recognized authority on rock art of the American South-West, writes, ‘In the San Rafael Swell, there is a pictograph that looks very much like a pterosaur, a Cretaceous flying reptile.’ While some say it may be a bird, the presence of a prominent head crest and what appears to be a long tail suggests otherwise.

Lichenometry can help tell us if a particular piece of rock art is hundreds of years old.

The study of paleogeography has two principle goals.

An excavated mammoth skeleton would not show that it had a trunk, so the artist obviously saw a live elephantid of some sort still alive in the region only hundreds of years ago.