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Near Moab, Utah, is a pictograph of a mammoth showing many of its characteristic features.The preponderance of evidence indicates these figures were made during the period of the Anasazis. Two carved stone slabs found in Indian ruins at Flora Vista, New Mexico, show meticulously chiselled elephantine figures, surrounded by numerous symbols and pictures. Morris, a noted authority on south-western Indian artifacts, says the ruins date at about ad1200, so the ancient artist could not have seen his elephant in a circus, zoo or a book.There are examples which are impossible to dismiss as anything other than the work of ancient artists.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.
It has a film of oxidation over it, and the segment of .It is intriguing to note that not far away from this site, the University of Ohio quarried a fossil pterosaur.with a long tail and neck, small head and all.’ Note that Barnes, who despises creationists, knows that this work shows every sign of age, such as pitting and weathering, etc.Although it is not possible to assign absolute dates to rock art, it is possible to narrow the time span in which a particular figure might fall.
There are many methods of dating rock art that give us a clue to its relative age. has been actively engaged in ancient Indian archaeological research and Biblical archeology.Paleomagnetism provides direct evidence of a continent's N-S (latitudinal) position, but does not constrain its E-W (longitudinal) position.