Thus, Ba levels can neither be correlated directly with barite occurrence nor with times during the high barium eolian influx on the stone varnish.

Instead, Ba content is correlative with Mn distribution for which there has yet to become a hypothesis that is substantiated its event. This further supports the idea that fixing for Ba concentration in cation ratio curves will be impossible. Any rock varnish dating curve calibrated using such erroneously high Ti values will possess a slope […]