Astrochronological age model (calcium) from the Contessa Road (Italy)

Ages are presented in kyr relative to the PETM onset (0 kyr).所有年代数据均以千年（kiloyear, kyr）为单位，以古新世-始新世极热事件（Paleocene-Eocene Thermal Maximum, PETM）的起始点为基准，该起始点记为0 kyr。