Coccosphere-units of site GIK23259

Age given in calendar years. Coccosphere-unit: Conversion of coccoliths to hypothetical coccospheres by taking an average number of coccoliths per coccosphere.年龄以日历年（calendar years）计。颗石球单位（Coccosphere-unit）：通过求取每颗石球所含颗石片的平均数量，将颗石片换算为假想颗石球，以此定义该单位。