Coccosphere-units of site GIK23414

Age given in calendar years. Coccosphere-unit: Conversion of coccoliths to hypothetical coccospheres by taking an average number of coccoliths per coccosphere.年龄以日历年为单位。球石体单位：通过统计单个球石体平均所含颗石粒的数量，将颗石粒换算为假想球石体。