Sample preparation and laboratory measurement values for fine-grain meteoric ...

Comments:1) "Fine-grain" refers to sediment grain size <63 μm.2) July 2017 refers to samples collected before Hurricane Maria and January 2018 refers to samples collected...备注：1) “细粒（fine-grain）”指粒径小于63 μm的沉积物颗粒。2) 2017年7月指的是飓风玛丽亚（Hurricane Maria）登陆前采集的样本，2018年1月指的是采集的样本……