An improved sample preparation method for strontium isotope stratigraphy: case study of early Miocene oysters and foraminifera from the Gulf of Suez, Egypt - Ting Ruan; Yue Cai; Qimei Guo; Nicholas Christie-Blick; Ahmed N. El-Barkooky; Abdel-Moneim El-Araby; Ahmed Zakaria; Zhengfan Lin; Chengcheng Wang; Raed Badr (Applied Geochemistry, 2025)