Microstructural investigations on the preservation mechanisms of intergranular coesite in UHP eclogite from Yangkou Bay, Sulu Region - Jinyu Zheng; Tao Chen; Junfeng Zhang; Lu Wang; Wenlong Liu; Feng Shi; Xiaohu Xuan; Mingxing Gong; Zhe Gong (Contributions to Mineralogy and Petrology, 2026)