AUTHOR=Yazeng Ma , Heping Fu , Hong Xu , Zuozhen Han , Jinxiong Luo , Chao Han TITLE=Characterization and genesis mechanism of dolomite from Xike 1 well, Xisha Islands—constraints from Mg isotopes JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1513588 DOI=10.3389/feart.2025.1513588 ISSN=2296-6463