AUTHOR=Wan Yongping , Wang Zhenchuan , Cui Minrui , Liu Kouqi , Li Wu TITLE=Evaluation of Upper Paleozoic source rocks in the southeastern margin of the Ordos Basin JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1508427 DOI=10.3389/feart.2024.1508427 ISSN=2296-6463