AUTHOR=Zhao Haibo , Yin Shujun , Yang Xuefeng , Yan Weilin , Bi Guangwu , Zhang Jianliang , Xing Zimeng TITLE=The influence of heterogeneity of lacustrine shale facies on rock mechanical properties and brittleness: a case study of Jurassic lacustrine shale reservoirs in Northeast Sichuan Basin JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1515701 DOI=10.3389/feart.2025.1515701 ISSN=2296-6463