The element characteristics and paleoenvironmental significance of Xiaoheba Formation sandstone in Huilongchang area, southeastern Sichuan Basin
Zhao-feng ZHANG, Liang-jun WANG, Li-qiang ZHANG, Cheng-yin LI
Natural Gas Geoscience . 2020, (9): 1239 -1249 .  DOI: 10.11764/j.issn.1672-1926.2020.04.026