Geochemical Characteristics and Organic Matter Enrichment of Black Shale in the Middle Ordovician Yanxi Formation in Central and Southern Hunan
Cai Linghui, , Yu Ye, , Guo Jianhua, Huang Yanran, , Guo Yuancao
Journal of Jilin University(Earth Science Edition) . 2023, (5): 1362 -1379 .  DOI: 10.13278/j.cnki.jjuese.20220171