• 责任者：Chen Denghui (Geology Department of Northeastern University ; Shenyang 110004 ; China) ; Gong Enpu
• 刊名：Acta Geologica Sinica
• 出版年：2011
• 卷期：85(6)
• 关键词：碳酸盐岩 ; carbonate rocks ; 碳同位素 ; carbon isotopes ; 氧同位素 ; oxygen isotopes ; 辽宁 ; Liaoning Province
• 页码：p.987-992
• 图表：4 illus., 2 tables, 30 refs.
• 分类号：0803
• issnNo：ISSN0001-5717
• isbnNo：CN11-1951/P

 The lacustrine sedimentary environment of the oft-com:office:smarttags" />Yixian Basin hosting the Jehol Group was discussed using the detailed carbon and oxygen stable isotope compositions of lacustrine carbonatic rock from the Upper Cretaceous Yixian Formation, Yixian, western Liaoning Province, NE China. The δ¹³C and δ¹⁸O values of the lacustrine carbonatic rock range from -4.825‰ to 6.870‰ and from 16.190‰ to -7.143‰, respectively. The result indicates that the hydrological characteristics tended to be closure, relatively hot and dry paleoclimate, resulting high salinity and temperature. Therefore, volcanic activity may be a key factor affecting hydrological condition and regional climate.