| 摘要: |
| 利用基准面识别技术对柴达木盆地中生代地层进行了分析,划分出4个长期基准面旋回:LSCI、LSC2、LSC3和LSC4,并以此为作图单元进行古地理分析,对研究区的沉积面貌有了更详细的认识。 |
| 关键词: 基准面 古地理 旋回 |
| DOI： |
| 附件 |
| 投稿时间：1999-05-03 |
| 基金项目: |
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| Applications of the identification techniques of base levels to palaeogeographic research:an example from the Mesozoic strata in the Qaidam Basin,Qinghai |
| CHE Shu-li, GUAN Shou-rui |
| (University of Petroleum, Beijing 102200, China) |
| Abstract: |
| The identification techniques of sequence stratigraphic base levels proposed by T. A. Cross give us a new clue to the sequence stratigraphic division of continental basins. These methods have been applied in the present paper to the research on the Mesozoic strata in the Qaidam Basin, Qinghai. Four long-term base-level cycles are recognized in the basin: LSC1, LSC2, LSC3 and LSC4 (the 1st, 2nd, 3rd and 4th long-term base-level cycle, respectively), which were once employed as mapping units in the palaeogeographic research of the basin. It appears that these methods are well grounded, and may gave a new impetus to the palaeogeographic research in the study area. |
| Key words: base level palaeogeography cycle |
