| 藏北羌塘盆地胜利河油页岩干酪根特征及碳同位素指示意义 |
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| 关键词:Qiangtang basin Shengli River oil shale kerogen carbon isotope |
| 基金项目:国家自然科学基金项目(编号: 40702020)、四川省青年科技基金（09ZQ026-006）和国家油气专项(编号: XQ2004-06)资助 |
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| Characteristics of Kerogens and Their Carbon Isotope Implications for the Shengli River Oil Shale in Qiangtang Basin, Northern Tibet |
| The Shengli River oil shale in the southern part of northern Qiangtang depression within northern Tibet plateau has a EW-extending length of more than 34 km and a width of 9 m in the north-south direction. Such oil shale is of great importance in the assessment of oil and gas resources in Qiangtang basin. The oil shale has high kerogen contents and H/C ratios (1.11~1.19) and low O/C values (0.08~0.25), implying a fairly ideal source rock. The oil shale and interbedded marl from the Shengli River area in Qiangtang basin have a remarkably heavy Ckerogen isotopic composition, ranging in δ13C values of the bulk organic matter from -20.79‰ to -21.78‰. The enrichment of 13C in the Shengli River oil shale can be attributed to a combination of the high growth rate and the sedimentary environment, with the paleo-lagoon environment obviously controlling the spatial distribution and size of oil shale. |
| FU Xiu-gen,WANG Jian,WANG Zheng-jiang,HE Jiang-lin.2009.Characteristics of Kerogens and Their Carbon Isotope Implications for the Shengli River Oil Shale in Qiangtang Basin, Northern Tibet[J].Acta Geoscientica Sinica,30(5):643-650. |
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