| 罗子沟盆地大砬子组油页岩有机地球化学特征及其地质意义 |
| |
| 引用本文： | 刘冬青,柳蓉,刘招君,胡晓峰,孙平昌,杨小红,徐银波.罗子沟盆地大砬子组油页岩有机地球化学特征及其地质意义[J].世界地质,2012,31(2):315-412. |
| |
| 作者姓名： | 刘冬青 柳蓉 刘招君 胡晓峰 孙平昌 杨小红 徐银波 |
| |
| 作者单位： | 1. 吉林大学地球科学学院，长春130061; 2. 吉林大学东北亚生物演化与环境教育部重点实验室，长春130026 |
| |
| 基金项目： | 全国油气资源战略选区调查与评价国家专项，高等学校博士学科点专项科研基金(新教师基金课题)，国家自然科学基金，吉林省科技发展计划(青年科研基金)，吉林大学科学前沿与交叉学科创新项目，吉林大学创新团队建设项目 |
| |
| 摘 要： | 通过对罗子沟盆地大砬子组上段油页岩干酪根镜检、热解、GC 和GC-MS 等分析，并对其有机地球化学多项特征参数进行研究，讨论罗子沟油页岩有机地化特征及其地质意义。根据姥植比及伽马蜡烷、孕甾烷、重排甾烷、重排藿烷等参数特征分析，推测油页岩形成的古湖泊水体性质为淡水--微咸水的还原沉积环境。综合分析显微组分镜检和热解结果及甾烷( C27--C29 ) 分布等参数，认为研究区油页岩有机质主要为混合母源输入。依据热解、Ro、甾烷和C31 升藿烷异构化程度、C29 莫烷/C29 藿烷、 Ts 与Tm 相对含量比值等指标的对比，指出研究区油页岩处于未熟－ 低熟热演化阶段。
|
| 关 键 词： | 罗子沟盆地 大砬子组 油页岩 有机地球化学 地质意义 |
Organic geochemical characteristics and geological significance of oil shales in Dalazi Formation of Luozigou Basin |
| |
| LIU Dong-qing
,
LIU Rong
,
LIU Zhao-jun
,
HU Xiao-feng
,
SUN Ping-chang
,
YANG Xiao-hong
,
XU Yin-bo.Organic geochemical characteristics and geological significance of oil shales in Dalazi Formation of Luozigou Basin[J].World Geology,2012,31(2):315-412. |
| |
| Authors: | LIU Dong-qing LIU Rong LIU Zhao-jun HU Xiao-feng SUN Ping-chang YANG Xiao-hong XU Yin-bo |
| |
| Affiliation: | 1. College of Earth Sciences，Jilin University，Changchun 130061，China; 2. Key-Lab for Evolution of Past Life and Environment in Northeast Asia，Ministry of Education，Changchun 130026，China |
| |
| Abstract: | The authors studied the organic geochemical parameters of oil shales from upper Dalazi Formation of Luozigou Basin by kerogen microscopy,rock-pyrolysis,GC and GC-MS analysis,and discussed the organic geochemical characteristics and geological significance of oil shales in Luozigou Basin.Oil shales were formed under sedimentary environment of fresh-slight saline water reduction,based on the analysis of some patameters including Pr/Ph ratio,gammacerane,pregnane,diasterane and diahopane.Comprehensive analysis of maceral microscopy,rock-pyrolysis and sterans(C27—C29) distribution showed that the oil shales organic matters were mixed source input in the studied area.Rock-pyrolysis,Ro,isomerized degree of sterane and C31 homoterpane,C29 morpane/C29 hopane,and Ts/Tm showed that the oil shales were immature to low mature in their evolutionary stage. |
| |
| Keywords: | Luozigou Basin Dalazi Formation oil shale organic geochemistry geological significance |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《世界地质》浏览原始摘要信息 |
|
点击此处可从《世界地质》下载全文 |
