| 作者简介 | 第7-10页 |
| Vita | 第10-13页 |
| ABSTRACT | 第13-15页 |
| 摘要 | 第16-25页 |
| Chapter 1:Introduction, Research Status, and Methods | 第25-37页 |
| 1.1 Introduction | 第25-27页 |
| 1.2 Research objective and significance | 第27-28页 |
| 1.3 Project support | 第28页 |
| 1.4 Overseas and domestic research status | 第28-33页 |
| 1.4.1 Domestic research status | 第28-30页 |
| 1.4.2 Overseas research status | 第30-33页 |
| 1.5 Existing Problem of Cyclostratigraphy analysis | 第33-35页 |
| 1.5.1 The identification of Milankovitch cycles | 第33页 |
| 1.5.2 The problems existing in the astronomical tuning process | 第33-34页 |
| 1.5.3 Application in petroleum geology exploration | 第34-35页 |
| 1.6 Data sets, methods | 第35-36页 |
| 1.7 Point | 第36-37页 |
| Chapter 2:Geologic Background | 第37-46页 |
| 2.1 Geologic setting of the Jiuquan Basin and the adjacent areas | 第37-44页 |
| 2.1.1 Stratigraphy | 第38-42页 |
| 2.1.2 Former stratigraphic study results | 第42-43页 |
| 2.1.3 Tectonic evolution and structural features of the Jiuquan Basin | 第43-44页 |
| 2.2 Geologic setting of the Qingxi Sag | 第44-46页 |
| Chapter 3:Sequence Stratigraphy and Sedimentology Review | 第46-58页 |
| 3.1 Research significance and methods | 第46-48页 |
| 3.1.1 Lacustrine basin sequence stratigraphy study | 第46页 |
| 3.1.2 Orders of sequence stratigraphy and the division | 第46-48页 |
| 3.2 Sequence stratigraphy framework of the Xiagou Formation in the Qingxi Sag 24 | 第48-53页 |
| 3.3 Sedimentology review of the Xiagou Formation in the Qingxi Sag | 第53-58页 |
| 3.3.1 Sediment infill features | 第53-55页 |
| 3.3.2 Depositional facies distribution | 第55-58页 |
| Chapter 4:Earth orbit parameters during 115-120Ma (Xiagou Formation) in the Qingxi Sag | 第58-72页 |
| 4.1 Milankovitch Forcing Theory | 第58-63页 |
| 4.1.1 Astronomical Parameters | 第58-61页 |
| 4.1.2 Insolation | 第61-62页 |
| 4.1.3 Time Series Analysis for Cyclostratigraphy | 第62-63页 |
| 4.2 Earth orbit parameters during 115-120Ma in the Qingxi Sag | 第63-72页 |
| 4.2.1 Eccentricity | 第64-66页 |
| 4.2.2 Obliquity | 第66-68页 |
| 4.2.3 Precession | 第68-70页 |
| 4.2.4 The ratio of three Earth orbit parameters | 第70-72页 |
| Chapter 5 Recognition of cyclostratigraphy of the Xiagou Formation in Early Createous,the Qingxi Sag,Jiuquan Basin | 第72-137页 |
| 5.1 The sedimentary cycles defined by Nature Gamma-Ray cyclicity of the Xiagou Formation in the Qingxi Sag | 第72-94页 |
| 5.1.1 The cycle division in Member 0 of the Xiagou Formation(SQK1g~0) | 第73-77页 |
| 5.1.2 The cycle division in Member 1 of the Xiagou Formation(SQK1g~1) | 第77-87页 |
| 5.1.3 The cycle division in Member 2 and member 3 of the Xiagon Formation (SQK1Gg~(2+3)) | 第87-94页 |
| 5.2 Sedimentology,carbonate and organic carbon content | 第94-115页 |
| 5.2.1 Organic carbon,calcium carbonate and magnetic susceptibility in the cores of Well K3 | 第96-100页 |
| 5.2.2 Organic carbon,calcium carbonate and magnetic susceptibility in the cores of Well K4 | 第100-104页 |
| 5.2.3 Organic carbon,calcium carbonate and magnetic susceptibility in the cores of Well K5 | 第104-108页 |
| 5.2.4 Organic carbon,calcium carbonate and magnetic susceptibility in the cores of Well L2 | 第108-111页 |
| 5.2.5 Organic carbon,calcium carbonate and magnetic susceptibility in the cores of Well Q1 | 第111-115页 |
| 5.3 Geochemical records from Xiagou Formation of the Qingxi Sag | 第115-137页 |
| 5.3.1 The quantification and application of handheld energy-dispersive x-ray fluorescence(ED-XRF) | 第115-121页 |
| 5.3.2 Time- frequency analysis on main elements and trace elements proxies from Well K3 | 第121-124页 |
| 5.3.3 Time- frequency analysis on main elements and trace elements proxies from Well K4 | 第124-127页 |
| 5.3.4 Time- frequency analysis on main elements and trace elements proxies from Well K5 | 第127-130页 |
| 5.3.5 Time- frequency analysis on main elements and trace elements proxies from Well L2 | 第130-134页 |
| 5.3.6 Time- frequency analysis on main elements and trace elements proxies from Well Q1 | 第134-137页 |
| Chapter 6 Astronomical dating of the Xiagou Formation in the Qingxi Sag, Jiuquan Basin | 第137-157页 |
| 6.1 Phase relationships and astronomical tuning | 第137-140页 |
| 6.1.1 The target curves and phase relationships | 第137-138页 |
| 6.1.2 Astronomical tuning | 第138-140页 |
| 6.2 Establishment of astronomical time scale for the Xiagou Formation in the Qingxi Sag, Jiuquan Basin | 第140-149页 |
| 6.3 Stable isotope chemostratigraphy of Xiagou Formation in the Qingxi Sag, Jiuquan Basin | 第149-157页 |
| 6.3.1 Carbon isotope stratigraphy | 第150页 |
| 6.3.2 Oxygen isotope stratigraphy | 第150-153页 |
| 6.3.3 Carbon and Oxygen isotope covariance | 第153-155页 |
| 6.3.4 Indications of palaeoclimate and palaeoenvironment | 第155-157页 |
| Chapter 7 Conclusion | 第157-159页 |
| Acknowledgements | 第159-160页 |
| 致谢 | 第160-162页 |
| Reference | 第162-179页 |
