| 辽西及其毗邻地区中生代盆地的构造类型和特征 |
| |
| 引用本文： | 武广,王五力.辽西及其毗邻地区中生代盆地的构造类型和特征[J].地质与资源,2003,12(1):1-8. |
| |
| 作者姓名： | 武广 王五力 |
| |
| 作者单位： | 1. 吉林大学, 吉林 长春 130026;2. 沈阳地质矿产研究所, 辽宁 沈阳 110033 |
| |
| 基金项目： | 辽河油田外围区大地构造格架和中新生代盆地构造演化项目资助 |
| |
| 摘 要： | 辽宁及其毗邻地区大地构造位置隶属于环太平洋构造带外带内陆区,该区分布有为数众多的中生代盆地.根据前晚三叠世基底出露情况,在该区划分出了61个中生代盆地.盆地的构造类型分为拗裂型、裂陷型、断陷型和断拗型4种类型.拗裂型盆地形成于晚三叠世-中侏罗世,又称早中生代盆地;断陷型和裂陷型盆地形成于晚侏罗世-早白垩世早期,又称晚中生代早期盆地;断拗型盆地形成于早白垩世晚期-晚白垩世,又称晚中生代晚期盆地.拗裂盆地与环太平洋深大断裂体系的热构造关系不明显,而与古板块构造的隆起和裂陷有关;裂陷和断陷盆地与环太平洋深大断裂体系的热构造密切相关,盆地严格受大兴安岭和下辽河-双辽两大热构造隆起带控制;断拗盆地与环太平洋弧后拉张的热体制有关.
|
| 关 键 词： | 辽西 中生代 构造类型 盆地特征 |
| 文章编号： | 1671-1947(2003)01-0001-08 |
| 收稿时间： | 2002-05-08 |
| 修稿时间： | 2002年5月8日 |
STRUCTURAL TYPES AND CHARACTERISTICS OFMESOZOIC BASINS IN WESTERN LIAONING AND ITS ADJACENT AREAS |
| |
| WU Guang,WANG Wu-.STRUCTURAL TYPES AND CHARACTERISTICS OFMESOZOIC BASINS IN WESTERN LIAONING AND ITS ADJACENT AREAS[J].Geology and Resources,2003,12(1):1-8. |
| |
| Authors: | WU Guang WANG Wu- |
| |
| Institution: | 1. Jilin University, Changchun 130026, China;2. Shenyang Institute of Geology and Mineral Resources, Shenyang 110033, China |
| |
| Abstract: | The Western Liaoning and its adjacent areas, tectonically belonging to the inland area of the outer circum-Pacific tectonic belt, are developed with a lot of Mesozoic basins. According to the distribution of pre-Late Triassic basement, 61 basins are recognized. Based on their structural types, the basins are classified into four types, which are the depression-splitting basins, the splitting basins, the fault basins and the fault-depression basins. The depression-splitting basins were formed in Late Triassic-Middle Jurassic, and are therefore called the Early Mesozoic basins as well. The fault basins and^splitting basins, formed from Late Jurassic to the early stage of Early Cretaceous, are also called the early Late Mesozoic basins. The fault-depression type, known as the later Late Mesozoic basin, was formed between later Early Cretaceous and Late Cretaceous. The depression-splitting basins are related to the uplift and depression of paleoplate tectonics, but not to the thermal-tectonic system of the circum-Pacific deep-seated faults. The fault basins and splitting basins are closely related to the thermal-tectonic system of the circum-Pacific deep-seated faults, which strictly control the basins by the Daxinganling and Lower Liaohe-Shuangliao thermal-tectonic mole belts. The fault-depression type has a relation to the thermal-tectonic system located in the circum-Pacific rear-arc extension region. |
| |
| Keywords: | Western Liaoning Mesozoic era structural type basin characteristics |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《地质与资源》浏览原始摘要信息 |
| 点击此处可从《地质与资源》下载免费的PDF全文 |
|
