| 1. | Characteristic of converse nappe structure and meaning of search for coal in yima coalfield 义马煤田逆冲推覆构造特征及找煤意义 |
| 2. | Elementary analysis on breaking feature of overburden rock during mining under special nappe structure 特殊推覆体下开采覆岩破坏特性浅析 |
| 3. | The determination of cenozoic nappe structures of diancang mts and their geological significance 点苍山新生代推覆构造的确立及其地质意义 |
| 4. | Features and genetic mechanism of thrust nappe and sliding nappe structures in the xiajiang area , central jiangxi 赣中峡江地区推滑覆构造特征及成因机制 |
| 5. | Indosinian nappe structure and its hydrocarbon significance in hefei basin and north huaiyang tectonic zone 合肥盆地与北淮阳构造带印支期的推覆构造及其油气意义 |
| 6. | The present thrust nappe structure formed in late jurassic according to comprehensive analysis of sedimentary , structure and fission track tesing result 据沉积、构造和裂变径迹测试结果综合分析认为,现今所见的贺兰山逆冲推覆构造形成于晚侏罗世。 |
| 7. | The nappe structures made the faultage in this area developed . the faultage is along or close to meridional direction , and it offered favorable conditions for the formation of the mineralizing fluid 推覆构造使得该区断裂、断层发育,主要以南北向或近南北向断裂为主,断裂带的发育为流体的形成提供了有利的条件。 |
| 8. | There are five kinds of fault - fold assemblage styles which are respectively thrust - nappe structures , imbricate thrust - propagation folds , face to face thrusts , back to back thrusts and positive flower structures 主要的断层?褶皱组合样式有冲断推覆构造、叠瓦冲断层?断展褶皱组合、对冲断层?冲凹构造、背冲断层?冲起构造和正花状构造。 |
| 9. | The mineralizing fluid in lanping - baiyangping area is deep circulatory thermal brine as a whole , the mineralizing matter mainly comes from deep , and the genetic type of the deposit belongs to the low - to - moderate - temperature hydrothermal silver polymetallic ore deposit related to nappe structures 因此,兰坪白秧坪地区成矿流体总体为深部循环的热卤水溶液,成矿物质主要来源于深部,矿床成因类型属于与推覆构造有关的中低温热液银多金属矿床。 |
| 10. | To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain , to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2 . combining the quondam achievements , researching the design method of observation system objective of the complicated construction belt based on seismic - geology model , firstly , building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model , secondly , designing the observation system aiming at the overthrust nappe structure in section and in area ; 3 . aiming at the complicated earth ' s surface condition of front - zone of mountain , how to select the exciting method and the parameter , how to optimize the environment of exciting method and reception , how to pledge the normal combination of the datum of different exciting method ; 4 根据山前带的地震地质条件特点,本文主要研究了以下几个方面的内容: 1 、对以往山前带地震攻关成果开展调研工作,分析研究在山地山前复杂构造带所采用的地震勘探采集技术的适用性; 2 、研究基于地震地质模型的复杂构造带观测系统目标设计方法:如何建立复杂构造带的表层、深层地震地质模型,利用正演分析目标区的观测系统;针对逆掩推覆体构造,如何分区分段有针对性设计观测系统等; 3 、针对复杂地表条件的山地山前带,如何选择激发方式、参数,如何优选激发、接收环境,如何保证不同激发方式的资料能正常拼接; 4 、山前带巨厚砾石区的表层结构调查技术及静校正方法研究。 |