| 1. | The exploration experience of the los angeles basin demonstrates that the footwall fault traps can have very significant reserves 洛杉矶盆地的勘探实践说明断层下盘圈闭有时也能含有很可观的储量。 |
| 2. | Xianhe block is located in the shallow water area of bohai bay with an area of 100 km2 . geologically , it lies on the footwall of hainan no . l fault within liaohe western depression 仙鹤地区位于渤海辽东湾滩海地区,辽河西部凹陷东侧海南一号断层的下降盘,面积约100km ~ 2 。 |
| 3. | Based on the contrast of the comparability , the paper concludes that the footwalls of reverse faults in the front of altun mountain may form effective hydrocarbon traps 通过对比分析两者之间的相似性,认为柴达木盆地阿尔金山前带构造深部发育的逆冲断裂下盘也应该具有形成油气圈闭的条件。 |
| 4. | Near shore sub - aqueous fans , fan delta and delta occurred on the footwall of the hainan marginal fault , whereas turbidity fans developed in the deep water area and the footwall of the hainan no . 2 fault 海南边界断层下降盘分别发育近岸水下扇、扇三角洲和三角洲沉积。海南2号断层下降盘及深水区域浊积扇沉积发育。 |
| 5. | Based ongeological condition and mechanics propertie s of open - pit footwall slope rock in xinqiaopyrite mine , the stopes stability is analysed by calculation of double slide face typefailure mode with limit equ ilibrium theory 基于对新桥矿露采下盘边坡的地质概况和岩石物理力学性质分析,采用极限平衡理论,通过双滑面型破坏模式的计算,对边坡作了稳定性分析。 |
| 6. | Stereographic technique is used in the analysis of the footwall slope in the open - pit of bangmoshan iron mine . the slope fracture mode and the slipping direction of unstable blocks are given and the stable slope angle is calculated to be 46 运用赤平极射投影的方法,对棒磨山铁矿露天采场下盘边坡进行了稳定性分析,给出了边坡破坏模式和不稳定块体的滑动方向,并推算稳定边坡角为46 。 |
| 7. | Greenschist facies , low green schist facies and brittle shear deformation facies . the attitude of different structural element of the yagan mcc are keeping coordination . analysis of kinematics demonstrates the sse - directed shearing - off of the hanging wall relative to the footwall along the penetrative mylonitic lineation 其变形相由变质核中心到上盘岩系(由深至浅)依次为高角闪岩相? ?绿片岩相? ?低绿片岩相? ?脆性剪切变形相,显示亚干核杂岩由中心向边部变形层次递减的特点。 |
| 8. | According to the spread of nappe and relation between the nappe and depression , oblique - thrust fault zone was divided into three parts in this paper : sertengshan , lvliangshan and xitieshan . ( 3 ) according to macroscopic characteristics of fault zone , cleavage characters of fault zone , drag folds , the reverse " s " fold in the footwall , positive flower structures and small left strike - slip fault , the kinematics characters of fault zone of sertengshan - xitieshan are concluded : thrusting in section , left - slip fault in plane and the strike - slip displacement increasing from the west to the east ( 3 )根据断裂断裂带的宏观特征、断层带劈理特征、断裂带附近的牵引褶皱和断层下盘的平面反“ s ”型褶皱以及断层上盘剖面正花状构造和平面左行小型平移断层,认为赛什腾-锡铁山断裂带运动学主要表现为剖面上的逆冲、平面上的左行走滑特点,并且走滑量具有自西向东增大之势。 |
| 9. | Sxotf is recognized in the northern qaidam based on the analysis of structures of area . this oblique trusting fault zone with northwestern - southeastern trending consists of fault gouge , fault breccia and fault cleavage . fault hanging wall consists of sertengshan - xitieshan napple , which is distribution in dextral en echelon . fault footwall consists of youcangshan formation in neogene 本文在对赛什腾? ?锡铁山斜冲断裂详细地段构造解析的基础上,结合盆地的沉积特征、地球物理资料等对该斜冲断裂的几何学、运动学及形成时代进行了研究,论文着重探讨了赛什腾? ?锡铁山斜冲断裂的地质意义。 |
| 10. | It is shown that deep abnormal high pressure confined area ( abnormal prressure fluid compartment ) at footwall in southern margin of the basin and uplift sector closely related to faulting should be as a domain or direction for exploration , and structural traps ( like faulting barrier , anticline , etc . ) along with original oil / gas reservoirs at major faulting footwall as the main exploratary targets 盆地南缘断裂下盘深层的异常高压封闭区(流体封存箱) 、与断裂密切相关的隆起段是今后主要勘探方向与领域,断裂遮挡、背斜等构造型圈闭? ?主断裂下盘原生油气藏是主要的勘探对象。 |