古地形

影响二1煤层厚度变化的因素主要为河流后生冲刷，其次为古地形和构造等。

The main factors which influence on the changes of the thickness of the coal bed ⅱ 1 are the fluvial deuterogenic scouring , the paleotopography , the structure , etc.

陆相湖盆古地形、可容空间的体积变化率与层序结构的关系

Relationship between Paleotopography and Volumetric Change Rate of Lacustrine Basin to the Sequence Structure

总体上讲，化学成分比较稳定，（Al2O3＋SiO2＋Fe2O3）一般为80%～82%，铝土矿的形成明显受岩溶古地形的控制，矿体厚度变化很大。

Al 2O 3 + SiO 2 + Fe 2O 3 is generally 80 % ￣ 82 % . The formation of bauxite is apparently controlled by the karst paleo topography . The thickness has big range .

贝南凹陷古地形对层序结构及沉积充填的控制

Control of Paleo-morphology to Sequence and Sedimentary System in South Beir Depression

氧化矿与原生矿呈上下交叉、水平交叉出现；氧化带的分布与现代地形无关，仅与古地形有关。

Oxidized ore and primary ore occurred in level and vertical directions .

研究认为，其沉积主要受风成湖浪和湖流以及古地形控制。

And its sediment is controlled by lake-wave , lake-flow and landform .

中国北部近海沉积盆地形成时期的古地形与盆地的含油气性

The palaeotopography of peripheral areas of North China offshore sedimentary basins and their petroliferous characteristics

Ⅲ、Ⅳ类组合则反映潜山古地形斜坡带，出露岩性为元古界碳酸盐岩。

Type III and Type IV reflect its slope belt with lithology of Proterozoic carbonate rocks .

实质上，这张等厚图代表着遭到侵蚀的密西西比系的模拟古地形面。

In essence , this isopach map represents the simulated paleotopographic surface of the eroded Mississippian .

初期只在古地形低部位接受沉积，然后逐步向上超覆。

Early days it only deposits at the low of ancient landform , then gradually overlap upward .

底部砾岩形成于受古地形控制的砾质河流沉积环境；

The lower conglomerate developed in fluvial environment which originated from incised valley , obviously controlled by paleogeography .

伴随火山活动的地震，造成了古地形的滑坡，导致了浊流沉积的形成。

Earthquake accompanied by volcanicity made a sliding paleotopography , res - ulting in the formation of turbidity deposit .

本文分析了该区域残余古地形面的地貌特点、成因及其利用价值。

The geomorphologic characteristics , causes as well as the development and utilization value of the surfaces are analyzed .

珠江口盆地早第三纪古地形、地貌演化初探

A preliminary study about evolution of topography and geomorphology of Zhujiang ( pearl river ) Mouth Basin in Eogene period

流水切割的古地形、海平面升降以及物源和沉积物供应量的变化，对沉积物分布起着主要控制作用。

The distribution of Late Quaternary sediments was dominated by the river-cut paleotopographic relief , sea-level fluctuation and change of terrigenous supply .

在古地形恢复技术研究中，重点讨论了关于古地形恢复可靠程度的各种校正及校正界定问题；

In the study of palaeotopography recovering technology , the correction and calibration defining problem about recovering fiduciary level for palaeotopography were discussed .

为此，探讨了利用高精度古地形恢复技术和地震共生体素聚类技术划分沉积相的方法。

Aiming at this problem , we probed the high precision palaeotopography recovering technology and seismic symbiosis voxel clustering technology for classifying sedimentary facies .

另对研究区延安组的聚煤特征给予了分析，并从构造、环境、气候及古地形等方面讨论了该区的成煤控制因素。

The coal accumulation and controlling factors are also discussed in the light of tectonics , environments , palaeoclimates and landforms in the Yan'an Formation .

控制岩溶发育的主要因素有：岩性及沉积环境、水动力条件、古地形因素、断裂与裂缝发育情况和风化淋滤时间等。

The main controls on karst reservoirs are : lithology , depositional environments , hydrology , ancient landform , fractures and weathering time and so on .

本文提出微型构造是在砂体沉积的下切作用、砂泥岩差异压实及沉积古地形的影响下形成，与构造作用力无关。

This paper indicates that the mini-structure are the results of downcutting under deposition and differential compaction in sandstone-shale , and the effect of paleogeomorphic feature in sedimentation .

通过单井N/E沉积间断地层剥蚀量的计算和古地形与剥蚀量关系的分析，绘制了济阳坳陷N/E沉积间断地层剥蚀厚度等值线图。

Based on calculation of erosion thickness under the hiatus in some wells and correlation between erosion thicknesses and palaeotopography , contour diagrams of erosion can be mapped .

采用古地形、波形分析、伪熵属性、高分辨率反演等技术进行定靶区、定目标的滩坝砂岩储层预测技术系列。

For beach bar sand bodies , choosing palaeotopography , waveform analysis , pseudo-entropy and high-resolution inversion to identify the hopeful sand bodies and farther to specify exploitation targets .

地层油气躲的形成与不整合类型、圈闭形成期与油气运聚成躲期的匹配，生储盖的配套、古地形构造特征等息息相关。

The forming of the strata reservoir was determined by uncomformity style , the matching of the traps forming phase and the main hydrocarbon migration phase or the paleotopography .

本文基于流线场理论和向东挤出的构造假说，采用物质平衡方法，对中国新生代古地形演化进行半定量初步研究。

Based on the slip-line field theory and the hypothesis of eastward extrusion tectonics of Asia , this study discussed a semi-quantitative test of the paleotopographic evolution of China during the Cenozoic .

沿盆地长轴方向，在坡降缓、斜坡长的古地形等条件下，源远流长地巨大的定向曲流河携带大量的泥沙进入湖盆，在河湖作用过渡带形成曲流河三角洲沉积体。

The immense oriented meandering river , along the long axis of the depression and with the gentle declivity and long slope , carried a large amount of mud and sand into the lake basin .

纵向上，各层序充填范围不断扩大，断陷期层序单元发育齐全，低位域展布受控于同沉积断裂及古地形，分布范围逐渐扩大，断拗转换期的SQ9-SQ11层序缺失低位域。

Vertically , the filling area extended gradually . In fault depression period , the sequence units developed completely . The distribution of low stand system tracts extended continuously and controlled by synsedimentary faults and palaeotopography .

古准平原化地形被不规则的峻峭的山谷所切割。一面是一座峻峭的石壁，一面是一排临湖的水阁。

Ancient peneplained surface is dissected by irregular steep sided valleys . On one side was a sharp towering cliff ; on the other , a building stood overlooking the water .

在束鹿凹陷古近纪的盆地断陷演化过程中，不同阶段构造发育特征和物源、古地形等的综合作用，导致了盆地充填过程及沉积类型的特殊性。

The compositive influences of structure , material origin and paleotopography at different stages resulted in the particularity of basin infilling and sedimentation type in evolution of the basin in the Paleogene .