| 1. | The cuoqin basin suonahu formation is lacustrine facies and been divided into fan - delta and shallow lagoon facies
措勤盆地唢呐湖组以陆湖泊相为主，划分为扇三角洲、滨湖相和浅湖相。 |
| 2. | The sedimentary facies of sihetun area may be divided into alluvial - fluvial , shore - lacustrine , semi - deep and deep lacustrine ; while those in yixian area can be classified into alluvial - fluvial , fluvial , shore - lacuatrine and lacustrine facies
四合屯地区的沉积相可以划分为冲积扇河流相、滨湖相、半深深湖相；义县地区沉积相可以划分为冲积扇河流相、河流相、滨浅湖与湖相。 |
| 3. | As regards sk ( bias angle ) and kg ( kurtosis ) values , the fluvio - lacustrine facies or palaeosols increases considerably compared with the aeolian sands . the former displays positive bias and the latter often approximately symmetrical distribution with only a minority negative bias
就sk和kg变化而言，河湖相或古土壤值较之风成砂明显增高，前者呈正偏，后者常常表现近对称分布，仅少数呈负偏。 |
| 4. | Situated at the southeast of the mu us desert , ordos plateau , the milanggouwan stratigraphical section in the salawusu river valley keeps a record of 38 sedimentary cycles of alternate evolution of the aeolian dune layers with the fluvio - lacustrine facies and palaeosols since 150 ka bp
位于鄂尔多斯高原毛乌素沙漠东南边缘的萨拉乌苏河流域的米浪沟湾剖面，记录了150kabp以来的38个风成的砂丘砂与河湖相和古土壤交替演化的沉积旋回。 |
| 5. | Mz , a , sk , kg and sc / d ( ratio of the sum of silt and clay to sand ) of fluvio - lacustrine , palaeosols and aeolian sands constitute an interlocking , multi - fluctuation process curve with peak and valle y values : the < & value of mz , o and sk values often increase accordingly from aeolian sands to its overlying fluvio - lacustrine facies or / and palaesols , the kg value heightens , too , and the sc / d value also basically consists with its change steps
河湖相和古土壤与风成砂的mz 、 、 sk 、 kg以及sc d (粉砂粘土之和与砂的比值)构成一峰谷交替、犬牙交错的锯齿状多波动过程线：常常是由风成砂至上覆河湖相或和古土壤， mz的值、 、 sk值相应增大， kg相应增高， sc d值亦与之变化步骤基本一致。 |
| 6. | Terrestrial sediments consist mainly of fluvial and lacustrine facies have the following characteristics : lacustrine basins have undergone a long continuous and fast subsidence and contain many terrestrial source rock sequences ; sedimentary facies of terrestrial basins are deposited in a ring formation . the best source beds are the continental source beds which contain dark shale
陆相沉积以河流湖泊相为主，其基本特征有：长期快速沉降的湖相沉积盆地是陆相生油的发育区；陆相湖盆的沉积相带大都是环状分布，暗色泥岩是最佳生油层。 |
| 7. | The general characteristics of the grain - size distribution of different sedimentary facies , es pecially the variations of the parameters mz ( mean particle diameter ) and o ( standard deviation ) clearly show that the fluvio - lacustrine facies and palaeosols usually become finer in particles and worse in sorting than the aeolian sands
该剖面不同沉积相粒度的一般分布特征尤其是粒度参数? mz 、的变化明显表现出，河湖相或古土壤通常要较风成砂颗粒细化，分选相对较差。 |
| 8. | Besides , the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration . the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings . the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north , the coarse lithology of fan - delta prograded from north to south in fall - hemicycles , and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south , braided stream facies prograded from sorth to north in the fall - hemicycles , but the lacustrine facies and salt lake facies developed in the middle part of the area
详细的沉积相研究发现，红狮地区第三系发育有冲积扇、水下冲积扇、河流、三角洲、扇三角洲、湖泊和湖底扇7种主要沉积相类型，并对作为区内主要勘探目的层系的下干柴沟组和上干柴沟组进行了以超层序为单位的沉积相平面编图，以较高的时间分辨率揭示了区内沉积相带的平面展布及其在不同构造背景中的分布规律，比如在北部的凹陷陡坡背景下，上升半旋回低水位期通常发育有水下扇、湖底扇等陡岸近源特征的沉积体系，下降半旋回高水位期，扇三角洲相粗碎屑岩由北向南进积;在南部的凹陷缓坡背景下，上升半旋回主要发育辫状河流相，下降半旋回辫状河三角洲相由南向北进积;而中部红柳泉一狮子沟一带则为湖泊相沉积和盐类沉积。 |
| 9. | Grain - size accumulation percentage of the aeolian sands in the past 150 ka in milanggouwan section is mainly characterized by the aeolian palaeo - mobile dune sands , which are composed of majority fine sands and minority very fine sands . there is n ' t almost any silt and clay . those of the fluvial facies , especially the lacustrine facies and palaeosols , are mainly composed of very fine sands and also contain some quantities of silt and clay
米浪沟湾剖面150kabp以来风成砂的粒度累积百分含量以古流动砂丘砂物质为主，其中以细砂含量最高，极细砂为次，几乎不含粉砂与粘土；河流相、特别是湖沼相与古土壤以极细砂含量占优势，且具一定含量的粉砂和粘土。 |
| 10. | Dividing the sedimentary facies as a delta - lacustrine facies according to wudaoliang group sedimentary rock facies and its combination , regarding lacustrine facies as principle ; the northern qiangtang suonahu formation sedimentary facies was divided for fluvial facies and the lacustrine facies , regarding lacustrine facies as principle
根据五道梁群沉积岩相特征及其组合，将五道梁沉积相划分为扇三角洲- -湖泊相，以湖泊相为主。羌北盆地唢呐湖组沉积相划分为河流相和湖泊相，以湖泊相为主。 |
