古水流方向 meaning in English
paleocurrent direction
Examples
- On the basis of the types of sand stone , light and heavy mineral associations , planimetric map of sedimentary facies and directions of palaeoflow , it is considered that detrital material of terrigenous deposit of chang6 - 8 oil - beds in this area come from southwest provenance , northeast provenance , west provenance and south provenance , respectively , which are the denudation area of huating - longxian county in southwestern , yinshan ancient land in the northern , the denudation area of yantong mountain and tongxin to the west of yangjiajuzi - yinjiacheng county and qinling ancient land in the southern
根据砂岩类型、轻、重矿物组合、沉积相带平面展布及古水流方向等特征的分析，认为研究区延长组长6 ? 8油层组陆源碎屑物质来自西南、东北、西部和南部四大物源区，分别为西南华亭?陇县一带剥蚀区，北部阴山古陆，西部的杨家咀子、殷家城以西的烟筒山、同心地区剥蚀区和南部秦岭古陆。 - Based on the direction of sources and the ratios of sandstone to formation of sedimentary rocks , together with the sedimentary structures and textures , paleocurrent direction and the characteristics of paleontology , etc . , the planimetric maps of sedimentary facies of each stages in the studied area are compiled in order to recognized the extension of dominant facies and the evlotionary history of sedimentary environment , hi the stage of benxi and taiyuan , lagoon - tidal flat sediments are widespread in the area , and the deposits of estuary , lagoon and small delta in the northwest margin of ordos
以物源方向和沉积岩砂地比值为基础，结合沉积结构构造、古水流方向及古生物特征等，编制了研究区各期次的沉积相平面图，以识别优势相展布和沉积环境演化。本溪期和太原期研究区泻湖?潮坪沉积分布广泛，西北缘发育河口湾、泻湖及小型三角洲沉积。 - On the basis of the analyses of peripheral ancient land , types of sand stone , light and heavy mineral associations and directions of palaeoflow , it is considered that detrital material of terrigenous origin of the upper palaeozoic in this area come from south provenance and north provenance , respectively , yinshan ancient land in the northern and east qinling ancient land in the southeastern
根据盆地周缘古陆、砂岩类型、轻、重矿物组合及古水流方向等特征的分析，认为研究区上古生界陆源碎屑物质来自南、北两大物源区，即北部的阴山古陆和东南部的东秦岭古陆。 - Based on the variation of light / heavy mineral components of sedimentary rocks , the typomorphic characteristics of various debris , the cathodoluminescence color of quartzes , the direction of paleocurrent and the extension of sedimentary facies , two source direction of the studied area in carboniferous and permian can be recognized , one is in bayanwusu , wulan ' ge ' er and hetaoyinshan area north of hangjinqi in the north margin of ordos , another is alashan area in the northwest margin of ordos
在深入研究本区沉积岩轻、重矿物组分的变化、各种岩屑的标型特征、石英阴极发光颜色、古水流方向及沉积相带展布等基础上，认为研究区石炭?二叠纪的物源方向主要有两个，分别为：北缘杭锦旗以北的巴彦乌苏、乌兰格尔及河套阴山地区；以及研究区西北缘的阿拉善地区。