paleocurrent 中文意思是什麼
paleocurrent
解釋
古海流-
Based on the synchronic seqence stratigraphic framework, through comprehensive investigation of the evaluation of seqence, the type of sedimentary facies and sedimentary system with it ' s area distribution, the domination of paleogeographic structure to paleocurrent and sedimentary system, draw a conclusion : the boundaries of the thickness of sequence was bounded by the boundary faults. the irregularity of sedimentary facies was dominated by base level rise to fall and accommodation
在建立等時層序地層格架的基礎上，分析了層序的充填演化規律、沉積相和沉積體系的類型及其平面分佈特徵、古構造對古水流和沉積體系分佈的影響，得出以下認識：層序發育的厚度受邊界斷層控制，層序內部沉積相的變化規律受基準面和可容納空間的控制。 -
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
以物源方向和沉積巖砂地比值為基礎，結合沉積結構構造、古水流方向及古生物特徵等，編制了研究區各期次的沉積相平面圖，以識別優勢相展布和沉積環境演化。本溪期和太原期研究區瀉湖?潮坪沉積分佈廣泛，西北緣發育河口灣、瀉湖及小型三角洲沉積。 -
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
在深入研究本區沉積巖輕、重礦物組分的變化、各種巖屑的標型特徵、石英陰極發光顏色、古水流方向及沉積相帶展布等基礎上，認為研究區石炭?二疊紀的物源方向主要有兩個，分別為：北緣杭錦旗以北的巴彥烏蘇、烏蘭格爾及河套陰山地區；以及研究區西北緣的阿拉善地區。 -
Methods based on comprehensive analysis of isopaches, sadstone percentage, paleocurrent and sadstone content, a reaserch is made on the sedimentary environment of upper permian shiqianfeng formation in the southern of north china
方法根據巖石碎屑組分基本數據，運用地層厚度、砂巖百分含量、古水流、砂巖成分的系統分析方法。 -
Paleocurrent properties of dongying delta in bohai bay basin
東營三角洲的古流向研究 -
Mesozoic paleocurrent properties in the southern edge of altyn mountain in the western qaidam basin
柴西阿爾金山南緣中生界古流特徵 -
3. the mesozoic paleogeography of the north margin of the dabie orogenic belt was established according to the paleocurrent study
通過古水流研究，恢復了大別造山帶北緣中生代的古地理。 -
Ascertaining the paleocurrent direction of the mesozoic basin and reconstructing the paleogeography ; ( 4 ). deciding the material components and original structure sequences of the basin provenance, and coupling relationship between the sediments of the basin and geologic units of the provenance ; ( 6 ). establishing the mesozoic tectonic evolution history of the dabie orogenic belt and discussing the collisional mechanism of the belt
主要研究內容包括：釐定大別山北緣地區中生代地層的年代格架；劃分巖相，確立沉積體系；確定中生代盆地古流向，恢復盆地的古地理；確定物源區物質組成、演繹物源區原始構造層序、建立盆地沉積物與物源區地質單元的耦合關系；根據沉積學以及區域地質研究，重塑大別山中生代構造演化歷史，探討大別山造山帶的碰撞成因機制。 -
This paper focuses on the establishment of the synchronic stratigraphic framework, the effect of paleogeographic structure to the direction of paleocurrent and the distribution of sedimentary system in time and space, the type of sedimentary facies and it ' s evolution, the matching relations of generation, reservoir, seal rock, the prediction of favorable zone
重點分析層序格架的建立、古地理格局及其對古水流和沉積體系作用的影響、沉積相的類型和演變特徵、沉積體系的時空展布特徵、生儲蓋的組合及勘探有利區帶的預測等幾方面。
分享友人