海退

钻孔岩心声速Cp垂向变化与地质历史中的海进、海退事件有关；

The vertical variances of sound velocity ( C p ) in core sediments are related to the events of marine transgression and regression in geologic history .

这是晚奥陶世晚期大规模海退的结果。

This was the result from the large-scale regression in the Late Ordovician .

此外，微量元素Al的变化也是海侵海退旋回的良好标志。

Besides , trace element Al is a good sign for transgression-regression cycle .

B2孔海退层序中曲不连续面与贝壳堤基底侵蚀面相对应，也与振荡波的上升坡段相对应。

The discontinuity surfaces in the regressive sequence of B_2 core correspond to the erosion surfaces of chenier bases and rising phase of each sea level oscillation wave .

B.P气候最佳时期上海地区海平面表现出升中有降的现象，本文对这一短暂的海退现象作了简要的分析。

B. P. Simple analysis is made about this phenomenon in the paper .

认为扎尔则油田泥盆系F4层的沉积相是海洋环境下重力流沉积形成的水下扇，从下到上为一海退&海进沉积序列。

It is considered that F4 layer is a submarine fan generated by gravity flow in marine environment , with a regressive-transgressive sequence from the lower to the upper parts .

通过对比，建立了平湖组沉积在海退背景下的时空演化序列，解释了海平面升降过程中滨岸带所发育的多种沉积类型，特别是对TWT井沉积相提出了新的解释。

At last , this paper interprets the depositional history of time space evolution of Pinghu Formation and various depositional types that developed in shore zone under regressive background , and puts forward new interpretations of facies of Pinghu Formation in TWT .

中国东部第四纪海进、海退研究中存在的几个问题

Some problems concerning research on Quaternary INGRESSION-REGRESSION in eastern China

贵阳乌当上古生界的海侵&海退层序

Transgressive-Regressive Sequences of the Upper Paleozoic at the Wudang Section in Guiyang

黔南泥盆-石炭系界线层层序和海退事件

The sequence of Devonian-Carboniferous boundary beds and the regressive event of South Guizhou

上扬子区晚奥陶世海退的生态地层证据与冰川活动影响

Ecostratigraphic evidence of the Upper Ordovician regressive sequences and the effect of glaciation

全新世长江三角洲地区的海进海退层序

Holocene transgressive - regressive sequence in Yangtze Delta Area

海进和海退概念被认为是基本的概念。

The concepts of marine transgression and regression are considered to be fundamental .

本区的沙坝泻湖属于海退型。

The barrier-lagoons belong to marine regression type .

辽宁沿海早、中期全新世海进中的一次海退事件探讨

Discussion on the marine regression event during the Early-Middle Holocene in the Liaoning Coast

中全新世存在一次海退沉积间断；

A depositional break in the middle Holocene ;

海退期沉积量大于海侵期。

The sediment amounts of regressive period are more than those of the transgressive period .

渤海海退典型区&吴桥县污水灌溉对土壤污染调查

Bohai Typical Regression District & Investigation of Sewage Irrigation on Soil Pollution in Wuqiao County

沉积演化和沉积模式研究表明其属海退模式。

The study on sedimentary evolution and sedimentary pattern indicate that it belongs to regression pattern .

向我鞠躬，海退潮了

At me , the sea withdrew

贵州紫云运动与泥盆纪末华南板块海退事件的因果关系研究

Research on Causality of Guizhou Ziyun Movement and the Regression of Late Devonian South China Plate

上部为较大的持续海退阶段，出现鲕粒滩及核形石滩。

The upper part is a relatively large continuous regression stage with the occurrence of oolite and oncoids beachs .

大型河控浅水三角洲沉积体系发育于鲁西石炭二叠纪含煤地层的上部，是晚古生代大规模海退时期陆源碎屑物质快速推进的产物。

He large-scale fluvial-controlled shallow-water deltaic depositional system is developed in the upper part of the Permo-Carboniferous coal measure .

这些孢粉化石资料说明区域性植被响应气候演变、海进、海退等所发生的变化。

These fossil data indicate the changes in regional vegetation in response to climate variations and marine transgressions and regressions .

早古生代海相盆地的演化与洋-陆转换共耦，沉积了海侵和海退序列的烃源岩；

The evolution of marine basins in early Paleozoic occurred as hydro-carbon source rocks with transgressive sequence and regressive sequence ;

综合古生物、地球化学、沉积等特征认为本区晚二叠世为近海陆缘湖泊沉积环境。这为研究新疆北部晚古生代沉积环境、海退时间及方向提供了新的信息。

These offered new information for studying sedimentary environment , regression time and direction in Late Paleozoic in northern Xinjiang .

这种席状砂岩的厚度直接取决于海退速率以及砂质供给量。

The thickness of this sheet sandstone is related directly to rate of regression and the amount of sand available .

第四纪气温的大幅度冷暖变化，导致全球海平面的变化，引起陆架海侵和海退。

Large amplitude changes of Quaternary atmospheric temperature induced the global sea level changes and continental shelf transgressions and regressions .

长江三角洲地区末次冰盛期前海退过程中气候变化的初步研究

Preliminary study on the Climate Changes in the Processes of Regression before the Last Glacial Maximum in the Yangtze Delta Area

中侏罗世至晚侏罗世早期经历了一次完整的海侵-海退旋回和一次海侵过程。

There existed a transgressive-regressive cycle and a transgressive cycle from the Middle Jurassic to the early period of Late Jurassic .