全新统
- Holocene series
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河西走廊全新统
Holocene Series in Hexi Corridor
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全新统下限18.48m,(10.3±0.79)KaBP。
The lower boundary of Holocene is at 18.48 m , ~ ( 10.3 ± 0.79 ) ka BP .
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中全新统为冲积物,上部亚粘土,中部黑色泥炭层,下部细砂及砂砾层,厚5.1m;测得C~(14)年龄为4730&2976年。
Middle Holocene : it is marked by mild clays in the upper , black peat beds in the middle and fine sands and gravels in the lower , 5.1m thick , with C ~ ( 14 ) ages of 4.730-2.976 Ka .
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依据有孔虫动物群的研究和碳同位素测年,可将E1孔的地层分成3段:S1&S3(0.00~3.34m)为全新统;
Based on the researches of the foraminiferal fauna and the isotopic carbon-14 dating , it has been found that the stratigraphy of the El core can be divided into three phases : A. S1 & S3 ( 0 . 00 ~ 3 . 34m ) fall into Holocene ;
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矿床赋存于全新统冲积层。
This saphire deposit is occurred in the Holocene alluvium .
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长江河口沙坝全新统沉积特征和环境变迁粘住思念的河口
Sedimentary characteristics and evolution of Holocene river-mouth bars in the Changjiang Estuary
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松辽盆地南缘四平-双辽地区第四系全新统地层划分
Quaternary Holocene stratigraphy in siping-shuangliao area in the south margin of Song-liao Basin
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山东半岛东北部全新统研究新进展
New Advance in the Study on the Holocene Sediments in Northeastern Shandong Peninsula
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重矿物在东海全新统分层和研究中的应用
Use of Heavy Minerals in Dividing and Studying East China Sea Holocene Stratigraphy
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东海陆架全新统高分辨率层序地层学研究
High resolution sequence stratigraphy of the Holocene strata on the East China Sea shelf
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黄海晚更新统表层与全新统底层的沉积相及其界面特征
Characteristics of stratigraphic boundary between late Pleistocene and early Holocene serieses and their sedimentary facies in the Yellow Sea
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扬州市城区第四纪地层覆盖差异很大,明显分成两个不同的区域:扬州城区西南部仅为全新统和上更新统沉积,厚度较薄;
There are big differences in the overlay of the Quaternary sediments in different areas in Yangzhou urban area .
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辽西海岸带第四系全新统六股河组、大凌河组的建立及其沉积环境
Establishment and sedimentary environment of the Holocene Liuguhe 、 Dalinghe formations in the coastal zone of western Liaoning , China
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本文研究了马海盆地更新统一全新统含盐岩系分层沉积特征。
The layered sedimentary characteristics of saltbearing rocks from Pleistocene Series to Holocene Series of MahaiBasin are studied in this paper .
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本区全新统地层的沉积物按成因类型可分为冲积物、冲洪积物及洪积物。
Holocene strata in this area can be divided into alluvial deposits , alluvial material and diluvial genetic types of sediment .
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结果表明,不同岩类区与不同时期的泥沙流失量是不同的,与全新统比较,前震旦纪浅变质岩区水土保持较好,侵蚀速率下降;
Compared with the Holocene , Presinian epimetamorphic rocks region kept the soil and water losses less and the erosion rate descended .
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从太湖平原普遍分布的全新统海侵层,说明太湖曾是浅水海湾;
Out of Holocene transgression layer are dispersed widespread in the Tai-hu Lake Plain , shows Tai-hu Lake was gulf of shallow water .
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南锚碇区地下水主要为孔隙承压水,赋存于第四系全新统砂、砾石中,与长江水力联系密切;
The groundwater of south anchoring area , existed in sand and gravel of Quaternary Holocene , is mainly pore confined water and connects closely with Yangtze River water ;
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全新统粘性土、上更新统粉土侧阻力可据实测液化指数或密实度直接按桩基规范选取。
In addition , the lateral resistance of the Holocene cohesive soil and the upper Pleistocene silt can be determined according to the code directly based on the origin liquidity index of density .
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研究工作使用天津地区第一海相层底板埋深、全新统地层钻孔、深层基岩标和历史水准点等一系列资料,获得天津市和邻近地区构造沉降的平均速率为1.7mma左右。
Based on a series of data related to the depth of the first marine layer bottom , the borehole of Holocene , the deep lift marks of bedrock and the historical bench marks in Tianjin area , the average velocity of tectonic subsidence is 1.7mm/a has been obtained .