白垩系

基于GIS的鄂尔多斯白垩系盆地浅层地下水水质分布规律研究

A study of shallow groundwater quality distribution in the Ordos Cretaceous Artisan Basin based on GIS

河南西峡琥珀产于白垩系上段（K2~3）砂砾岩中。

The samples of amber collected from the Xixia region , Henan Province , China occur in a sandy conglomerate formation of the Upper Cretaceous ( K_2 ~ 3 ) .

CFCS法在鄂尔多斯白垩系地下水盆地浅层地下水年龄研究中的应用

Application of CFC_S Methods in Dating Shallow Groundwater in the Ordos Cretaceous Groundwater Basin

此外并推断，白垩系浦口组（K（2p））的塑性岩层流动上拱很可能是局部构造形成的应力来源之一。

In addition , it is inferred that the flowage doming of plastic strata ( K_ ( 2p )) is also a kind of stress forming local structure .

鄂尔多斯盆地是一个巨大的开启型自流水盆地。白垩系是其中含水最丰富的岩体，约有7.57亿m3／a天然水资源。

The Ordos Basin is a huge artesian one , where Cretaceous System is richest in water , bearing about 757 million m3 / a of water resources .

NW向大沽河&朝连岛南断裂分为三段，北段呈门路状向湾内下降，为白垩系与胶南群片麻岩的分界断裂；

The NW-trending Dagu river-Chaoliandao fault is divided into three parts , the north part drawdowning turn northeast step-shapedly is the boundary of the gneiss and Cretaceous .

花园冲铜铅锌矿床受北北西向淯溪断裂带F5断层控制，含矿岩性为白垩系上统跑马岗组褪色白云质含砾次长石砂岩；

Huayuanchong copper-lead-zinc deposit is controlled by NNW F5 trending fault , while the ore-bearing lithology being Paomagang Fm fade dolomitic gravel subarkose .

中国已发现的生物气藏分布于第四系&白垩系，埋深小于2000m，生物气藏类型比较简单。

Biogenic gas pools discovered in China are stored in Quaternary-Cretaceous . Their pool types are simple and the buried depth is less than 2000m .

使用扫描质子微探针及微束PIXE定量分析技术对我国广东南雄盆地晚白垩系地层中的病态恐龙蛋壳化石样品的微米区域内元素成分进行了测定和研究。

The scanning proton microprobe and micro-PIXE quantitative analysis technique have been used to determine composition and distribution of the trace elements in micron areas of dinosaur eggshell fossils from the stratum of Upper Cretaceous system at Nanxiong Basin in Guangdong Province , China .

层序地层学分析结果表明，凹陷南部白垩系发育2个一级层序（TSq1和TSq2）、5个二级层序（ⅠⅤ）和12个三级层序（Sq1Sq12）。

The result of sequence stratigraphy research shows that the Cretaceous strata in this area involve two first-order sequences , five second-order sequences and twelve sequences .

结合裂变径迹资料和岩相古地理特征，将库车坳陷白垩系沉降历史分为四个演化阶段：（1）Berriasian中期（141.9~141.2Ma）：极快速沉降；

Combining with the data of fission track and paleogeography , subsidence history in Cretaceous of Kuqa depression can be divided into four stages ,( 1 ) middle Berriasian ( 141.9-141.2Ma ): sharp subsidence ;

为了查明埋深仅有580米的下白垩系目的层，则希望得好0.3秒的反射波，保护50Hz的有效波高频成分，分辨40米厚、300米长的地质体。

In order to ascertain the lower Cretaceous reservoir bed at the depth of 580m , we must get clear reflection at 0.3 seconds , keep 50 Hz high frequency content , and have the ability to distinguish a geologic body whose thickness is 40 m , and length 300 m.

白垩系在全区的残留面积为39675km2，最大残留厚度为5200m，有利于有机质的生成和转化，预示了白垩系较好的生油能力。

The remained Cretaceous deposit in the whole region is 39 675 km ~ 2 in area , with a maximum thickness of 5 200 m , hence presenting good conditions for the generation and transformation of organic matter and indicating a better oil and gas potential in this region .

塔里木盆地北部库车坳陷白垩系沉积古地理

Depositional Palaeogeography of Cretaceous of Kuqa Depression in Northern Tarim Basin

浙江江山白垩系一新的蜥脚类恐龙

A new sauropod dinosaur of Cretaceous from jiangshan , Zhejiang Province

克参1井白垩系划分对比的初步探讨

Primary Discussion on the Cretaceous Division and Correlation of Well KC_1

白垩系和第三系界线富铱层中的元素相关性研究

Elemental correlation in ir & rich Cretaceous and Tertiary boundary layers

鄂尔多斯白垩系自流水盆地水文地质特征与岩相古地理

Hydrogeological Characteristics and Lithofacies Palaeogeography of Cretaceous Artesian Basin , Ordos

论中国白垩系底界的同位素年龄划分方案

On the isotopic age of the Cretaceous lower boundary of China

从信江盆地新资料论侏罗、白垩系的界线

The Jurassic-Cretaceous boundary based on new data from the Xinjiang Basin

江西弋阳盆地白垩系含油气系统特征

Characteristics of Cretaceous Petroleum System in Yiyang Basin , Jiangxi Province

方正断陷白垩系&古近系层序地层学研究

Study on the Cretaceous-the Paleogene Sequence Stratigraphy of FangZheng Fault Depression

广东南雄盆地晚白垩系古地磁研究

A paleomagnetic study on Late Cretaceous in Nanxiong basin of Guangdong Province

浙江省白垩系和第四系中新建立的岩石地层单位

New lithostratigraphic units established for the Cretaceous and Quaternary in Zhejiang Province

鄂尔多斯盆地白垩系含水层系统分析

The groundwater system analysis of Cretaceous system of Ordos basin

鄂尔多斯沙漠高原区白垩系含水层补给源的探讨

Discussion of the Recharge Source of Cretaceous sandstone in Ardos Desert Plateau

塔河评价区白垩系碎屑岩储层综合评价

The Synergistic Evaluation of Clastic Reservoir in Tahe Oil Region

龙江组底部的不整合是该区侏罗系与白垩系的界线。

The basal unconformable boundary is the Jurassic-Cretaceous boundary of this area .

塔里木盆地西部海相白垩系&第三系界线划分的研究

Study on marine Cretaceous - Tertiary boundary in the Western Tarim Basin

关于鄂尔多斯盆地白垩系地下水分水岭的探讨

Research on the watershed of the groundwater of Cretaceous in Erdos Basin