白垩纪

白垩纪始，区内以断块差异升降为主，形成掀斜式断陷盆地和掀斜式隆断带，差异性升降最大超过1000m。

From Cretaceous Period , the differential elevator movement of fault block in this area was strong and produced the tilted fault basin and tilted dislocated upwarping belt , the largest dislocation arrived more than 1 000 meter .

西峡恐龙遗址属于白垩纪断陷盆地沉积。

Xixia ruins belong to the Cretaceous period dinosaur rift sedimentary basin .

1980年6月，路易斯w阿尔瓦雷茨和他的同事们，提出了一个关于白垩纪与三叠纪交界时那次大灭绝原因的理论。

In June of1980 Luis W.Alvarez and his cot-leagues introduced a theory for the cause of the extinction that occurred between the Cretaceous and tertiary periods .

江西中西部地区白垩纪玄武质岩石的~（40）Ar/~（39）Ar年代学和地球化学研究

~ ( 40 ) Ar / ~ ( 39 ) Ar geochronology and geochemistry of Cretaceous basaltic rocks for the central and northwestern Jiangxi Province

白垩纪为陆内裂谷阶段，形成的代表性地质要素有AA型花岗岩、大量陆相红色断陷盆地、基性火山岩、双峰式次火山岩等。

The Cretaceous is an intraplate-rifting stage , characterized by representative geological elements such as AA-type granite , red down-faulted basins , bimodal subvolcanic rocks and basic volcanic rocks .

地球磁场多次发生南北（正负）磁极位置的变换和白垩纪超静磁带（CNS）的异常现象，这已为大家所公认。

It is generally acknowledged that geomagnetic polarity has reversed many times in geological history and an abnormal geologic phenomenon is the Cretaceous normal superchron ( CNS ) .

浙江省西北部白垩纪火山岩Nd-Sr同位素特征

Nd-Sr isotope features of Cretaceous volcanic rocks in northwestern Zhejiang

进入燕山期，随着桂东南逆冲推覆构造前缘不断地向NW方向扩展，侏罗纪&白垩纪时期的前陆盆地也不断地向NW方向迁移。

In the Yanshanian period , with continuous NW-directed propagation of the front of the southeastern Guangxi thrust nappe structure , the Jurassic-Cretaceous foreland basin also migrated continuously in a NW direction .

侏罗纪中期至白垩纪末期是川东北飞仙关组古地温最高时期（120～180℃），也是TSR反应发生的最主要时期。

The period from mid-Jurassic to Late Cretaceous is a period with the highest paleotemperature ( 120-180 ℃) for T_ 1 f in NE Sichuan Province , and also the most important period for TSR reaction .

大沽河下游平原区沉积了丰富的砂层，平面上呈串珠状分布，厚38m，下伏白垩纪红砂岩不透水层。

There are abundant sand layers in the Dagu River plain , which are 3 ~ 8 m thick and like a string of beads in the plane distribution .

该剖面主要由白垩纪Fardes组第Ⅱ段和第Ⅲ段（半）远洋沉积构成，并出现浊流沉积和混杂沉积。

This section is composed mainly of Cretaceous ( hemi ) pelagic sediments which appear together with turbidites and olistostromes together forming the Fardes Formation .

通过对汤D3井孢粉化石及岩石地层学的研究，发现该井下部含有特征明显的白垩纪孢粉化石组合，为汤原地区地层层序的建立、地层划分与对比，以及地质时代的确定提供了重要依据。

By analyzing sporopollen fossil and rock stratigraphy of well Tang D3 , this paper discusses the discovery of Cretaceous sporopollen fossil assemblage with evident characteristic , which provides an important basis for establishing sequences and their division and correlation and determining geologic period in Tangyuan area .

白垩纪碎屑岩主量元素地球化学特征具有高SiO2、低Fe2O3、FeO、MgO的特点，说明白垩纪碎屑岩的源岩主要为长英质岩石。

The geochemistry of major elements of Cretaceous detrital rocks shows high content in SiO_ ( 2 ) and low content in Fe_ ( 2 ) O_ ( 3 ), FeO , MgO , which proves that the source rocks of Cretaceous detrital rocks are mainly composed of felsic .

鉴于白垩纪花岗岩的钕模式年龄（tDM）均集中于古元古代（1.8～2.2Ga），表明花岗岩的源区应限于核杂岩中构成原中地壳下部的古元古代结晶基底岩层。

The source area was proved to be composed of the Paleoproterozoic crystalline basement rocks at the lower part of the original middle crust by the dominantly Paleoproterozoic Nd model ages of the granite and from the comparison with the crustal structure-constitution in East Qinling .

白垩纪基性岩脉（81～135Ma）形成于板内拉张环境，与粤北、福建沿海地区的白垩纪基性岩脉共同指示了中国东南部白垩纪时期处于拉张的构造环境。

In addition , the mafic dykes of Hainan island were formed in an intraplate extensional environment , similar to the mafic dykes in North Guangdong and Fujian coastal areas , all suggesting an extension regime tectonic in southeastern China during Cretaceous .

后者主要分布在辽宁及山东等地，成矿比成岩要晚20～120Ma以上，成岩时代主要为侏罗纪，成矿时代为白垩纪。

The latter mainly appears in Liaoning and Shandong Provinces with older age of magmatic body ( mainly during Jurassic period ) and with younger time ( minly during Cretaceous period ) of mineralization . The time differences are larger than 20 ~ 120 Ma .

我国东部白垩纪蚀变火山岩中的斜发沸石和丝光沸石

Clinoptilolite and mordenite in Cretaceous altered pyroclastic rock in eastern China

喀什凹陷白垩纪碎屑岩中流体包裹体研究

Study on fluid inclusion of Cretaceous clastic rocks in Kashi Depression

前肢较短的蜥臀目食肉恐龙；生活于侏罗纪和白垩纪之间。

Carnivorous saurischian dinosaurs with short forelimbs ; Jurassic and Cretaceous .

华北陆台侏罗－白垩纪岩石地层基本特征

Basic Development Characteristics of Jurassic Cretaceous Lithostratigraphy in North China Platform

中国东南部白垩纪火山岩系的划分与对比

The division and correlation of Cretaceous volcanic series in Southeast China

浙江丽水Ⅰ盆地白垩纪古地磁学研究

Paleomagnetic study of Cretaceous basin ⅰ at lishui , Zhejiang Province

揭秘20世纪最惊人古生物发现重返白垩纪

Back to Cretaceous , Most Astonishing Paleontology Discovery in 20th Century

开鲁盆地广1井白垩纪藻类组合

Combination of Cretaceous alga in well g-1 of Kailu Basin

晚侏罗世至白垩纪初步断陷阶段；

The late Jurassic - cretaceous fault depression phase in the outset ;

蒙甘青地区白垩纪原型盆地分布特征及盆山格局

Distribution of Cretaceous Proto-basin and Basin-mountain Frame Work in Iner Mongolia-Gansu-Qinghai Area

地球磁极倒转与白垩纪超静磁带的非线性分析

Nonlinear analysis of geomagnetic polarity reversal and Cretaceous normal superchron

酒泉盆地白垩纪-新生代区域构造演化与油气勘探

Cretaceous - Cenozoic regional tectonic evolution in Jiuquan basin and petroleum exploration

白垩纪晚期的鸭嘴龙的一属。很多恐龙是素食类的。

Genus of duck-billed dinosaurs of late Cretaceous . Many were vegetarians .

辽西地区白垩纪火山岩层序探讨

A discussion on the volcanic rock sequence of Cretaceous in western Liaoning