白垩

Porous analcite balls are prepared by analcite rocks andand then are used to removing fluorine.

通过微观分析方法,在鄂尔多斯盆地白垩系钻孔岩样中首次发现方沸石类矿物.

Characteristics and tectonic setting of Late Cretaceous volcanic magmatism in the coastal Southeast China. ISOTOPIC AGES OF THE UPPER JURASSIC-CRETACEOUS VOLCANIC ROCKS FROM THE HULUN BUIR LEAGUE AND THE JU UD LEAGUE, INNER MONGOLIA

东南沿海晚白垩世火山岩浆活动特征及其构造背景呼伦贝尔盟和昭乌达盟晚侏罗世-白垩纪火山岩同位素年龄

Chagan Depression is a rift subsidence basin, which has developed cretaceous hydrocarbon.

查干凹陷为一白垩纪断陷湖盆, 发育白垩纪含油气系统.

The chalky soil around Saumur produces the famous Anjou wines.

索米尔周围的白垩质土壤出产著名的安茹葡萄酒。

An aquifer is a water-bearing rock stratum such as sandstone and chalk.

地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.

On the basis of tectonic evolution in Junggar coal basin and taking coal mineral as "the fossil" and by way of studying the basin formation and tectonic evolution in every stage.

近年来鸡西含煤盆地早白垩世海相沟鞭藻及早期被子植物化石的不断发现，为确认城子河组及其下伏滴道组、上覆穆棱组的时代属早白垩世提供了重要的依据。

Here at the base of the chalk formation he neared the brood that oozed from it.

就在那个白垩质山岗的山根下面,他走近了那条由山根下涌出来的小河流.

At this point, the chald cliffs shelve down to the beach.

在这里, 白垩质的峭壁渐渐向海滩倾斜.

Yingcheng group's volcanic rocks in Shengping field areof rhyolites, andesites, basalts, felsites and volcanic fragmental rocks.

升平气田白垩系营城组火山岩主要为流纹岩 、 安山岩 、 玄武岩 、 霏细岩及火山碎屑岩.

Soil in the Champagne region is either chalky or a clay-chalk mixture.

香槟区的土壤为白垩土或陶土和白垩土混合两种.

Incorporating organic material into chalky soils will reduce the alkalinity.

在白垩质土壤中添加有机物可降低其碱性。

They expected to find evidence of well-known Late Cretaceous vegetation such as conifers and cycads.

他们原本期望发现晚白垩世时期著名植物如针叶树和苏铁存在的证据.

Through the low stress subduction of oceanic plate crustal extension has dominated in Southeastern China.

晚白垩世以来大洋板块属于低应力型俯冲,拉张是东南部主构造.

Xihu depression is a cretaceous-tertiary basin undergoing multi-episodic tectonism.

西湖凹陷是经历多期构造作用的白垩 - 第三纪盆地.

According to different dimensions, the cretaceous groundwater basin can be divided into many groundwater flow systems.

摘要以不同的研究尺度, 白垩系地下水盆地可以划分为若干地下水流系统.

NEW EARLY CRETACEOUS LALACID FROM JINGXI BASIN OF BEIJING, CHINA ( HOMOPTERA: FULGOROIDEA )

北京京西盆地早白垩世同翅目化石一新属 ( 同翅目: 蜡蝉总科)(英文 )

Analcite mineral was found rock specimen of cretaceous system in the Ordos Basin via using micro-analysis.

通过微观分析,在鄂尔多斯盆地白垩系钻孔岩样中发现方沸石类矿物.

Furthermore, the undrained mechanical behavior of the porous chalk has been studied.

进一步, 我们研究了白垩岩在不排水条件下三轴压缩的塑性力学特性.

Such are common in the chalk areas of South of England.

在英国南部白垩地区,这种情况是常见的.

Eurasian thistle growing in sand dunes and dry chalky soils.

在沙丘或干旱白垩土壤中生长的欧亚蓟.

The facies types of the Lower Cretaceous are mainly delta, lake and turbidity.

下白垩统的扎赉诺尔群的沉积相的主要类型为三角洲相, 湖相和浊流相.

Late Yanshan stage was compressive crust deformation which not only formed the wedge-type thrust structure but also caused upper Cretaceous Series unconformable contact with lower Cretaceous Series.

燕山晚期地壳以挤压逆冲变形为主，不仅形成了楔冲式推覆构造，也使上白垩统与下白垩统为角度不整合接触。

The NWW-extending Cretaceous amphibolic diabase dikes are developed in Xiazhuang uranium ore field , Northern Guangdong province.

下庄铀矿田北西西向分布的白垩纪角闪辉绿岩构成区内基性脉岩的主体.

Upper Cretaceous : Including the Sifangtai Formation — Minshui Formation, corresponding to the Cenonian — Maestrichtian.

四方台组—明水组为白垩系上统, 相当于赛诺—梅斯特利克蒂阶(Senonian—Maestrichtian).

The Baikal rift system was formed due to faulting on the late CretaceousEocene.

在晚白垩世—始新世夷平面基础上,由于断裂作用形成了贝加尔裂谷系.

At model is erected. ordos basin developed from Mid-late Triassic to Early Cretaceous, then, underwent reformation.

鄂尔多斯盆地发育于中晚三叠世-早白垩世, 晚白垩世以来为盆地的后期改造时期.

Only in the tropics were numerous late Cretaceous groups extinguished during peaks in their evolution.

只是热带地区才有大批晚白垩纪生物类群正值其演化的极盛时期突然消亡.

the chalk cliffs of southern England

英格兰南部的白垩质峭壁

We here briefly review the recent progress in the study on the global Jurassic-Cretaceous boundary and its implications for the continental J-K boundary in China, particularly in northeastern China.

文中介绍目前国际侏罗系-白垩系界线研究的进展以及我国东北地区下白垩统和相关陆相地层的研究现状。

Shallow burial seems to preserve chalky textured porosity.

浅埋藏似能保留具白垩状结构的孔隙.