1、

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.

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2、

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.

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3、

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.

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4、

Multi-set of fan-delta , distributary channel and delta-front sand bodies of Jurassic and Cretaceous are favorible reservoirs.

其中,侏罗系储集砂体的孔渗条件较差,白垩系砂体的孔渗条件较好.

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5、

ABSTRACT Non-marine dinoflagellate fossil of middle cretaceous is very rare in the world.

中白垩世 非 海相沟鞭藻化石在世界上极为罕见.

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6、

Deinonychus lived 110 to 100 million years ago. That time was called the Cretaceous period.

恐爪龙生活在1亿~1亿1000万年前, 这个时候叫做白垩纪.

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7、

From the Cretaceous, Tarim basin began the new evolutional stage of foreland basin.

白垩初期始, 塔里木盆期陆盆演阶段.

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8、

No creditable macrofossil record of the Fagaceae exists in the Cretaceous equivocal and require further study.

白垩纪尚无壳斗科可靠的大化石记录,微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群.

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9、

The unconformity between the Eocene and the Lower Cretaceous is common in Jiuquan basin.

酒泉盆地普遍发育了始新统与下白垩统之间的不整合.

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10、

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的不会飞翔的水鸟,生活在白垩纪晚期.

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11、

Ankylosaurus lived 70 to 65 million years ago. That time was called the late Cretaceous period.

甲龙生活在6500万年~7000万年前, 这个时候是白垩纪晚期.

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12、

The prehistoric reptile lived in the Cretaceous period, about 125 million years ago.

这只史前爬行动物生活在约一亿两千五百万年前的白垩纪.

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13、

The Cretaceous rhyolite-porphyry is the main parent rock Of the deposit , extending inNE-orientation.

白垩纪流纹斑岩为其主要的成矿母岩,可能为 NE 向展布.

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14、

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.

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15、

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.

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16、

As fossil evidences show, the fossil of taxus were found in the upper Cretaceous period.

根据化石研究表明, 红豆杉科的化石发现于上白垩世.

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17、

The Upper Precambrian to Cretaceous of Central and Southern Arabian Peninsula

阿拉伯半岛中南部上前寒武系至自垩系地层分布及特征

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18、

The Late Jurassic-Early Cretaceous activity produced basaltic and basaltic andesitic lavas ( 146Ma, 137Ma), followed by gabbro intrusion ( 135Ma) and aplite dyke ( 129Ma).

侏罗纪末~早白垩世初的火山活动除有熔岩(146Ma,137Ma)喷出外,还发育有辉长岩侵入体(135Ma)和辉绿岩岩墙(129Ma)等次火山岩。

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19、

By the end of Cretaceous the marginal ocean basin began to close.

晚白垩世末洋盆开始闭合.

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20、

Albertosaurus lived 76 to 74 million years ago. That time was called the late Cretaceous period.

阿尔贝塔龙生活在7400万~7600万年前, 这个时期是白垩纪晚期.

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