1) Early Cretaceous
早白垩纪
1.
Early Cretaceous granitoids in the North Dabie and their tectonic implications:Sr-Nd and zircon Hf isotopic evidences.;
北大别早白垩纪花岗岩类的Sm-Nd和锆石Hf同位素及其构造意义
2.
Early Cretaceous volcanic rocks in the Dongying depression, distributed along the Qingcheng fault, are a suite of alkaline\|calc\|alkaline, Na\|rich continental basalt\| basaltic andesite series.
东营凹陷早白垩纪火山岩 ,沿青城断裂分布 ,是一套弱碱性—钙碱性、富钠的大陆玄武岩、玄武安山岩。
2) Jurassic Period and Early Cretaceous
侏罗纪-早白垩世
3) Late Cretaceous to Early Paleogene
晚白垩世-早第三纪
4) Aptian
阿普第(早期白垩纪)
5) Oregonian
[英][,ɔri'gəuniən] [美][,ɔrə'gonɪən]
奧利崗运动(早白垩纪末)
6) Cretaceous period
白垩纪
1.
According to the regional geology investigation, we found there are many magmatic activities in Cretaceous period; they are the Yanshan movement’s product, belonging to rift valley environment.
通过对其岩石特征、岩石化学、地球化学及侵入最新地层的研究和同位素测年结果,笔者认为该期侵入体形成于白垩纪,为燕山运动的产物。
2.
This paper deals with the present situation,prospect and significance of the research for continental Cre-taceous red beds to reconstruction of paleoclimate in the Cretaceous period.
介绍了白垩纪陆相红层研究的现状及前景,特别是其在白垩纪陆相古气候恢复方面所具有的重要意义。
3.
1%,and its average value during the Cretaceous period is about 0.
对藏南发育完整的、厚度巨大的海相白垩纪地层中的暗色泥、页岩开展了有机质丰度研究。
补充资料：白垩,磨细白垩粉,白垩粉
CAS：1317-65-3
中文名称：石灰石；电石灰岩；石灰石粉；霰石,文石；方解石,碳酸钙晶体；碳酸钙,白垩；白云石,白云岩,石灰岩；石灰石,石灰石；大理石,大理岩,云石,玻璃球；波特兰石；白垩,磨细白垩粉,白垩粉
英文名称：Limestone；Agstone；agricultural limestone；aragonite；atomite；bell mine pulverized limestone；calcite；calcium carbonate；carbonic acid, calcium salt；chalk；dolomite；domolite；franklin；lithograpic stone；marble；natural calcium carbonate；portland stone；sohnhofen stone；whiting；limestone,powder；flux lime
中文名称：石灰石；电石灰岩；石灰石粉；霰石,文石；方解石,碳酸钙晶体；碳酸钙,白垩；白云石,白云岩,石灰岩；石灰石,石灰石；大理石,大理岩,云石,玻璃球；波特兰石；白垩,磨细白垩粉,白垩粉
英文名称：Limestone；Agstone；agricultural limestone；aragonite；atomite；bell mine pulverized limestone；calcite；calcium carbonate；carbonic acid, calcium salt；chalk；dolomite；domolite；franklin；lithograpic stone；marble；natural calcium carbonate；portland stone；sohnhofen stone；whiting；limestone,powder；flux lime
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参考词条