基本释义:

元古代

网络释义

1)proterozoic,元古代

2)proterozoic era,元古代

3)Paleoproterozoic,古元古代

4)Palaeoproterozoic

[p?li?upr?ter?'z?uik],古元古代

5)Paleo-Mesoproterozoic,古-中元古代

6)Neoproterozoic Era,新元古代

用法和例句

Tectono-climatic implications of the dolomite hosted magnesite mineralisation in the Proterozoic Cudappah basin, South India;

印度南部元古代Cudappah盆地白云岩中的菱镁矿成矿作用及其构造-气候指示意义(英文)

Confirm of Proterozoic Unconformity Event in the Yunkai Area of Guangxi and Its Tectonic Significance;

广西云开地区元古代不整合事件的确定及其构造意义

Pb, Nd isotopic study of Proterozoic metamorphic sediments in North Jiangxi and its tectonic significance;

赣北元古代变质沉积岩的铅钕同位素特征

The Minerogenic Fluids of Magnesite and Talc Deposits in the Paleoproterozoic Mg-rich Carbonate Formations in Eastern Liaoning Province;

辽东古元古代富镁质碳酸盐岩建造菱镁矿滑石矿床成矿流体研究

Paleoproterozoic events in the North China Craton.;

华北克拉通古元古代构造事件

Magma recording of Paleoproterozoic orogeny in central segment of northern margin of North China Craton:Geochemical characteristics and zircon SHRIMP dating of S-type granitoids;

华北克拉通北缘中段古元古代造山作用的岩浆记录:S型花岗岩地球化学特征及锆石SHRIMP年龄

The Palaeoproterozoic Erdaowa Group distributed in the north Hohhot, Nei Mongol is composed of metamorphic detrital sediment and carbonate with intermidiate basic volcanics.

研究表明 ,二道洼群是古元古代早期产物 ,2 4 50～ 2 4 0 0Ma开始接受沉积 ,大约在 2 2 0 0～2 10 0Ma之间开始褶皱回返 ,遭受了低角闪岩相变质作用 ,具有碰撞造山带的变质P T t轨迹。

The rhyolites in the Upper Luliang Group of Shanxi Province of China are Palaeoproterozoic A-type volcanic rocks.

山西吕梁群流纹岩是一个古元古代的弱碱性火山岩。

Palaeoproterozoic formation lacks variety of standard fossils, thus it become difficult to compare the whole world formations or large .

古元古代地层缺乏种类繁多的标准化石,这使大区域性的、全球性的地层对比难以实现。

Sm and Nd isotopic geochemistry of Paleo-Mesoproterozoic meta-basic volcanics from Middle Hainan,China;

琼中古-中元古代变质基性火山岩地球化学特征

Chronology and geological implication of the Paleo-Mesoproterozoic alkaline-rich intrusions belt from the northern part in the North China Craton.;

华北克拉通北部地区古-中元古代富碱侵入岩年代学及意义

The Discovery of Neoproterozoic Era Digging Trace Fossil in Huainan China and Its Geological Significance;

中国淮南新元古代掘迹化石发现及其意义

The Study on Sedimentary Facies of Changlongshan Formation of Neoproterozoic Era in Huailai, Hebei;

河北省怀来新元古代长龙山组沉积相研究

The epoch adscript to the Neoproterozoic Era and that the phosphorite bed located in the Sinian System.

海州—大悟地区变质磷矿含磷岩系(锦屏岩群、宿松岩群、红安岩群)岩层组合,标志岩层,微量、稀土元素特征和沉积环境皆可与鄂西陡山沱期磷矿类比,时代归属为新元古代,其中磷矿层属震旦系。

Algonkian period

阿尔冈纪(元古代)

TYPES AND GENESIS OF PALAEOPROTEROZOIC GRANITES IN THE JIAO-LIAO MASSIF

胶辽地块古元古代花岗岩类型及成因

OLD CONTINENTAL CRUST FEATURE OF PRO-TEROZOIC ERA AND CRUST TYPE OF EARLY PALAEOZOIC ERA IN GANSU-MENGGU BEISHAN AREA AND EASTEN XINJIANG TIANSHAN MTS

甘蒙北山—东疆天山元古代古陆壳特征及其早古生代地壳类型

Paleoproterozoic Deep Processes and Tectono-thermal Evolution in Jiao-Liao Massif

胶辽地块古元古代构造-热演化与深部过程

Characteristics and Their Geological Significance of Paleoproterozoic Granite in Jinchuan, Gansu Province;

甘肃金川古元古代花岗岩的特征及地质意义

Stratigraphic Correlations of the Paleoproterozoic Sequence in the Northern Segment of Lüliang Mountains, ShanXi Province;

山西吕梁山北段古元古代地层对比研究

The Origin of Paleoproterozoic Granites in the Eastern Liaoning and Southern Jinlin Provinces and the Crustal Evolution;

辽吉地区古元古代花岗岩的成因与地壳演化

Paleoproterozoic strata sequence and tectonic setting in southern Jilin Province

吉南地区古元古代地层层序及构造背景

The feature of the zhaochigou group complex in the middle of the Helan Mountains in palaeoproterozoic

贺兰山中段古元古代赵池沟岩群的特征

Late Mesoproterozoic to Paleozoic tectonothermal events in the Eastern Segment of the Central Tianshan Tectonic Zone of Northwestern China:Constraints from SHRIMP zircon geochronology.

中天山东段中元古代晚期—古生代构造-热事件:SHRIMP锆石年代学证据

MINERALIZATION AND EVOLUTION OF THE EARLY PROTEROZOIC COPPER DEPOSITS IN THE ZHONGTIAO MOUNTAINS

中条山早元古代铜矿成矿作用与演化

Proterozoic basaltic magma intrusion event in the Altai ,Xinjiang

新疆阿尔泰元古代基性岩浆侵入事件

Middle Proterozoic Geotectonics in Northeast Sector of the Yangtze Massif

扬子地块东北缘中元古代的大地构造

NEOPROTEROZOIC MILLIMETRIC-CENTIMETRIC CARBONACEOUS FOSSILS FROM NORTHERN ANHUI AND JIANGSU,CHINA

苏皖北部新元古代宏体碳质化石(英文)

the study of the geography of ancient times or ancient epochs.

对上古时代上古纪元地理的研究。

The Influence of Ancient Mongolian Customary Law on the Law of Yuan Dynasty;

论古代蒙古习惯法对元朝法律的影响

Blending of Classical Opera and Modern Music;

古典歌剧元素与现代音乐元素的融合

Ancient Excessive Drinking Custom and Drunkard Zhao Yuan Encountered Emperor s Father, a Poetic Drama in the Yuan Dynasty;

古代酒俗与元杂剧《好酒赵元遇上皇》