元古代

在晚元古代以前该地区至少发生过两次热动力变质作用。

Before Later Proterozoic era , in this area more than two times of thermodynamic metamorphism took place .

白银地区晚元古代以来形成的大地构造环境奠定了金矿床产出的大地构造背景。

The geotectonic setting formed in late Proterozoic Era in Baiyin area established . The gold deposits geotectonic background .

华南火成岩中捕获锆石的早元古代－太古宙U－Pb年龄信息

The U-Pb ages of early proterozoic-archean zircons captured by igneous rocks in southern China

新的SHRIMP定年结果表明，原先划归于古元古代的丹东花岗杂岩现在被确定为中生代岩体。

New SHRIMP dating reveals that the previously-known Paleoproterozoic Dandong granitic complex is Mesozoic .

结合Nd同位素特征以及区域背景得出本区早元古代变质火山岩形成于裂陷槽环境。

Their Nd isotopic characteristics and regional geological background also imply that the Early Proterozoic volcanic rocks formed in depression trough .

桑干地区早元古代花岗岩长石Pb同位素组成和锆石U-Pb年龄：变质与地壳熔融作用及构造-热事件演化

Pb isotopic composition of feldspar and U Pb age of zircon from early Proterozoic granite in

太行山南段早元古代基性脉岩的~（40）Ar-~（39）Ar年代学及其构造意义

~ ( 40 ) ar - ~ ( 39 ) ar geochronology of Paleoproterozoic mafic dykes from southern Taihang Mountains and its geological significance

华北晚太古代－早元古代高级变质区的变质PTt轨迹及其地壳热动力学演化模式

PTt Path and Crustal Thermodynamic Model of Late Archaean Early Proterozoic High grade Metamorphic Terrain in North China

华北地区自早元古代结晶基底形成以后的沉积盖层发育演化可划分为五个阶段：拗拉槽克拉通边缘（Pt2Pt3）；

In northern China , evolution of the sedimentary sequences since formation of the early Proterozoic crystal basement can be divided into five stages , i.

川西龙门山地区元古代VMS铜矿床：硫化物微量元素和硫同位素证据

The Proterozoic VMS Copper Deposit in Longmen Mountain Area of Chuanxi : Evidence from Sulphide Trace Element and Sulfur Isotope

苏鲁地体古元古代花岗质片麻岩锆石的U-Pb定年、REE和Lu-Hf同位素特征

Zircon U-Pb dating , REE and Lu-Hf isotopic characteristics of Paleoproterozoic orthogneiss in Sulu UHP ter-rane , eastern China

另外，碎屑锆石的Hf同位素研究结果表明华夏地块和扬子地块西北部在古-中古元古代时期存在存在显著的新生地壳物质，这一特征完全不同于西澳大利亚。

Besides , detrital zircons in Cathaysia and NW Yangtze indicate significant juvenile input during Paleo-to Mesoproterozoic according to the zircon Hf isotopes , which are distinctly different from Western Australia .

如，澳大利亚西北部Kimberley盆地中未变质的古元古代砂岩中自生磷钇矿的SHRIMP定年将成岩作用限定在7Ma的误差范围之内。

The SHRIMP dating on the authigenic xenotimes in Paleo Proterozoic un metamorphosed sandstone in Kimberley Basin of Northwestern Australia limits the depositional age within an error of 7 Ma .

本文根据作者在山西、河北一带获得的三组元古代年龄数据，即基性岩墙群1.885Ga的Rb-Sr等时线年龄；

In this work three successive extensional events are identified according to three groups of representative Proterozoic ages obtained in rock samples from Shanxi and Hebei provinces by the authors .

综述了Molar-Tooth的时空分布及其形态特征，Molar-Tooth为元古代时期全球性的一种构造现象。

This paper describes the time-space distribution and modality character of molar-tooth structures . Molar-tooth structures are a global phenomenon that are restricted to the Proterozoic .

我国南方末元古代间冰期的锰矿层（大塘坡期）出现了普遍超过+40‰的异常高δ34S值的沉积黄铁矿，这是全球性的雪球事件的响应。

The ultra-high δ 34S values of sedimentary pyrite , exceeded + 40 ‰, occurring in interglacial manganese mineralization beds ( Datangpo Stage ) of terminal Proterozoic in southern China are response to global snowball Earth .

东昆仑式是元古代造山带TTG陆壳背景基础上古生代&早中生代对流地幔物质和热输入，改造元古宙造山带基底的方式；

The East Kunlun mode is that the basement of the Proterozoic orogenic belt was reworked by the heat input and materials of the Paleozoic-early Mesozoic convective mantle formed on the background of TTG continental crust of the Proterozoic orogenic belt ;

广丰地区晚元古代早期（1000～800Ma）的地层剖面底、顶界面清晰。地层、岩石建造特征明显。

The top and bottom interface of the strata section of earlier late Proterozoic Era ( 1000 ~ 800Ma ) in Guangfeng area is very clear .

湖北大洪山地区中、晚元古代（1350～650Ma）35个岩石样品经热退磁、SCT超导磁力仪测量，获得若干古地磁结果。

There were 35 samples of Middle & Late Proterozoic ( 1350 ~ 650Ma ) rocks from Da-hongshan area , Hubei demagnetized with thermal treatment and measured with supercon-ducting quantum interference divice ( SQUID ) and some paleomagnetism results were ob-tained .

以柯石英榴辉岩为代表的超高压变质岩可能是具有元古代基底苏鲁微大陆块前缘俯冲到70～100km或更深的地方，遭受超高压变质作用形成的。

The ultrahigh-pressure metamorphic rocks , represented by coesite-bearing eclogite , may have been formed as the former edge of the Su-Lu micro-continent with Proterozoic basement had subducted to 70 ~ 100km or more deep and suffered ultrahigh-pressure metamorphism .

古元古代孔兹岩带和华北中部碰撞带基底岩石变质作用均具有等温减压型顺时针p-T演化特征，反映两造山带都经历地壳加厚和随后的隆升剥蚀构造过程。

Metamorphism of the basement rocks in the Paleoproterozoic Khondalite Belt and the Trans-North China Orogen is both characterized by clockwise p-T paths involving isothermal decompression following peak metamorphism , which suggests that the two orogens underwent initial crustal thickening followed by rapid exhumation / uplift tectonic processes .

东海陆架东部凹陷带渐新统砂岩锆石的U-P年龄表明陆架东部渐新世物源以元古代变质岩为主，其次为中生代母岩及少量太古代变质岩与古生代母岩。

The U-P dating data of zircons from Oligocene sandstones in the east of East China Sea shelf indicate that most zircon grains are Proterozoic , and then are Mesozoic , including sporadic Archean and Paleozoic ones .

晚元古代末的陡山沱期（550～600Ma）是地球历史生物、化学和气候变化的剧烈时期。

The Doushantuo period , ranging from 550 Ma to 600 Ma , represents a period in which drastic biological , biochemical and climatic changes took place in terminal Proterozoic in South China .

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 .

该韧性剪切系统发生于晚太古代至早元古代的五台运动期间，经历过两期次韧性剪切作用，早期的差异应力约为12MPa，晚期的差异应力约为30MPa。

This giant ductile shear system was formed during Wutai Movement from late Archean to Early Proterozoic and experienced two periods of ductile shearing . The differential stress in early period of shearing is about 12 MPa and the late is about 30 MPa .

华南晚元古代&三叠纪构造事件与应力场

Tectonic event and stress field of late PROTEROZOIC-TRIASSIC in South China

赣东北地区中晚元古代的岩浆作用与构造环境

Middle-Late Proterozoic magmatism and its tectonic settings in northeastern Jiangxi Province

铀矿物主要为沥青铀矿，形成于早元古代。

Uranium mineral is pitchblende which was formed in Lower Proterozoic .

浙西北晚元古代岛弧火山岩的地球化学研究

Geochemistry of Proterozoic Island - arc volcanic rocks in Northwest Zhejiang

胶辽地块古元古代大地构造问题：历史观与活动论

Palaeoproterozoic geotectonic problems of the jiao-liao massif : evolutionism and mobilism