变质基底

辽宁早前寒武纪变质基底Au元素的分布与分配特征

The distributing and assigning characters of gold in metamorphic basement of the early Precambrian in Liaoning

否定了羌塘中部隆起区存在中元古界变质基底；

Absence of the Mesoproterozoic metamorphic basement in the central Qiangtang uplifted area ;

对扬子克拉通西缘四川康定冕宁变质基底的新认识来自Nd同位素的证据

New recognition of kangding-mianning metamorphic complexes from sichuan , Western Yangtze Craton : evidence from Nd isotopic composition

南海变质基底基本轮廓及其构造演化

Basic outline and tectonic evolution of the metamorphic basement in the South China Sea

长江中下游地区变质基底及地壳形成时间

Time of formation for metamorphic basement and crust in the middle-lower reaches of Yangtze River

在相山铀矿田的早中元古代变质基底中，出露一套云母片岩。

There is a suit of mica schist among metamorphic basement of Early-Middle Proterozoic era at Xiangshan Uraniun Mineral Field .

初始地壳，尤其是前寒武纪的变质基底是金矿密集区形成的物质基础。

It is thought that the original crust , especially the metamorphose basement of Precambrian is the base of gold-ore formation .

由此可以认为伸展构造亦是控制统一变质基底与沉积盖层的形成机制之一。

Therefore , the extensional movement is also one of the mechanisms for controlling formation of the unifying metamorphic basement and sedimentary cover .

元古界变质基底和上古生界在火山岩中呈“天窗”出露。

The metamorphose fundation of the Proterozoic and the stratum of the Late Palaeozoic exposed as " top window " to the lava .

印度陆块早-中元古代变质基底的再活化在原始喜马拉雅山形成中起重要的作用；

( 2 ) reactivation of the Early-middle Proterozoic metamorphic basement of the India block has played a key role in the formation of the Proto-Himalayan Mountains ;

其金的成矿地质背景复杂，主要可分为变质基底区、地槽区、盖层区、中生代火山断陷盆地、构造－岩浆活动带5种类型。

There are 5 kinds of geological settings : metamorphic basement area , geosyncline area , cover area , Mesozoic volcanic fault basin and tectonic magmatic active belts .

九岭南缘安义珠洛山变质基底地层中也发育有辉绿岩岩墙群，其形成时代及成因未作过研究。

The diabase dike group is developed in metamorphic basement in Zhulou Mountain at the South Edge of Jiuling Mountain , their forming era and their origins have not been researched .

这一角岩化基性脉岩的发现，揭示在古生代相山铀矿田变质基底仍然遭受着断裂活动、岩浆活动和变质作用三者相伴随的较为强烈的地质构造作用。

The discovery of hornfelsed basic rock veins discloses that strong geologic process with the activity of fault , magma and metamorphism were still taken placed in Paleozoic era within the metamorphic basement of the Xiangshan uranium ore field .

因此，晚古生界不是松辽盆地和二连盆地的变质结晶基底，它们是一种叠合盆地关系。

Thus we suggest that the Late Palaeozoic sediments are not the metamorphosed basement in the Mesozoic-Cenozoic basins , they are superimposed basins .

盆地具有双重基底结构&太古至下元古界变形变质结晶基底和中上元古至古生界（浅变质）变形沉积基底；

Secondly , The basin has the double basements of the deformational-metamorphic crystalline basement ( Archean-Paleoproterozoic ) and the deformational-sedimentary basement ( Mesoproterozoic-Paleozoic ) .

太行山山前中&新生代伸展滑脱的主拆离构造出现在早前寒武纪变质结晶基底和中元古代以后的沉积盖层之间。

The Meso-Cenozoic detachment zones in the front of the Taihang Mountains occur between the early Precambrian metamorphic crystalline basement and post-Mesoproterozoic sedimentary cover .

产于太古代及早、中元古代深变质结晶基底中的矿床，由区域变质及混合岩化过程中的变质热液交代碳酸盐岩成矿。

Those in Archean and lower-middle Proterozoic hypometamorphic crystalline basement were formed as a result of the replacement of carbonate rocks by metamorphic hydrothermal fluids generated during regional metamorphism and migmatitization ;

发育于盆地的局部磁力高主要由磁性火成岩、由沉积岩中磁性物质以及前寒武纪变质结晶基底3方面地质因素引起。

Development of the local magnetic high in basin mainly by magnetic igneous rock , the magnetic material and sedimentary rock in Precambrian metamorphic crystalline basement geological factors caused three aspects .

羌塘盆地是发育在前泥盆结晶基底和上古生界浅变质褶皱基底之上以中生界海相沉积为主体的复合型残留盆地。

The Qiangtang Basin , which is developed on the Pre Devonian crystalline basement and the Upper Paleozoic epimetamorphic folded basement , is a composite residual basin dominated by the Mesozoic marine deposit .

此外，获得多组继承/捕虏锆石年龄值（581~2492Ma），为本区存在早前寒武纪变质结晶基底及华南陆壳具多阶段生长演化特征提供了佐证。

Moreover , inherited zircon ages ( 581 ~ 2492 Ma ) in this pluton provide evidence for the exiting of an early Precambrian crystalline basement and multistage evolution of crust in this region .

变质相由基底岩系的低角闪岩相&高绿片岩相逐渐过渡为上覆盖层的低绿片岩相。

The metamorphic facies gradually change from low amphibolite & high green-schist facies of the basement to low green-schist of the cover .

冀东、冀西广泛分布着以深变质绿岩带为主的变质基底，同时也是中生代岩浆活动十分发育的地区。

The Archean metamorphic basement with priority to hypometamorphic greenstone belts is extensively distributed in the East and West Hebei Province , and also Mesozoic magmatic activity is well developed in this area .