变质带
- 网络metamorphic zone;aureole
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烟煤接触变质带的煤岩学研究
Study of contact metamorphic zone of bituminous coal by coal petrology
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福建沿海中生代变质带的前进变质作用
Progressive metamorphism of Mesozoic metamorphic zone along coastal Fujian Province
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SEE向大别高压-超高压变质带主要形成于400~500Ma的加里东期,终止于250Ma左右的印支期;
The SEE Dabie high-ultra high pressure metamorphic belt in Caledonian Epoch of 400-500 million year and 250 million years ago in Indosinian Epoch ;
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研究表明,该韧性变形变质带在平面和剖面上均呈舒缓波状,发育糜棱叶理、矿物线理和S-C组构。
It is shown through the present study that the belts have wavy mylonitic foliation , mineral lineation and S-C fabric .
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苏鲁超高压变质带南部浅变质岩的全岩Rb-Sr同位素年龄
Whole Rock Sb-Sr Isotopic Age of Epimetamorphic Rocks in South Sulu UHP Metamorphic Belt
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苏鲁高压&超高压变质带深俯冲阶段陆表面、Moho和构造应力场的时空变化
Temporal-Spatial Changes of the Land Surface , Moho and Tectonic Stress Field during Subduction of the Sulu HP-UHP Metamorphic Belt
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大别山超高压变质带p-T-t轨迹数值模拟
P T T path numerical modeling of UHP metamorphic belt in Dabie orogen
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并认为SiO2非晶相的形成及其变化特征可能是大别山高压超高压变质带南缘蓝片岩的一次俯冲和快速折返过程的超显微证据。
The appearance and the transforming feature of amorphous SiO2 is probably a super-microscopic evidence of subduction-obduction of blueschist rocks occurring in southern edge of high-pressure and ultrahigh-pressure metamorphic belts in Dabie mountains .
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苏鲁超高压变质带南部的东海地区有富Fe-Ti的钛铁矿榴辉岩和富Ti的金红石榴辉岩。
Ti-rich eclogites in the southern Sulu ultrahigh-pressure ( UHP ) metamorphic belt may be divided into two types : Fe-and Ti-rich ilmenite eclogite and Ti-rich rutile eclogite .
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据碳同位素地质测温估算,该岩浆体的热变质带顶部距地面约5km。
Based on the carbon isotope geothermometer , the top of magmatic reservoir is 5 km from the land surface in crust .
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局部破碎变质带内花岗岩类中Cu、Pb、Zn成矿元素含量的相关性说明多金属成矿元素来自同一围岩,总体显示成矿不但严格受构造控制,而且成矿后期改造对它的叠加作用也十分显著。
The relevance among Cu , Pb and Zn in the granites in local fractured metamorphic belts shows that polymetallic ore-forming elements come from the same wall rock . Mineralization is not only severely controlled by structures but also obviously affected by later superimposition and reformation .
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在超高压变质带的研究中最受关注的问题是大陆壳如何被俯冲到地幔的深度义返回地表的。(2)P2,中特提斯(古南海)开始出现、古特提斯开始消减阶段;
An important Problem was how continent crust subduct and exhumate . ( 2 ) P_2 , the stage in which Meso-Tethys ( Paleo-South China Sea ) began to open and the Paleo-Tethys to subduct ;
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依据低压高温变质带的空间分布,推测本区印支末期存在一NE向的热轴,同时也是S型花岗岩体的出露区。
According to the spatial distribution of the high temperature metamorphic belt it is interpreted that in late Indosinian time a thermal axis paralleled the southwestern margin of the Yangtze craton and was also a locus for emplacement of Mesozoic S-type granitic intrusions .
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利用LA-ICPMS锆石U-Pb法对采自该岩体北侧接触变质带的榴闪岩进行锆石定年,获得206Pb/238U变质年龄为518±19Ma。
Zircons from garnet amphibolites are dated by LA-ICPMS , and yielded a zircon U-Pb metamorphic age of 518 ± 19 Ma . Garnet amphibolites in this study occur in a contact-metamorphic zone .
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这些年龄值与苏鲁超高压变质带内已有的多硅白云母~(40)Ar/~(39)Ar年龄基本一致,表明郯庐断裂带形成于华北与华南板块的碰撞造山期。
These ages are basically consistent with phengite ~ ( 40 ) Ar / ~ ( 39 ) Ar ages obtained from inner parts of the Sulu orogenic belt , indicating that the Tan-Lu fault zone was developed during the period of collision between the North and South China plates .
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CCSD工程旨在揭示位于北中国与南中国板块之间巨型超高压变质带的结构构造与物质组成。
The Chinese Continental Scientific Drilling ( CCSD ) project is designed to unravel the structure and composition of the root zone of a large-scale , ultra-high pressure metamorphic belt ( UHPM ) between the North and South China blocks .
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闽台两省变质带的初步认识
Preliminary Knowledge of the Metamorphic Belts in Fujian and Taiwan Provinces
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大别超高压变质带流体包裹体的组合关系与演变
Fluid inclusion associations and their development in the Dabie UHP zone
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这显然与传统的递增变质带理论相悖。
This is evidently inconsistent with the traditional theory of metamorphic belts .
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秦岭造山带内高压榴辉岩变质带与元古宙碰撞作用
High pressure eclogite metamorphic zones and Proterozoic collision in the Qinling orogen
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最后讨论了本区高压变质带的成因演化。
At last , evolution of high pressure metamorphic belt is discussed .
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蓝片岩及其有关高压变质带研究的新进展
Progress in the study of blueschists and related high pressure metamorphic belts
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点苍山变质带同位素年代学研究新进展
The new development of isotopic geochronology of the DIANCANG MTS metamorphic zone
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热液环流&侵入岩-外变质带储层发育的重要影响因素
Hydrothermal circular flow & significant influence on reservoirs in intrusion rock-exomorphic zone
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大别山超高压变质带的大地构造框架
Tectonic Framework of the Ultrahigh Pressure Metamorphic Zone from the Dabie Mountains
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苏北高压-超高压变质带中成矿作用桐柏-大别山高压超高压变质带
High-Pressure and Very High-Pressure Metamorphic Belt of Tongbai-Dabie Area , Central China
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华中超高压变质带中榴辉岩的稀土元素地球化学
REE geochemistry of eclogites from the ultra-high pressure metamorphic belt in Central China
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抚顺煤田接触热变质带及其煤变质因素分析
Contact Thermal Metamorphic Zones in Fushun Coalfield and Factors for Its Coal Metamorphism
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莲花山断裂带是一条多期变形变质带。
The fault dynamo-thermal metamorphic belts are limited within the Lianhua-shan fault zone .
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哀牢山韧性剪切变质带类型划分及岩石分类命名
Classification and nomenclature of ductile shear metamorphic belt and rocks of Ailao Mountains