片麻岩
- 名gneiss
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C岩组主要是一套大理岩,偶有片麻岩。
The lithology of C petrofabric is marble , accidental gneiss .
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饱水后的片麻岩样品的P波各向异性明显低于干燥片麻岩样品。
P-wave velocity anisotropies of water-saturated gneiss are lower than those of dry gneiss .
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黑云母片麻岩H2O系统在0.10.2GPa压力下的熔融实验
Melting Experiment of Biotite Gneiss-H_2O System at 0.1-0.2 GPa Pressures
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回归计算表明,榴辉岩热导率和P波速度之间的相关性较大,相关系数在0.7左右,片麻岩显示的相关系数比较小,在0.4~0.5之间。
The regression analysis of thermal conductivity vs. ultrasonic velocity yields a correlation coefficient of about 0.7 for eclogite and 0.5-0.4 for gneiss .
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因此,不含榴辉岩的花岗片麻岩多硅白云母基本不含过剩Ar。
Therefore , phengite from granitic gneiss without eclogite basically contains no excess Ar.
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富铝片麻岩和榴线英岩的微量元素分配形式与澳大利亚后太古代页岩(PAAS)接近。
Trace element spide-grams of aluminum-rich gneisses and garnet-sillimanite-quartzites are close to PAAS .
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北大别片麻岩中锆石U-Pb年龄离子探针初步测定
Preliminary U-Pb ion probe age determination of zircons from gneisses , Northern Dabie Terrain
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大别山东部花岗片麻岩的锆石U-Pb年龄
U / pb zircon dating of granitic gneisses in eastern Dabie mountains , central China
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根据试验结果分析得到矿渣、玄武岩、石灰岩、花岗岩及片麻岩矿料与沥青稀释液在25°C~145°C范围内反应的单位表面活化能及指数常数。
Through calculating analysis , the unit apparent activation energy and the pre-exponential constant in the temperature range of 25 ° C ~ 145 ° C of heavy slag , basalt , limestone granite , gneiss were obtained .
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苏鲁地体超高压和退变质时代的厘定:来自片麻岩锆石微区SHRIMPU-Pb定年的证据
Determination of UHP and Retrograde Metamorphic Ages of the Sulu Terrane : Evidence from SHRIMP U-Pb Dating on Zircons of Gneissic Rocks
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苏北花岗片麻岩地区USLE模型的试验研究
Experimental Study on USLE Model in Granite Gneiss Region of Northern Jiangsu Province
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结果表明,这两种片麻岩在氧同位素组成上存在显著差别:黑云母片麻岩与共生的榴辉岩δ18O值呈同步变化,全岩δ18O值从-4.7‰变化至+10.3‰;
The results show significant differences in oxygen isotope composition between biotite gneiss and granitic gneiss .
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威海地区超高压变质花岗片麻岩锆石U-Pb定年和氧同位素研究
A Study of Zircon U-Pb Dating and Oxygen Isotopes in UHP Granitic Gneiss from the Weihai Region in Northeast Sulu
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天山东段1.4Ga花岗闪长质片麻岩SHRIMP锆石U-Pb年龄及其地质意义
1.4 Ga SHRIMP U-Pb age for zircons of granodiorite and its geological significance from the eastern segment of the Tianshan Mountains , Xinjiang , China
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花岗质片麻岩包括早期富钠的TTG质花岗岩和稍后的富钾花岗岩。
The granitic gneissic rock series contained the early rich-agpaitic TTG-granites and the later rich-potash granites .
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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
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NW向大沽河&朝连岛南断裂分为三段,北段呈门路状向湾内下降,为白垩系与胶南群片麻岩的分界断裂;
The NW-trending Dagu river-Chaoliandao fault is divided into three parts , the north part drawdowning turn northeast step-shapedly is the boundary of the gneiss and Cretaceous .
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选择新鲜的保存较好的榴辉岩分别进行U-Ph和Ar-Ar同位素年代学测定,含石榴子石的白云母片麻岩(此榴辉岩的围岩)被选用于白云母的Ar-Ar测定。
A fresh eclogite sample is selected for U-Ph isotopic dating of zircon and Ar-Ar dating of phengite , and a garnet-bearing muscovite gneiss sample ( country rock of eclogite ) for Ar-Ar dating of muscovite .
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CCSD主孔1113~1600m花岗质片麻岩单元的变形构造特征
Deformational characteristics of the granitic gneiss unit from the 1113-1600 m core of the CCSD main hole
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对大别-苏鲁造山带27个高级变质岩(以榴辉岩和片麻岩为主)中锆石进行了337次微区离子探针U,Th和Pb测定和U-Pb年龄研究。
337 zircon U , Th and Pb contents , and Pb isotopic compositions of 27 high-grade metamorphic rocks , mainly eclogites and gneisses from Dabie-Sulu orogen were analyzed by using ion micro-probe technique .
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在胶北隆起南缘新太古代TTG质片麻岩中发育了大量的超铁镁质-铁镁质岩包体,呈NEE向群带状展布。
Lots of mafic-ultramafic enclaves are developed in Neoarchaean TTG gneisses in south of Jiaobei uplift with the trend of NEE .
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经岩石化学研究,组成该岩群的片麻岩具英云闪长岩-奥长花岗岩-花岗闪长岩(TTG岩系)组合特征。
Petrochemical studies show the gneiss has the combined characteristics of tonalite-diorite , trondhjemite and granodiorite ( TTG rock formation ) .
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青河片麻岩的元素地球化学和Nd-Sr同位素组成特征表明其原岩形成于岛弧构造环境。
Geochemical characteristics and Nd-Sr isotopic compositions of gneisses show formation in island arc setting .
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桥用C60片麻岩碎石高强混凝土的力学性能与耐久性研究那船在岩石上撞得粉碎。
Study on mechanical properties and durability of the C60 high strength concrete made from gneiss coarse aggregate in bridge The ship was pounded to pieces against the rocks .
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CCSD主孔100~2950m榴辉岩类和片麻岩类叶理及微断层产状特征
Attitude characteristics of eclogite type and gneiss type foliations and miniature faults in 100 ~ 2 ? 950m core of the CCSD main hole
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苏北东海地区片麻岩的Nd-Sr同位素定年及其地质意义
Nd-Sr Isotopic Age Determination of Gneiss and Its Geological Significance , Donghai Region , North Jiangsu
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在皖东嘉山南黄地区新元古代张八岭岩群之下,隐伏一套角闪岩相的TTG质片麻岩类。
There is a suboutcrop of amphibolite facies TTG gneiss overlain by Neoproterozoic Zhangbaling Group at Nanhuang region in Jiashan , East Anhui .
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中条山前寒武纪涑水杂岩主要由西姚和寨子英云闪长质-奥长花岗质-花岗闪长质(TTG)片麻岩、横岭关和北峪钙碱性花岗质岩石组成。
The Precambrian Sushui Complex in Zhongtiao Mountain is composed principally of Xiyao and Zhaizi TTG gneisses , Henglingguan and Beiyu calc-alkaline granitoids .
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该钻孔0~2000m主要由榴辉岩、片麻岩、石榴石橄榄岩和少量片岩和石英岩组成。
The 0 to 2000 m interval of the CCSD main hole consists of eclogite , gneiss , garnet peridotite and minor schist and quartzite .
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河南中部太古代登封花岗-绿岩地体中TTG质片麻岩与绿岩带关系及其地壳演化意义
Relationships between the tTG gneisses and the greenstone belt in the Archean Dengfeng granite-greenstone terrane , central Henan and their implications for crustal evolution