- 更多网络例句与片岩相关的网络例句 [注:此内容来源于网络,仅供参考]
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Methods Through the triaxial creep test, the triaxial creep curves and isochorounous stress-strain curves have been obtained, then the creep characteristics of mica-quartzose schist have been obtained by analyzing the triaxial creep curves, and the isochrounous stress-strain characteristics of mica-quartzose schist have been obtained by analyzing the isochorounous stress-strain curves. Finally, an empirical formula of creep curve is obtained by data fitting and the analysis of the relation between time and parameter of fitting formula.
通过三轴蠕变试验首先得到了云母石英片岩的蠕变曲线和应力应变等时曲线,然后对试验曲线进行分析得到云母石英片岩的蠕变特性和云母石英片岩的等时应力应变特性,最后拟合应力应变等时曲线,并分析时间和拟合公式中参数的关系,得出了蠕变经验公式。
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The tectonic rocks along the fault zone are composed of cataclastic rocks and mylonites formed in higher, middle and lower temperature. Respectively, both of structural features and rocks have the features of multiple phase's of deformation. The deformation features of main minerals in the high temperature mylonites show that: the quartz has the form of long single crystal and the fabric feature of point maximum near X axis; the feldspar has the form of recrystallization assemblage, They present a high amphibolite-granulite facies with temperature >600℃ and depth >20km. The deformation features of mylonites formed in middle temperature show that: the quartz has the form of polycrystal banding and the fabric feature of point maximum near Y axis and small circle girdle with Y rotational axis; the feldspar has the form of a coremantle structure, They reflect a high greenschist-lower amphibolite facies with temperature from 400℃ to 600℃ and depth from 15km to 20km.
其中,高温糜棱岩主要矿物变形特征组合为:石英为长矩状或长条状单晶、组构为近X轴的点极密,长石为几乎完全重结晶的集合体,形成温度>600℃,相当于高角闪岩—麻粒岩相,形成深度>20km;中温糜棱岩主要矿物变形特征组合为:石英为多晶条带、组构为近Y轴点极密和以Y轴为旋转轴的小圆环带,长石发育核幔结构,形成温度为400~600℃,相当于高绿片岩—低角闪岩相,形成深度为15~20km;低温糜棱岩主要矿物变形特征组合为:石英发育核幔结构、组构特征为近Z轴点极密,长石以碎裂为主,形成温度<400℃,相当于中低绿片岩相,形成深度为8~12km;碎裂岩则主要代表了地表浅层的变形。
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The eclogite lies in about 20 km east to Gemuri,Gerze county,Tibet.Eclogites occur as lenses and blocks of various sizes within the high-pressure metamorphic belt comprising garnet - muscovite schist and glaucophane - muscovite schist.
榴辉岩出露点位于西藏改则县戈木日东约20km,龙木错—双湖缝合带的中部,岩石呈透镜状、块状产在石榴白云母片岩和蓝片岩构成的高压变质带中,直接同岩为石榴白云母片岩。
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Therefore,the band ratio of ASTER band 4 and band 6 can effectively distinguish blueschist/greenschist and psammitic/pelitic schist.
应用ASTER band4/band6波段比值可以有效的区分开砂质/泥质片岩与蓝片岩/绿片岩。
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The absorption spectrum center wavelength of dolomite is near 232 μm is shorter than 235 μm of limestone,and thus RBD7 and RBD8 can be employed effectively to identify dolomite and limestone,respectively. Felsic rocks show AlOH and Fe3+ absorption characteristics in the VNIRSWIR region,while the maficultramafic rocks show Fe2+ and Fe,MgOH absorption features,hence the use of different valence state of iron and secondary minerals can distinguish them:ASTER band2/band1 represent Fe3+ distribution,ASTER band2/band1 represent the Fe2+ distribution,RBD6 can estimate the AlOH mineral abundance. Psammitic/pelitic schist containing phengite,chlorite,stilpnomelane,as well as the weathered surface covered by clay minerals,exist characteristic absorption spectrum in the 221 μm(band 6),and has a high reflectance in 165 μm(band 4),while the blueschist/greenschist show high reflectance in the 221 μm(band 6),and it exit low reflectance in 165 μm(band 4),and blueschist/greenschist appear low ASTER band4/band6 ratio.
白云岩的CO2-3吸收谱带中心波长位于232〖KG*3〗μm,与灰岩的CO2-3 吸收谱带中心波长位置235 μm相比,具有向短波长方向移动的特点,据此可以利用RBD7、RBD8分别有效的识别白云岩和灰岩;长英质岩石显示AlOH和Fe3+ VNIRSWIR吸收特征,而基性超基性岩石显示Fe2+和Fe、MgOH特征,利用不同的铁价态和次要矿物可以区分它们:ASTER band2/band1代表了含Fe3+矿物分布信息、ASTER band5/band4代表了含Fe2+矿物分布信息、RBD6可以估计AlOH矿物的丰度;砂质/泥质片岩含较多的多硅白云母、绿泥石、黑硬绿泥石以及风化后表面覆盖的其它粘土矿物,在221 μm(band 6)存在有特征的吸收谱带,并且在165 μm(band 4)具有较高的反射率,而蓝片/绿片岩在221 μm(band 6)反射率较高,不具有明显特征吸收谱带,同时其在165 μm(band 4)反射率较低,因此蓝片/绿片岩ASTER band4/band6 比值低。
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Based on the analysis of chemical composition,mineral composition and the spectral absorption characteristics of different lithostratigraphic units,the Relative Absorption BandDepthand the bandsratio method were adopted to process ASTER VisibleNear Infraredand ShortwaveInfraredmultispectral data from the east Kalpin Uplift,southwest Tian Shan. Limestone,dolomite,sandstone,blueschist/greenschist and psammitic schist/pelitic schist,in the study area were well discriminated.
基于新疆天山西南缘柯坪隆起东部不同地层单元岩石的化学组成和矿物成份以及VNIRSWIR谱域光谱吸收特征的分析,我们采用相关吸收波段深度和波段比值方法对研究区的多光谱遥感数据进行图像处理,有效区分和识别了白云岩、石灰岩、砂岩以及阿克苏群的蓝片岩—绿片岩和砂质片岩。
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The peak metamorphic minerals are garnet, omphacite,phengite and rutile with temperature of~500℃,pressure of~2.3Gpa.On the basis of geochemical analysis,the content of SiO2 in the eclogite ranges from 46.68%to 50.24%,Na2O+K2O 3.10~4.21%,and high REE with enriched LREE, LREE/HREE of 2.83~6.06.The REE pattern and trace element spidergram are similar with those of ocean island basalt,according with the blueschist from Longmucuo -Shuanghu suture zone.The protolith of the eclogite and blueschist are OIB,and they aremaybe the result of subduction of Permian OIB in central Qiangtang area.
对棉辉岩的地球化学分析显示,榴辉岩SiO_2含量在46.68—50.24%之间,Na_2O+K_2O含量在3.10—4.21%之间,稀土元素总量较高,轻稀土富集,重稀土相对亏损,LREE/HREE比值在2.83—6.06之间,稀土元素球粒陨石标准化曲线呈向右倾斜的样式,微量元素原始地幔标准化蛛网图OIB类似,这些特征和龙木错—双湖高压变质带的蓝片岩类似,它们的原岩为均为洋岛型玄武岩,形成环境类似于现在太平洋中的夏威夷,榴辉岩、蓝片岩很可能是羌塘中部地区出露的二叠纪洋岛型岩石俯冲消减的产物。
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Its stability may extend into eclogitefacies and highpressure granulitefacies in calcic rocks. Because of its high U in its structure and high closure temperature (upper limit of amphibolitefaces), titanite is an ideal UPb dating mineral.
它在岩浆岩中主要存在于高Ca/Al比值的岩石中,在变质岩中常见于绿片岩相、蓝片岩相和角闪岩相岩石,在钙质变质岩中其稳定范围可达榴辉岩相或高压麻粒岩相。
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For Southwestern Margin of Aqikekule Lake ophiolite, their field geological, petrological, minerological, petrochemical and geochemical characteristics show that:① it outcropped as tectonic slices along the near west-to-east strike Kunzhong fault and is composed of metamorphic perodotties, cumulates and volcanic rocks, in which, chromites are distributed in the upper part of metamorphic peridotites as pods, or in the lower part of cumulates as near-strata;② metamorphic peridotites include serpentinites, chromite-bearing serpentinites, chlorite-epidote schists and chromitites, of which, chromitites have nodular and orbicular structure, and cumulates include pyroxenits, serpentinites, chromite-bearing serpentinites, chromites and metamorphically mafic rocks and only basalts are seen in volcanic rocks;③ Cr# of chromites suggest that they formed in the SSZ and Al〓O〓 and TiO〓 of metamorphic peridotites also suggest SSZ environment;④ metamorphic peridotites have V type and enriched LREE patterns, cumulates have from strongly depleted LREE, flat REE to enriched LREE patterns with universally striking positive Eu anomalies and basalts show flat REE or slight enriched LREE patterns with no Eu anomalies;⑤ trace element and Sm-Nd isotope characteristics of metamorphic peridotites imply their strikingly heterogeneous mantle character ε〓(t+4.39~+26.20 and later Nb, Ta fertilization;⑥ trace element characteristics of basalts and their tectonic diagrams show they probably formed in the rifted island arc or back-arc basin environment.
对阿其克库勒湖西南缘蛇绿岩,野外地质、岩石学、矿物学、岩石化学以及地球化学等特征表明:①该蛇绿岩以近东西向、沿昆中断裂呈构造岩片出露,由变质橄榄岩、堆晶岩和火山岩三个单元组成,其中见铬铁岩呈豆荚状产于变质橄榄岩的上部,或呈似层状产于堆晶岩的下部;②变质橄榄岩包括蛇纹岩、含铬铁矿蛇纹岩、绿帘绿泥片岩和铬铁岩等类型,其中,豆荚状铬铁矿具有结核状构造和球状构造,堆晶岩包括辉石岩、蛇纹岩、含铬铁矿蛇纹岩、铬铁岩和变质基性岩等类型,火山岩仅见玄武岩;③铬铁矿的Cr#表明其形成在俯冲带,变质橄榄岩的Al〓O〓和TiO〓成分也指示了SSZ环境;④变质橄榄岩的稀土配分型式见V型和LREE富集型两种型式,堆晶岩表现出从LREE强烈亏损、REE平坦分布到LREE富集的配分特征,并且普遍具有醒目的正Eu异常,玄武岩的稀土配分型式表现为平坦型或LREE略富集,无Eu异常;⑤变质橄榄岩的微量元素及Sm-Nd同位素特征指示了其地幔的显著不均一性ε〓(t为+4.39~+26.20以及Nb、Ta在后期的富集;⑥玄武岩的微量元素特征及构造图解表明其可能形成在裂谷岛弧或不成熟的弧后盆地环境。
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The study of nature of the protoliths of metamorphic rocks in the Xingzi Group and their tectonic setting shows that the protoliths of mica schist, quartz schist and granulitite in metamorphic rocks of the Xingzi Group are sedimentary rocks.
提要:对星子群变质岩的原岩性质及其形成的构造环境研究表明,星子群变质岩中的片岩和变粒岩的原岩是沉积岩,其中云母片岩的原岩为粘土岩,石英片岩和变粒岩的原岩是杂砂岩或亚杂砂岩。
- 更多网络解释与片岩相关的网络解释 [注:此内容来源于网络,仅供参考]
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mica schist:云母片岩,云母片岩
mica ring 云母环 | mica schist 云母片岩,云母片岩 | mica schist porphyry 云母片麻斑岩
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schist:<地>片岩
scheme of wiring 线路图,配线图 | schist 片岩 | chlorite schist 绿泥片岩
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sericite schist:绢云片岩 绢云片岩
sericite 绢云母 绢云母 | sericite-schist 绢云片岩 绢云片岩 | sericiteinpowder 绢云母粉 绢云母粉
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micacite:云母片岩,云母片岩
micaceousstructure 云母构造 | micacite 云母片岩 云母片岩 | micaclip 云母绝缘夹
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schistoid:似片岩状
schistoclastic structure 片岩状碎裂构造 | schistoid 似片岩状 | schistose clay 片状粘土
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schistoid:似片岩的,片岩状的
"铁锰钙钠辉石","Schefferite; iron" | "似片岩的,片岩状的","schistoid" | "片状的","schistose"
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schistose:片岩的/片岩质的/片岩状的
schistoid /似片岩的/ | schistose /片岩的/片岩质的/片岩状的/ | schistosity /片理/
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schistous:片岩的/片岩质的/片岩状的
schistostoma /口裂畸形/ | schistous /片岩的/片岩质的/片岩状的/ | schizadrin /五味子素/
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schistous:片岩的; 片岩状的; 片岩质的 (形)
schistosomiasis 血吸虫病 (名) | schistous 片岩的; 片岩状的; 片岩质的 (形) | schizo 精神分裂症患者 (名)
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mica schist:云母片岩,云母片岩
mica ring ==> 云母环 | mica schist ==> 云母片岩,云母片岩 | mica schist porphyry ==> 云母片麻斑岩