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石英云母片岩
相关语句
  quartz-mica schist
     The field geological survey across the granite, shows that there are continuously transitional structural-lithofacie zones: Lengjiaxi Group (adjacent rock) without fault dynamic metamorphism→mica quartz tectonic schist bearing garnet→migmatitic quartz-mica schist→banded and ptygmatic migmatite including small rock masses of lenticular granite→gneissic and massive biotite monzonitic granite (host rock).
     野外地质剖面观测结果表明 ,该岩区存在如下连续过渡的构造岩相分带 :未卷入断裂变形变质的冷家溪群 (围岩 )→含石榴子石云母石英构造片岩→混合岩化石英云母片岩→条带状、肠状混合岩夹透镜状花岗质小块岩→片麻状、块状黑云二长花岗岩 (主体 )。
短句来源
     They were transformed to amphibolite, serpentinite, gneiss, quartz-mica schist, quartzite and marble during the amphibolite-facies retrogression.
     这些岩石的角闪岩相退变质产物分别是斜长角闪岩、蛇纹岩、长英质片麻岩、长石石英云母片岩、石英岩和大理岩。
短句来源
     The quartz-mica schist, quartzite and marble were metamorphosed sedimentary rocks, and, together with paragneiss and mafic rock, constituted the old supracrustal series.
     长石石英云母片岩、石英岩和大理岩的原岩为沉积岩,与副变质的长英质片麻岩和基性火山岩一起构成了古老的表壳岩组合。
短句来源
  “石英云母片岩”译为未确定词的双语例句
     M discontinuity is mainly composed of basic granulite amphibolite at both ends of the profile and quartzmica gneiss intermediate granulite in the middle area of the profile.
     莫霍\过渡层主要由剖面两端的基性麻粒岩-闪岩和剖面中部地区的石英云母片岩-中性麻粒岩所组成。
短句来源
  相似匹配句对
     PETROFABRIC ANALYSIS OF A SMALL VIEN-QUARTZ FOLD IN THE QUARTZ-MICA SCHIST IN WUTAI,SHANSI
     山西五台石英云母片石英小褶皺的組分析
短句来源
     The quartz vein of gold-bearing is an important type in rock-gold.
     石英脉金,是金的一个重要类型.
短句来源
     They were transformed to amphibolite, serpentinite, gneiss, quartz-mica schist, quartzite and marble during the amphibolite-facies retrogression.
     这些石的角闪相退变质产物分别是斜长角闪、蛇纹、长英质片麻、长石石英云母片石英和大理
短句来源
     The rock mass consists of fresh sericite quartz phyllite or fresh leptynite.
     体为新鲜绢云母石英千枚或新鲜变粒
短句来源
     M discontinuity is mainly composed of basic granulite amphibolite at both ends of the profile and quartzmica gneiss intermediate granulite in the middle area of the profile.
     莫霍\过渡层主要由剖面两端的基性麻粒-闪和剖面中部地区的石英云母片-中性麻粒所组成。
短句来源
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  quartz-mica schist
By contrast, the Yuli belt consists mainly of quartz-mica schist and ophiolitic rocks.
      


The Xiyuantou rare metal granite pegmatite of Fujian province is a raremetal deposit dominated by Ta and containing various sorts of associated ele-ments. The pegmatite were found into mica-plagioclase granulite and quartzmicaschist of Sinian metamorphic series. Micas from different assemblage zones of pegmatitic veins all belong to 2M_1type Rb-bearing muscovite, which has quite stable chemical composition at thepositions of tetrahedra and octahedra, varying within the compositional rangeof normal muscovite....

The Xiyuantou rare metal granite pegmatite of Fujian province is a raremetal deposit dominated by Ta and containing various sorts of associated ele-ments. The pegmatite were found into mica-plagioclase granulite and quartzmicaschist of Sinian metamorphic series. Micas from different assemblage zones of pegmatitic veins all belong to 2M_1type Rb-bearing muscovite, which has quite stable chemical composition at thepositions of tetrahedra and octahedra, varying within the compositional rangeof normal muscovite. Micas contain Rb (Rb_2O=0.45-1.78%) and Cs (Cs_2O=0.02%-0.06%) but are deficient in Li and F. The variation in Rb_2O and Cs_2Ocontent of different assemblage zones is connected to certain extent with modesof occurrence, mineral assemblages, grain sizes and colors of micas.Ferriferous muscovite in mica-plagioclase leptynite differs from Rb-bearingmuscovite in that the former is a bit higher in Ti, Mg apd Fe content andspecific gravity (G=2.83--2.88), but contains extremely low Li_2O, Rb_2O andCs_2O. The site occupancy of cations (Li~1+ +R~2+ +R~2+ +Ti~4+ =4.372) in the octahe-dron of 3T type alumo-protolithionite from quartz-mica schist is between thedioctahedron and the trioctahedron, belonging to the transitional type. Besides ??containing abundant Ti, Mg and Fe, this mica is characterized by rich rarealkali elements (Rb_2O=1.42, Cs_2O= 1.36% and Li_2O= 1.90%) and volatiles (F-=3.34%). Data of infrared absorption spectrum and differential thermal ana-lyses also suggest the transitional characteristics of this mica. Its unit cell para-meters are aS follows: ao=5.19A, bo=5.19A, co=30.05A, a=90°, β=90°, γ=120°, Nm=Ng= 1.601, 2V= 0-3°, and G= 2.91. Chemical composition and species of micas reflect geologi-cal environmentsfor their formation, thus playing an indicating role in prospecting for minerali-zation. Mica rich in rare alkali formed in pegmatite and quartz-mica schist is.related to properties of wall rocks and rich rare alkali elements in pegmatitemelt-solution. It is therefore known that mica can serve as a typomorphic mine-ral in the rare metal pegmatite deposit.

作者对福建溪源头稀有金属花岗伟晶岩及其围岩中的40余个云母样品进行了成分、物性、结构及热性质的综合研究。溪源头伟晶岩之不同组合带中产出的云母均为2M_1型含铷白云母,云母中含铷、铯而贫锂、贫氟。云母斜长变粒岩中的白云母为含铁白云母。其中钛、镁含量偏高。石英云母片岩中之3T铝黑鳞云母的八面体阳离子占位介于二八面体和三八面体之间。该云母以富稀碱元素及挥发分为其特征。溪源头云母的成分及种属反映了形成它的地质环境特点,与围岩性质及成矿类型有关,可作为稀有金属伟晶岩矿床的标型矿物,可以用作找矿标志。

Clay mineral composition contents of Fe, Al and Si oxides in clay fraction, charge amounts and Point of zero change (PZC) of seven soil samples, derived from quartz mica schist and collected from different altitudes of Wudang Mountains, were studied. Results indicate that, (1) the clay mineral composition of the examined soils is predominated with 2:1 type minerals, and below the ahitude of 440m with hydromica and vermiculite, but above the altitude of 670m ash 1.4 nm intergrade mineral, chlorite and hydromica...

Clay mineral composition contents of Fe, Al and Si oxides in clay fraction, charge amounts and Point of zero change (PZC) of seven soil samples, derived from quartz mica schist and collected from different altitudes of Wudang Mountains, were studied. Results indicate that, (1) the clay mineral composition of the examined soils is predominated with 2:1 type minerals, and below the ahitude of 440m with hydromica and vermiculite, but above the altitude of 670m ash 1.4 nm intergrade mineral, chlorite and hydromica (2)There is no significant changing tendency in the contents of Al and Fe oxides, the silica-alumica ratio, and the freedom of Fe oxides in the clay fraction with the changing altitudes, but the contents of noncrystalline Al and Fe oxides, and the activity of Al and Fe oxides tend to increase with the increase in altitude. (3) The variable charge amount, the anion adsorption amount and the PZC values of the soils tend to increase with the increase in altitude.

本文研究了湖北省武当山风景区石英云母片岩发育的7个土样的粘土矿物组成、粘粒氧化物含量。土壤电荷量及电荷零点.结果表明:(1)供试土壤粘土矿物均以2∶1型矿物占优势,在海拔440m以下的土壤中主要是水云母和蛭石,在海拔670m以上的土壤中主要是1.4nm过渡矿物、绿泥石和水云母;(2)土液粘粘中氧化铁和氧化铝的含量、粘粒硅铝率及氧化铁的游离度随海拔的变化而变化的趋势不甚明显,但非晶形铝铁氧化物的含量及氧化铝和铁的活化度随海拔升高而趋于增加;(3)土壤可变负电荷量、阴离子吸附量和电荷零点随海拔升高而趋于增加。

By processing S wave data from Fanshi Huai′an Taipusiqi DSS profile,which is a three component wide angle reflection/refraction profile,and in the light of the results from P wave interpretation,2 D structures of the crust and upper mantle are presented,including S wave velocity V S and the physical parameter of medium Poissn′s ratio σ .Taking other geological and geophysical information into account,and with reference to the results from petrophysical experiments at home and abroad,we carried...

By processing S wave data from Fanshi Huai′an Taipusiqi DSS profile,which is a three component wide angle reflection/refraction profile,and in the light of the results from P wave interpretation,2 D structures of the crust and upper mantle are presented,including S wave velocity V S and the physical parameter of medium Poissn′s ratio σ .Taking other geological and geophysical information into account,and with reference to the results from petrophysical experiments at home and abroad,we carried out interpretation and inference with respect to deep crustal structure,tectonics and lithologic character.It has been concluded that:in the upper and middle crust, σ values are mostly not greater than 0 25, and rocks,which generally assume brittle,are mainly composed of granite,rocks in the lower layer of upper crust between Yangyuan Huai′an contain inorganic CO 2 which itself releases carbon;In the lower crust and crust mantle transitional zone,which is comparatively plastic, σ values are mostly greater than 0 26,rocks in the lower crust are intermediate acidity granulite north of Huai′an,quartzic amphibole gneiss between Huai′an Yangyuan,and quartzite south of Yanyuan;M discontinuity is mainly composed of basic granulite amphibolite at both ends of the profile and quartzmica gneiss intermediate granulite in the middle area of the profile. On the basis of lateral variation in σ values,taking seismic phase characteristics into consideration,the ultra crustal fault near Yangyuan and Zhangbei and the abyssal fault at Huai′an are deduced.Taking seismicity into account,we interprete the lower layer of the upper crust under Yangyuan which is an earthquake prone area,and believe that the rock mass here is comaratively brittle and hard and “floats” over the compartively plastic rock mass under it;Affected by the ultra crustal fault regional stress field and the upwelling of material from upper mantle,dislocation and slide may take place in the rock mass where σ values vary obviously,thus,triggering earthquakes which tend to center on the trittle and hard side of the rock mass with low σ values.

通过对繁峙-怀安-太仆寺旗三分向深地震测深宽角反射\折射剖面的S波资料进行处理,结合P波处理结果,给出了地壳上地幔的S波速度VS及介质物性参数泊松比σ的二维结构;综合地质及其它地球物理资料,参照国内外岩石物理参数的实验结果,对地壳深部结构、构造及岩性进行了解释和推测。其结论为:中上地壳大部分地区σ值不大于025,岩石主要由花岗岩组成,整体呈脆性;其中阳原-怀安间的上地壳下层岩体,含有来自上地幔的无机CO2气体并还原释放出碳;下地壳及壳幔过渡层σ值大部分大于026,整体呈相对塑性;下地壳岩性在怀安以北地区为中酸性麻粒岩、怀安至阳原为英角闪片麻岩、阳原以南为石英岩;莫霍\过渡层主要由剖面两端的基性麻粒岩-闪岩和剖面中部地区的石英云母片岩-中性麻粒岩所组成。根据σ值的横向变化并结合震相特征,推断了阳原及张北附近的超壳断裂带和怀安的深断裂带。结合地震活动性,对地震较为集中发生的阳原上地壳下层进行了解释,认定是由于该岩体较脆硬且“漂浮”在下部的较塑性岩体之上,受超壳断裂带、区域应力场及上地幔物质上涌的影响,岩体容易在σ值显著变化的部位产生错动、滑动,引发地震,且地震多集中于σ值较小的脆硬岩体一侧。

 
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