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磁铁石英岩
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  magnetite-quartzite
     A DRILL CORE SPECTRAL LOGGING STUDY IN A MAGNETITE-QUARTZITE TYPE IRON DEPOSIT
     磁铁石英岩型铁矿岩芯光谱编录研究
短句来源
     , granulite, charnockite, gneiss and a small amount of ultramafic as well as magnetite-quartzite (BIF).
     基本岩石类型有镁铁质岩石(包括角闪岩、辉石岩、斜长角闪岩等)、麻粒岩、紫苏花岗岩、片麻岩及少量的超镁铁质岩和磁铁石英岩
短句来源
  magnetite quartzite
     The Hekou Group contains magnetite quartzite, basic volcanic rocks and siliceous graphite schist of the Lower Proterozoic, and its Early Proterozoic age has been evidenced by isotopic dating.
     而河口群具有下元古界典型的磁铁石英岩、基性火山岩、硅质石墨片岩岩石组合,且有同位素年龄佐证。
短句来源
     According to the study on quartz vein type, alteration rock type and magnetite quartzite type gold deposits in this region, the composition, temperature and infrared absorption spectrum of fluid inclusion in quartz can be taken for the exploration accessment criterion of gold deposits.
     对该区石英脉型、蚀变岩型及磁铁石英岩型金矿床的研究表明,石英中流体包裹体的成分、温度和红外吸收光谱等特征可以作为划分矿床类型和作为金矿找矿评价的标志
短句来源
     The new type of rocks such as the residuum of magnetite quartzite, trachyte porphyry, marble and sodaclase are found in the survey area.
     测区内发现磁铁石英岩残留体、粗面斑岩、大理岩、钠长岩等新岩石类型。
短句来源
     Shushui rock group remains in Xiyao gneiss, and made up of amphibolite, magnetite quartzite, biotite granulite, calc-schist and dolomitic marble.
     涑水岩群残存于西姚片麻岩之中,是由斜长角闪岩、磁铁石英岩、黑云变粒岩、钙质片岩和白云质大理岩组成。
短句来源
     Through the study of technological mineralogy of Donganshan Iron Mine's ore, it is found that its major technological types include oxidized ore, high ferrous ore, semi-oxidized ore, unoxidized ore (magnetite quartzite), carbonate containing ore and chlorite containing ore.
     通过对东鞍山铁矿矿石进行工艺矿物学研究 ,查清了东鞍山铁矿矿石的主要工艺类型为氧化矿石、高亚铁矿石、半氧化矿石、未氧化矿石 (磁铁石英岩 )、含碳酸铁矿石、含绿泥石矿石 ;
短句来源
  “磁铁石英岩”译为未确定词的双语例句
     Granite may be subdivided into the Tiejiashan granite and the Gongchangling granite, while thesupracurstal rocks are composed of itabirite and sericite -chlorite -quartz schist.
     其中花岗岩包括铁架山花岗岩和弓长岭花岗岩,表壳岩由磁铁石英岩和绢云绿泥石石英片岩组成。
短句来源
     It is dividedinto two different series of components: ①amphibolite+magnetite-quartz rock+hornblenditeand pyroxenite, representing "greenstone" component in this district ;
     可以划分为两种不同系列的组成:(1)斜长角闪岩+磁铁石英岩+角闪石岩、辉石宕,代表了本区的“绿岩”组分;
短句来源
     Basic volcanic rock-banded magnetite puartzite-carboncaceous-siliceous slate(siliceous graphiuc schist)formation which should be put under Upper Archaeozoic to Lower Proterozoic Erathem is in existence in the Hekou Group.
     河口群中存在基·性火山岩、条带状磁铁石英岩、碳硅质板岩(硅质石墨片岩)三组合建造,应属晚太古代未-早元古代地层。
短句来源
     The main views were as follows. 1)Gold was easy enriched in place of the content of magnetite being high and strength of dynamic-magnetism being big.
     1)当铁矿层或磁铁石英岩层褶皱时,金元素易在磁铁矿含量高、动磁强度大的部位(即褶皱转折端或两翼)富集。
短句来源
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  magnetite-quartzite
Adsorption of tridecylamine on magnetite-quartzite ore, in relation to purification of flotation effluent
      
  magnetite quartzite
Radiation Thermal Stresses in Minerals and Their Role in Magnetite Quartzite Beneficiation
      
The reliability of such modeling is exemplified by dressing of oxidized magnetite quartzite.
      


Utilizing optical filters, one film can be separated into three, corresponded to high, middle, and low frequency respectively. Then, using the seperated films, we can do color synthetic processing. In the final color image, the interpretation degree of lithological charaters and structures have been improved, and we can extract the mineral message from the image. From the color synthetic image of Miyun County:1.We have interpreted a lot of faults and fractures;2.The magnetic distribution has displied in the...

Utilizing optical filters, one film can be separated into three, corresponded to high, middle, and low frequency respectively. Then, using the seperated films, we can do color synthetic processing. In the final color image, the interpretation degree of lithological charaters and structures have been improved, and we can extract the mineral message from the image. From the color synthetic image of Miyun County:1.We have interpreted a lot of faults and fractures;2.The magnetic distribution has displied in the image, so the fold feature of the ground surface can be interpreted.

本文介绍了可见光黑白航片的处理方法。通过光学的空间滤波将底片分为高频、中频、低频三张底片。再用它们作图象处理,可获得一张彩色象片。此种象片提高了地质构造及岩性的可解程度,并提取了矿产信息。密云某地区的处理象片上,可识别出大量断层及磁铁石英岩的分布与褶皱的地表形态。此方法有效性的关键在于:根据地质体与航片的特征正确选定滤波器的直径及曝光时间。

There was more CO_2 in the early and middle Archaeozoic atmosphere of China because of the frequent and violent volcanic activities.Under the influence of hothouse effect the paleoclimate was characterized by warmth and wetness.Both the convection current of the atmosphere and the local circulation of moisture in the air had not taken place.All of the rainwater fell only on the area along the seashore and on the surface of the sea.Because of the small land and little difference into- pography,the dry climate...

There was more CO_2 in the early and middle Archaeozoic atmosphere of China because of the frequent and violent volcanic activities.Under the influence of hothouse effect the paleoclimate was characterized by warmth and wetness.Both the convection current of the atmosphere and the local circulation of moisture in the air had not taken place.All of the rainwater fell only on the area along the seashore and on the surface of the sea.Because of the small land and little difference into- pography,the dry climate of inland had not developed.The earliest carbonate.rocks of China are the marbles from the Jining Group,inner Mongolia and the Fuping Group,the Taihangshan Mountains.It shows that the seawater at that time was warm everywhere,and that the oxygen in the sea had reached some critical point and the density of the soluble CO_2 was lower.The earliest khondalites of China occured also in the Jining and Fuping Groups.The Lower Anshan Group contains a few arko- ses which are regarded as the earliest arkoses of China.They are the marks of warm and wet climate. The normal sedimentary rocks were developed quite well in the late Archaeozoic Era and can be divided into some different lithofacies zones For example,there is a lithofacies demarcation line in a northeast-south- west direction from Beijing to the south of shanxi province.To the east of the line,there is short of carbonate sediment,but to the west, there are many layers of marbles.The development of st rippedf erruginous quartzites is contrary to the marbles.These paleogeolraphic features of sediments seem to eflect the difference of the paleoclimate,that is,the west part developed a set of broad and still shallow sea deposit with the characteristics of warm and wet climate;the east part is characterized by unstable eruption of island volcanoes and interval sidements.Moreover. the climate was unsteady:the air temperature was quite high daring the eruptions,lower in the interval periods.

中国早中太古代由于火山活动频繁强烈,大气中 CO_2多,受温室效应的影响,古气候具有温暖潮湿的特点。大气不对流,空气中水分不发生地区循环,雨水都降落在沿海及海面上。由于大陆面积小,地形差异不大,尚不致发生内陆干燥气候。内蒙集宁群、冀西北桑干群及太行山阜平群等出现的大理岩,是我国最早的碳酸盐层,一方面反映了海水普遍温暖,同时也反映了海洋中氧己达到了某一临界值和可溶 CO_2浓度较低。集宁群、阜平群中还有我国最早的孔达岩系。下鞍山群残留有少量我国最早的长石砂岩,是温暖潮湿气候的标志。晚太古代时正常的沉积岩较发育,并存在不同的岩相带,例如从冀东到晋南有一条东北向的岩相分界线,此线以东则缺少碳酸盐沉积,以西则含有多层大理岩;面条带状磁铁石英岩则与此相反。这些沉积古地理的特征,似乎反映了古气候的差异,即西部具有广阔而宁静的浅海盆地沉积,具有温暖而潮湿气候的特点,东部则为不稳定岛海火山喷发与间歇沉积的特征,气候不稳定,在火山喷发时气候很高,在间歇沉积时则气温较低。

The iron orebodies in Anshan area are mainly located in three large ductile deformation belts. During the development of these ductile deformation belts, the magnetite quartzite composing the iron orebodies was encountered two episodes of mylonitization, the magnetite was plastically deformed at the early episode and brittlely at the late episode. Meanwhile, under the influence of structural transformation, shear differentiation and the infiltration of fluids, the banded structures in magnetite quartzite also...

The iron orebodies in Anshan area are mainly located in three large ductile deformation belts. During the development of these ductile deformation belts, the magnetite quartzite composing the iron orebodies was encountered two episodes of mylonitization, the magnetite was plastically deformed at the early episode and brittlely at the late episode. Meanwhile, under the influence of structural transformation, shear differentiation and the infiltration of fluids, the banded structures in magnetite quartzite also underwent two cycles from breakdown to formation, the minerals forming banded structures were recombined, and a series of banded structures reflecting their developing stages and defoming features were formed.

鞍山地区的铁矿体主要处于三条巨大的韧性变形带中。在这些韧性变形带的形成过程中,组成铁矿体的磁铁石英岩经历了两次糜棱岩化作用的改造,早期磁铁矿为塑性变形,晚期磁铁矿为脆性变形,与此同时,在构造置换、剪切分异和流体参加等因素的影响下,磁铁石英岩中的条带状构造经历了两期从破坏到形成的旋回,组成条带的矿物组分重新迁移和分配,形成一系列反映其形成阶段和变形特点的条带状构造。

 
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