This precious mineral is found as crystals within metamorphic rock.
我们可以在变质岩中发现这种珍贵矿物的结晶体。
Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.
片麻岩,变质岩,可以发现,在常见的前寒武纪地区。
The towering peaks and deep valleys are all composed of igneous and metamorphic rock.
高耸的山峰和山谷都深组成的火成岩和变质岩。
The main parts of SW Yunnan orogenic zones consist of complicated metamorphic rock units.
滇西南造山带的主体由多期变质的岩石单元组成。
The type of gold deposits can be divided into 1) gold deposit in deep metamorphic rock series;
金矿类型可分为1)产于深变质岩系中的金矿;
The metallogenic substance mainly comes from the Archeozoic metamorphic rock series in basement.
成矿物质主要来源于基底太古界变质岩系。
Granite and metamorphic rock constituted the basement of the basin with better uranium source conditions.
盆地基底为花岗岩和中高级变质岩,铀源条件良好。
All the evidences indicate Miyi Precambrian metamorphic rock series is a typical low pressure metamorphic terrain.
所有的证据表明该变质地体是一个典型的前寒武纪低压型前进变质地体。
Structure-stratigraphic method is an effective method for stratigraphic study in Precambrian metamorphic rock area.
构造地层学方法是变质岩,尤其是前寒武纪变质岩地区地层研究的有效方法。
Interpretation and evaluation for individual well reservoir in buried hill of Leng 124 metamorphic rock was satisfactory.
从而对冷124变质岩潜山单井储层进行了解释与评价,取得了满意效果。
The main mechanism of melt lineation is extensional deformation which led to partial melting of high-grade metamorphic rock.
伸展构造变形导致岩石部分熔融,是熔体线理形成的主要机制。
The tectonic lithofacies features of gold deposit of metamorphic rock type in the Eastern Shandong are described in this paper.
本文简述了胶东变质岩型金矿的构造-岩相特征。
An ultra-high temperature (UHT) metamorphic rock belt occurs in Jining-Fengzhen-Tuguiwula, central part of southern Inner Mongolia.
内蒙古中南部集宁—丰镇—土贵乌拉地区发育了一条超高温变质岩带。
Volcanic rock, clastic and metamorphic rock reservoirs integrated to form the complex petroleum accumulation region in Erleim basin.
火山岩油藏和碎屑岩、变质岩类油藏共同组成了二连盆地复式油气聚集区。
Having analysized the degree of crystallization of andalusite, it is believed that the anthracite is a low-grade thermal metamorphic rock.
从红柱石的结晶程度分析,这种无烟煤是一种低级热接触变质岩。
Metamorphic rock burial hill reservoir of Bell rift in Hailaer Basin, with large scale reservoir and high output, has complex fault system.
海拉尔盆地贝尔断陷中的变质岩潜山油藏规模大,产量高。
Poikilitic in the poikiloblastic texture of metamorphic rock most concentrate in the middle part of host and the grain size of crystal is large;
变质岩中包含变品结构中的嵌晶多数集中于主晶中部,且晶粒大;
A metamorphic rock formed by alteration of limestone or dolomite, often irregularly colored by impurities, and used especially in architecture and sculpture.
大理石由石灰岩或白云岩变化而来的一种变质岩,常有不规则的杂质色块,专门用于建筑和雕塑。
A block of rock that forms a structural or topographic feature, such as a block of igneous of metamorphic rock within an area of mountain building, or orogeny.
形成构造或地形特征的岩石块体。如在一个造山区或造山运动区内的火成岩块体与变质岩块体。
The deformation of the Changting low-grade metamorphic rock series occurs mainly as kink structures and open fold except as tight folds possible in local segments.
长汀浅变质岩系除局部地段可能存在紧闭褶皱外,以膝折带构造及宽缓褶皱变形为主。
According to the metamorphic rock assemblages and their characteristics, Whole Archean metamorphic rocks can be subdivided into Jianping Complex and Dayingzi Croup.
按岩石组合和特征,整个变质岩系被划分为建平变质杂岩和大营子群。
Its wall rocks consist of the regional metamorphic rock, series of Mayuan formation and middle-lower Carboniferous series as well as lower Jurassic Lishan formation.
其围岩有麻源组和中下石炭统的区域变质岩系及下侏罗统梨山组地层等。
A fine-grained metamorphic rock composed of quartz, feldspar, mica, and other minerals, formed by the action of intrusive rock upon sedimentary rock, especially shale.
一种纹理清晰的变质岩,由石英、长石、云母和其他矿物组成,因侵入岩对沉积岩,特别是页岩的作用而形成。
Xikang Group is widely exposed on the West Sichuan Plateau and was considered to be a low greenschist facies metamorphic rock due to regional low-temperature dynamometamorphism.
川西高原广泛分布的西康群,原视为区域低温动力变质作用低绿片岩相变质岩。
The wall rocks of gold deposits located in Zhaoyuan gold mineralization area were rooted in metamorphic rocks in Jiaodong rock group in Archaean era and granites in Mesozoic era.
山东招远金矿集中区金矿床的围岩为新太古代胶东岩群变质岩和中生代花岗岩。
Clay minerals distribute extensively in various slopes made of sedimentary rock, weathering profiles of igneous rock, metamorphic rock and sedimentary rock and colluvial deposits.
粘土矿物广泛分布于原生沉积岩、三大岩类风化带及第四系松散堆积物构成的斜坡中。
The role of metamorphic fluids is an important process in the metamorphic rock fluid system. This process can be revealed effectively by a series of geological and geochemical approaches.
变质流体作用是变质岩—流体体系的重要地质作用过程,可以通过有效的地质地球化学方法揭示。
The Middle Proterozoic group Strata in northwest Fujian had been Subjected metamorphism in Caledonian orogeny, and formed a metamorphic rock association of schist-gneiss-migmatite series.
闽西北中元古代地层在加里东运动期间遭受了变形变质作用,形成了一套片岩—片麻岩—混合岩系变质岩。
Fluid in the shear zones is closely related to alteration in gold deposits in metamorphic rock area. There are various types and stages of metasomatism and metasomatite in the shear zones.
在含金断裂蚀变带中,由于剪切带流体的强烈交代作用,交代蚀变岩成为金矿的重要矿石类型。
Fluid in the shear zones is closely related to alteration in gold deposits in metamorphic rock area. There are various types and stages of metasomatism and metasomatite in the shear zones.
在含金断裂蚀变带中,由于剪切带流体的强烈交代作用,交代蚀变岩成为金矿的重要矿石类型。
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