rock altered by pressure and heat

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巖带。

the changting low-grade metamorphic rock series are derived from the later proterozoic-early palaeozoic sedimentation of the inland rift trough.

长汀浅变质巖系主要为晚元古代至早古生代内陆裂陷海槽的沉积作用产物。

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巖石块体。如在一个造山区或造山运动区内的火成巖块体与变质巖块体。

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巖石单元组成。

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巖、三大巖类风化带及第四系松散堆积物构成的斜坡中。

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.

长汀浅变质巖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。

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巖型金矿的构造-巖相特征。

the ore-bearing rock of the xiaowenshan detrital mica mineral is a set metamorphic rock that main body rock is muscovite k-feldspar gneiss.

小文山碎云母矿的含矿巖石是一套以白云母钾长片麻巖为主体的变质巖，原巖为富硅高钾、低钙低镁的粘土质砂巖。

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，交代蚀变巖成为金矿的重要矿石类型。

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巖，由石英、长石、云母和其他矿物组成，因侵入巖对沉积巖，特别是页巖的作用而形成。

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巖，尤其是前寒武纪变质巖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变质巖潜山单井储层进行了解释与评价，取得了满意效果。

because of deep buried depth of metamorphic rock buried hill reservoir, complex structure and poor seismic data quality, it will bring a larger difficulty to reservoir interpretation and prediction.

由于潜山变质巖储层埋藏深、构造复杂，地震资料品质差，给储层解释和预测带来较大的难度。

burnt stone is a metamorphic rock that is formed by baking of the country rocks with the high-temperature heat naturally produced from coal beds.

烧变巖是煤层自燃产生的高温，对周围巖层的烧烤作用所形成的一种变质巖。

a metamorphic rock formed by alteration of limestone or dolomite, often irregularly colored by impurities, and used especially in architecture and sculpture.

大理石由石灰巖或白云巖变化而来的一种变质巖，常有不规则的杂质色块，专门用于建筑和雕塑。

the lower proterozoic badu group is one of the oldest metamorphic rock series in the continental margin of southeast china, and is an integral part of the early precambrian zhejiang-fujian craton.

下元古界八都群是中国东南大陆边缘最古老的变质巖系之一，为早前寒武纪浙闽克拉通的主要组成部分。

the above conclusions have certain guide significance for the highway construction of qinling—bashan mountainous region, where the soft metamorphic rock is used as roadbed filling.

以上结论对采用软弱变质巖作为路基填料的秦巴山区公路建设具有一定的指导意义。

the study of oxygen isotope zoning in magnetite from slowly cooled metamorphic rock will help to determine the cooling rate of the rocks.

在缓慢冷却的变质巖中，磁铁矿的氧同位素环带常是扩散作用形成的，由此可以确定巖石的冷却速率。

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巖相变质巖。

a fine-grained metamorphic rock that splits into thin, smooth-surfaced layers.

一种颗粒细密的变质巖，可分成许多薄薄的、表面光滑的层面。

poikilitic in the poikiloblastic texture of metamorphic rock most concentrate in the middle part of host and the grain size of crystal is large;

变质巖中包含变品结构中的嵌晶多数集中于主晶中部，且晶粒大；

it is proposed that the metamorphic rock and granite with higher content of uranium distributed in northern uplift area of ordos basin were denudated and transported to deposit in dongsheng district.

结合区域地质分析认为，侏罗—白垩纪鄂尔多斯盆地北部隆起区大面积分布的富铀变质巖和花岗巖遭受风化剥蚀，被大气降水搬运到当时地貌较低的东胜地区沉积。

the main factors of orebody controlling in wulaga gold deposit are structure belt, fracture belt, plagioclase granitic porphyry and metamorphic rock of basement.

乌拉嘎金矿主要控矿因素是构造破碎带及裂隙带、斜长花岗斑巖体和老基底变质杂巖。