基底岩石中以TT G质岩石为主,少量为花岗质岩石。
The basement rocks are mainly TTG rocks with minor granites.
本文的目的是帮助普通旅游者识别花岗质岩石及其重要意义。
This paper is used to help general tourists to recognize granitic rocks and their importance.
这种性质决定了花岗质岩石具有正的浮力,记录了很长的地球演化历史。
This feature decides the granitic rocks have positive buoyancy and the long history records of the earth's evolution.
花岗质岩石主要由石英、斜长石和碱性长石组成,并因此具有较低的密度。
Granitic rocks mainly consist of quartz, plagioclase and alkaline feldspar and hence have lower densities.
花岗质岩石与其围岩变(浅)粒岩为渐变过渡关系,并呈现一些特殊的结构构造。
The granite, which is transitional to its host rock granulite, possesses some special structure and texture, fluctuating largely in its chemical component concentration.
花岗质岩石的地球化学类型属钙碱系列的改造型花岗岩和安粗岩系列的花岗岩,具有金的潜在含矿性。
The geochemical types of granitic rocks belonging to the regenerated granite of calc-alkali series and granite of latite series are good for latent ore-forming of gold.
河南中部登封地区早前寒武纪基底主要由新太古代登封群、古元古代嵩山群和早前寒武纪花岗质岩石组成。
Early Precambrian basement in the Dengfeng area, central Henan Province, is mainly composed of the Neoarchaean Dengfeng Group, Palaeoproterozoic Songshan Group and Neoarchaean granitoids.
由于花岗质岩石类型多,分布广,差异大,因此,国内外学者依据不同的判别标准提出了多种花岗质岩石的分类方案。
We have reviewed around 20 representative schemes of genetic classification of granitoids, which were proposed based on different criteria.
本文对花岗质岩石中包体的成因类型进行了系统厘定,建议使用“混杂包体”类型,并阐明了各类包体的特征、主要成因模式及其研究意义。
The genetic type, models and significance of rock enclaves in granitoids have been systematically reviewed, and a new genetic type nomenclature of "Hybrid enclave" has been pot forwatd.
岩石主要由幔源岩浆与中下地壳物质部分熔融形成的花岗质岩浆的混合形成的。
They were formed by mixing of the partial melting granitic magma of crust-derived material and mantle-derived basic magma.
矿床产于中生代花岗闪长岩和古生代钙铝质岩石的接触带中,矿体受构造和岩性控制。
The orebody is located in a contacting belt between granodiorite of Mesozonic and calcareous-aluminous rocks of Peleozoic, and controled by structure and nature of the rocks.
花岗质片麻岩是苏鲁超高压变质带中分布最为广泛的岩石单元,其岩石形成于新元古代。
Granitic gneiss is the most extensive geologic unit in the Sulu ultra-high pressure metamorphic belt and the age of protoliths of granitic gneiss is Neoproterozoic era.
基于此,岩石学家更注意花岗质岩浆的起源而不是它们的演化。
Based on this, the petrologists pay more attentions to the origin of magmas instead to the evolution of granitic magmas.
第一期为辉长质与花岗质岩浆混合,并生成闪长质岩石;
The first stage was mixing of gabbroic and granitic magmas, which formed dioritic rock;
泰山地区阜平期片麻岩由英云闪长质片麻岩、奥长花岗质片麻岩组成,呈北西向带状分布,形成于角闪岩相温压环境,岩石普遍具片麻状构造,局部地区岩石的韧性作用比较强烈。
The Fuping-time gneiss in the Taishan area, consisting of tonalite gneiss and trondhjemite, formed in NW zonal distribution in the amphibolite -facies temperature and pressure environment.
泰山地区阜平期片麻岩由英云闪长质片麻岩、奥长花岗质片麻岩组成,呈北西向带状分布,形成于角闪岩相温压环境,岩石普遍具片麻状构造,局部地区岩石的韧性作用比较强烈。
The Fuping-time gneiss in the Taishan area, consisting of tonalite gneiss and trondhjemite, formed in NW zonal distribution in the amphibolite -facies temperature and pressure environment.
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