查询词典 gabbro-norite

The rock belt are composed of malignite, nepheline gabbro, shonkinite, diopside-sienite, hornblende sienite, amphibole-monzonite,granodiorite-granophyre, kaligranite-porphyry, fraidronite, kersanton, precious garnet, olivine alkali-lamprophyre, alkalic-pyroxenolite, alkalic-basalt, latite and trachyte. And the lithofacies of the potassic rock zone include plutonic intrusion, hypabyssal intrusion and eruption.

本文的研究范围是哀牢山-金沙江钾质碱性岩带，该带位于我国西南三江地区的扬子板块和中缅板块三江褶皱区间的缝合带和多个地体边界带，由喜马拉雅期钾质富碱岩浆岩组成；从北往南由新疆塔什库尔干→沱沱河沿→青海囊谦→西藏江达→云南剑川→下关，向南到金平，中国境内该岩带延长达3700km，且向南延至越南境内，平面上岩带呈反&S&形的线形分布特点。

The following conclusions have been drawn:(1) According their field and petrologic characteristics and building upon previous works, Late Mesozoic and Cenozoic mafic dikes form Jiangxi province are complex in rock associations which are compose of lamprophyre and gabbro-diabase and diabase and diabase-porphyrite, are mainly distributed into three north-north-eastern strike belt including Xingzi-Shanggao-Pingxiang and Dexing-Yujiang-Xiangshan-Jian-Shangyou and Caotaobei-Dajishan.

本论文选择了江西省晚中生代以来的基性岩脉为研究对象，运用矿物学、元素和同位素地球化学及K-Ar测年等研究方法，首次较为系统地研究了江西省晚中生代以来的基性岩脉、与地壳拉张有关的基性侵入岩体的地质地球化学特征，并利用对其形成时代、源区性质的研究来探讨中国东南部地壳拉张期次、地幔性质等地球动力学背景中的关键性问题。

Guided by theory and method of unit-superunit mapping in the granite area, study the lithology, lithochemistry, trace elements, and rare earth elements, er. of the Wuzengsu gabbro body, and subdivide the body into four units.

摘要借鉴花岗岩区单元－超单元填图理论方法，通过对乌增苏辉长岩体岩石学、岩石化学、微量元素、稀土元素等特征的研究，将岩体划分为四个单元。

These suggest that the xenocrysts were captured by the enclave magma from the host magma. On diagram of total alkali vs. SiO〓(Middlemost, 1994), most samples of the host rocks plot within the area of diorite, the samples of the quenched margin plot within the area of gabbro-diorite and the samples of the enclave plot within the area of diorite.

在Middlemost(1944)提出的侵入岩全碱-SiO〓分类图解中，寄主岩的投影点落在花岗闪长岩范围内，淬冷边的投影点落在辉长闪长岩范围内，而包体的投影点大都落在闪长岩区。

Detailed geology- petrology-mineralogy study shows that late Triassic-early Jurassic granites can be divided into 4 groups: granodiorites, monzonitic-K syenogranites mainly, alkali feldspar-alkali granites and syenite, Middle Jurassic granites is composed of quartz diorites-granodiorites and monzonitic granites, the main rock type includes granodiorites and monzogranites; Early Cretaceous granites include alkali gabbro, alkali granites and granodiorites, and these rocks composed bimodal igneous rock group.

详细的地质-岩石矿物学研究表明，晚三叠-早侏罗世花岗岩可以划分成四种岩石组合，即花岗闪长岩组合、二长花岗岩—正长花岗岩组合、碱长花岗岩—碱性花岗岩组合和正长岩组合，其中以二长花岗岩—正长花岗岩组合为主；中侏罗世花岗岩由石英闪长岩-花岗闪长岩组合和二长花岗岩组合构成，岩石类型以花岗闪长岩和二长花岗岩为主；早白垩世出现了碱性辉长岩、碱性花岗岩和花岗闪长岩，构成双峰式火成岩组合。

The mafic dikes also formed by the partial melting of enriched mantle, include gabbro, diabase and lamprophyres (camptovogesite, odinite and hornblende lamprophyres).

基性脉岩主要包括辉长岩、辉绿岩和煌斑岩(以斜闪煌斑岩为主，同时含部分拉辉煌斑岩和角闪煌斑岩)，都为富集岩石圈地幔部分熔融的产物。

The ophitic and subophitic textures, elongated apatite crystals, low AlⅥ/AlⅣ ratios (0.00 ～0.28, 0.12 on average) in clinopyroxene, and low CaO content in olivine (0.04%～0.24%, average 0.12%) indicate that the gabbro was crystallized at a low pressure.

辉长岩所具有的辉绿辉长结构、大量细长针状磷灰石、单斜辉石中较低的AlⅥ/AlⅣ（0.00 ～0.28，平均为0.12）及橄榄石中较低的CaO含量（0.04%～0.24%，平均为0.12%），均体现出浅成侵入岩的特点。

The major petrogenetic minerals in the Tahe gabbro include plagioclase, olive, clinopyroxene and hornblende, coronitic-texture and poikilitic texture are obviously visible.

其主要造岩矿物由斜长石、橄榄石、单斜辉石及少量角闪石组成，具反应边结构和包含嵌晶结构。

There are three genetic types of mineral deposits in the Beiya ore district:① Cu-Au polymetallic deposits related to alkaline porphyries, comprising porphyritic Cu-Au deposits and polymetallic skarn deposits related to quartz-albite porphyry and quartz-K-feldspar porphyry;② Fe-Au deposits related to gabbro or basalt magma, consisting of magmatic Fe-Au deposits and sedimentary polymetallic deposits formed in caves and lakes; and ③ palaeo-placers formed at the weathering surface, in lakes and in karsts.

北衙金矿有3种成因不同的矿床：①与碱性斑岩有关的铜金多金属矿，包括与石英钠长斑岩和石英正长斑岩有关的斑岩型铜金矿床和矽卡岩型多金属矿床；②与辉长－玄武岩浆有关的铁金矿床，包括熔浆型铁金矿床和喷流沉积型多金属矿床，后者又有洞穴和湖相沉积环境之分；及③古砂矿，有古风化壳型砂矿、河湖相古砂矿和洞穴沉积古砂矿。

The mantle shear zone formed at lithospheric extensional setting of Meso-Tethys and reworked by serpentinization, cataclasis, and compressional deformation including deformed lens such as ophiolite, gabbro, and chronite, thrust faults, and folds produced during closure of the Meso-Tethys.

在南北向挤压导致海盆消亡的早期阶段，处于深层侵位环境的地幔橄榄岩由于物性的不均一性，变形分解作用产生不同尺度的透镜网络，如蛇绿岩体、辉长岩脉、纯橄岩异离体、豆荚状铬铁矿体、眼球状橄榄石、辉石残斑晶等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。