Hornblende

Mineral characteristics of hornblende and magnetite in surface sediments in the east of the South China Sea and their genesis

南海东部表层沉积物中普通角闪石和磁铁矿的特征及其成因

The dominant mineral ( over 90 percent in general ) is Fe-rich hornblende .

主要矿物成分为富铁普通角闪石，含量一般>90%。

Mineralogical record of crystallization processes of Pingtan hornblende gabbro , Fujian

福建平潭角闪辉长岩结晶过程的矿物学记录

Flow and Deformation Mechanisms of Hornblende Rocks from the Paleoproterozoic Fold Belt in Liaodong Peninsula

辽东古元古宙褶皱带变质角闪质岩石的流动与变形机制

Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes .

含角闪石的变种填补了带状和脉状角闪岩的中间相。

Genetic characteristics of both hornblende and magnetite in sediments are consistent with those of coexisting minerals as well as the geological background around the study area .

普通角闪石和磁铁矿的成因性质与其共存的矿物特征和研究区的区域地质背景相吻合。

Biotite ( hornblende ) two-feldspar gneiss and ( 5 ) Fault br .

黑云（角闪）二长片麻岩和（5）碎裂岩等。

Mineral Chemistry and ~ ( 40 ) Ar - ~ ( 39 ) Ar Ages of Hornblende Gabbro from Tong'an , Fujian Province and Their Geological Significance

福建同安角闪辉长岩的矿物化学、~（40）Ar-~（39）Ar年龄及地质意义

The hornblende K - Ar age of matrix between the orbs is 291 ± 4Ma , representing the formation age of the pluton ;

球间基质中角闪石的K-Ar法年龄为291±4Ma，代表了岩体形成年龄；

Both the Wushi diorite - hornblende gabbros and the surrounding granite - granodiorites belong to high - K calc - alkaline series .

乌石闪长岩角闪辉长岩和周围佛冈黑云母花岗岩、含角闪石花岗闪长岩同属于高钾钙碱性系列岩石。

In the ocean basin spreading stage of Middle Silurian , it formed a increase metamorphic charateristics with lotrite facies → low green schist facies → hornblende facies .

中志留世末洋盆扩张阶段，形成葡萄石、绿纤石相→低绿片岩相→角闪岩相的递增变质特征；

Hornblende in granitic mylonite yields an Ar-Ar plateau age of 276.3 Ma , representing the upper limit of the ore-forming event of the Hongshan gold deposit .

花岗质糜棱岩中角闪石276.3Ma的Ar-Ar坪年龄给出了红山金矿床成矿事件的时代上限。

The 40 Ar / 39 Ar plateau age of hornblende from granodiorite in Guandian intrusive , northern Anhui Province is ( 126.9 ± 0.2 ) Ma .

皖北管店花岗闪长斑岩中角闪石的40Ar/39Ar坪年龄为（126.9±0.2）Ma。

The research laid a strong emphasis on separating rutile from the higher-density silicate minerals ( epidote and hornblende ), and had great realism significance in rutile 's exploitation and utilization .

本文研究的主要内容是实际研究过程中遇到的密度较大硅酸盐矿物绿帘石和角闪石与有用矿物金红石分离问题，因此本研究课题紧密结合实际，对金红石资源开发利用具有重大的现实意义。

~ ( 40 ) Ar / ~ ( 39 ) Ar dating of hornblende and biotite in Mesozoic intrusive complex from the North China Block : Constraints on the time of lithospheric thinning

华北地块中东部中生代侵入杂岩中角闪石和黑云母的~（40）Ar/~（39）Ar定年：对岩石圈减薄时间的制约

Of , relating to , or being the region between the high tide mark and the low tide mark . Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes .

潮间带的属于、关于或是高潮线与低潮线之间区域的含角闪石的变种填补了带状和脉状角闪岩的中间相。

The magma might undergo fractional crystallization of olivine , clinopyroxene , hornblende and weak plagioclase during the diagenesis process , which however is not obviously contaminated by crust materials in the emplacement process .

成岩过程中岩浆经历了橄榄石、单斜辉石、角闪石等暗色矿物以及少量斜长石的分离结晶作用，岩浆侵位过程中没有受到地壳物质的混染。

The turbidite sandstones in the study area can be classified at least into six types based on the combination of the quantitatively major heavy minerals such as opaque minerals , hornblende , hypersthene , and augite .

基于主要重矿物，比如蛋白石、普通角闪石、紫苏辉石和普通辉石的定量综合分析，至少可将研究区的浊积砂岩划分为6种类型；

Shuijingtun gold deposit is located in the central axis of the Zhanjiakou-Xuanhua mantle branch and in the west of alkaline hornblende monzonite in the area of Shuiquangou-Dananshan in Zhangjiakou .

水晶屯金矿床位于张宣幔枝构造轴部，水泉沟&大南山碱性角闪二长岩杂岩体的西缘。

Mafic intrusive rocks in Wuqiagou area , eastern part of Ahai Orogenic belt , include diorite porphyrite , olivine gabbro cumulates , and hornblende gabbro cumulates .

阿尔泰造山带东段的乌恰沟地区发育大量镁铁质侵入岩（岩脉或小岩体），包括闪长玢岩和具堆积结构的角闪辉长岩和橄榄辉长岩。

Detailed study on the deformation characteristics and deformation mechanisms of hornblende and hornblende rocks would promote understanding the creep laws and rheology of middle-lower continental crustal rocks , and establishing a comprehensive mechanical and rheological model of crustal lithosphere .

深入开展角闪石和角闪质岩石变形特点与变形机制的研究工作，将促进加深对于中下地壳岩石的蠕变规律与流变性的了解，进而建立完整和全面的地壳岩石圈力学和流变学结构模型。

Rock-forming mineral , olivine , pyroxene , hornblende , orthoclase , feldspar , plagioclase , mica , quartz , biotite , calcite and other common metal and nonmetal minerals .

造岩矿物的概念、橄榄石、长石、角闪石、辉石、云母、石英、方解石和常见金属和非金属矿物。

The main conclusions are as follows : ( 1 ) Mineralization is closely related with Jurassic PUNTA Coles super unit hornblende monzonite-diorite rock mass , and locates at the preferred target of the aeromagnetic anomalies .

主要结论如下：（1）成矿作用与侏罗纪PUNTACOLES超单元的角闪二长-闪长岩体关系紧密，处于航磁异常优选靶区位置，区域上成矿条件优越。

In this article , the " black jade " is studied , and it is found out that the main composition is dark green hornblende , so the jade must not be named " ink " jade but hornblende jade .

通过研究该玉石发现，其黑色不是由于含有石墨造成，其主要成分为深绿色的普通角闪石。

The single zircon U-Pb age of the pinkish-color hornblende quartz syenites from the near-acid magmatic end-member is 445 ± 4Ma , indicating that these rocks are Caledonian .

该岩浆混合杂岩体中偏酸性端员肉红色角闪石石英正长岩中颗粒级锆石UPb定年结果表明，其形成时代为445±4Ma，反映为加里东期产物；

Ore bodies occur in Archaeozoic hornblende metamorphic rock series , especially in the surrounding area and inner side of the metamorphic diorite , controlled by NE and NNE shear zone , and occur as feather veins in the side faults .

矿体赋存于太古代角闪质变质岩系，特别是变质闪长岩体周边及内侧，受NE、NNE向剪切破碎带控制，常在其傍侧断裂形成羽状矿脉。

Iron ore in the main metal minerals are magnetite 、 pyrite 、 chalcopyrite 、 ore gangue minerals are mainly garnet 、 diopside 、 plagioclase 、 hornblende 、 quartz 、 calcite 、 green and epidote and other debris .

铁矿矿石中主要的金属矿物有磁铁矿、黄铁矿、黄铜矿，矿石中的脉石矿物主要有石榴子石、透辉石、斜长石、角闪石、石英、方解石、绿泥石和绿帘石等。

Based on the zircon saturation temperature and hornblende geobarometer estimation , the crystallization temperature and pressure of enclaves and hosting granite are very close , in the range of 793 ~ 824 ℃ and 3.5 ~ 5.1 Kb , respectively .

用锆石饱和温度和角闪石成分估算了包体和寄主花岗岩结晶的温度和压力表明，它们的结晶温度和压力条件相近，分别在793~824℃和（3.5~5.1）×108Pa范围内。

It consists of hornblende gabbros , olivine pyroxenites , olivine gabbros , noritegabbros and anorthosites , these lithofacies belts extend in concentric ring form , and each other gradual transition .

由角闪辉长岩、橄榄辉石岩、橄榄辉长岩、苏长辉长岩和斜长岩组成，岩相带呈同心环状展布，相互间呈渐变过渡关系。

The granulite facie rock shows lenticulars , mainly outcrops at about 500 meters to the town , east of river . The major minerals of these rocks are diopside , plagioclase , hornblende , biotite and garnet .

其中麻粒岩主要出露于佛坪县城南约500m河东岸，呈条带状和透镜状产出，其矿物组成以透辉石、斜长石、角闪石、黑云母及石榴子石为主。