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According to mineral components, ores of the Daixian rutile deposit can be classified into the following types: actinolite- bearing anthothyllitite, actinolite-garnet- bearing anthothyllitite, staurolite- actinolite- bearing anthothyllitite, actinolite-biotite-bearing anthothyllitite, kyanite-bearing anthothyllitite, talc-actinolite- bearing anthothyllitite and chlorite-actinolite-bearing anthothyllitite, etc.
山西代县金红石矿床的含矿岩石按岩石中矿物组成可以划分以下几种类型:阳起直闪岩、直闪阳起直闪岩、石榴石阳起直闪岩、十字石阳起直闪岩、阳起黑云直闪岩、阳起直闪岩、蓝晶石直闪岩、滑石阳起直闪岩、绿泥阳起直闪岩等。按金红石的颜色可以划分为两类,即红色金红石矿石、黑色金红石矿石。
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The typical plagiogranite is distributed in the Kuerti ophiolite, which is the product of amphiobilite anatexis.
岩石学和地球化学的系统研究显示,库尔提蛇绿岩中分布着较典型的斜长花岗岩,该斜长花岩是角闪岩深熔作用的产物。
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The Buqingshan — Huashxia superslice is complex, including Middle Proterozoic diorite-facies Kuhai melange slice, ophiolite slice of different times, Early Permian — Early Triassic flysch wedge, basic-acid volcanic slice and carbonate slice and Late Triassic — Early Jurassic Yangqu Fm. terrestrial clastic slice.
布青山一花石峡超岩片组成较复杂,包括中元古界角闪岩相变质的苦海杂岩岩片、不同时代蛇绿岩岩片、早二叠世—早三叠世复理石楔岩片、中酸性火山岩岩片和碳酸盐岩片以及早侏罗世羊曲组的陆相碎屑岩岩片。
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The tectonic rocks along the fault zone are composed of cataclastic rocks and mylonites formed in higher, middle and lower temperature. Respectively, both of structural features and rocks have the features of multiple phase's of deformation. The deformation features of main minerals in the high temperature mylonites show that: the quartz has the form of long single crystal and the fabric feature of point maximum near X axis; the feldspar has the form of recrystallization assemblage, They present a high amphibolite-granulite facies with temperature >600℃ and depth >20km. The deformation features of mylonites formed in middle temperature show that: the quartz has the form of polycrystal banding and the fabric feature of point maximum near Y axis and small circle girdle with Y rotational axis; the feldspar has the form of a coremantle structure, They reflect a high greenschist-lower amphibolite facies with temperature from 400℃ to 600℃ and depth from 15km to 20km.
其中,高温糜棱岩主要矿物变形特征组合为:石英为长矩状或长条状单晶、组构为近X轴的点极密,长石为几乎完全重结晶的集合体,形成温度>600℃,相当于高角闪岩—麻粒岩相,形成深度>20km;中温糜棱岩主要矿物变形特征组合为:石英为多晶条带、组构为近Y轴点极密和以Y轴为旋转轴的小圆环带,长石发育核幔结构,形成温度为400~600℃,相当于高绿片岩—低角闪岩相,形成深度为15~20km;低温糜棱岩主要矿物变形特征组合为:石英发育核幔结构、组构特征为近Z轴点极密,长石以碎裂为主,形成温度<400℃,相当于中低绿片岩相,形成深度为8~12km;碎裂岩则主要代表了地表浅层的变形。
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Nalaqi structure belt ; the time of the main strata ; the ophiolite and glaucophane schist ; the background of the formation of Dahala Junshan volcanic rock ; characteristics of the texture ; Xinjiang China
那拉提构造带;地层时代;蛇绿岩和蓝闪片岩;大哈拉军山火山岩系形成背景;结构特征;中国新疆
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An ophiolitic melange belt is discontinuously exposed in Harihada- Chegendalai area to the south of Tuilamamiao in NE of Damaoqi. The ophiolitic mélange in the belt are mainly composed of metamorphic peridotites, metamorphic gabbros, metamorphic basic lavas and high-Mg diorites.
在达茂旗东北推喇嘛庙南15km的哈日哈达-车根达来地区,断续出露一套由变质橄榄岩、变质辉长岩、变质基性熔岩以及高镁闪长岩组成的蛇绿混杂岩。
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However, relating to investigate the modes, courses and characteristics of the orogenetic process in Paleozoic and after orogenetic process, the cognitive divergence have still occurred.
通过对新疆北东部地区不同构造区带构造作用的方式、过程和特点的研究,确定:①南天山榆树沟高压麻粒岩地体的正变质原岩是一个基本完整的蛇绿岩套,其经历了俯冲至下地壳的高压麻粒岩相、构造抬升至深地壳麻粒岩相以及快速构造折返至角闪岩相的变质过程,代表了南天山洋壳俯冲、变质、随后折返的过程,并首次确定了变质过程的PTt轨迹;②奥陶纪末期中天山北缘发生洋盆俯冲、地体增生作用,此时萨日达拉地区处于岛弧活动带;中石炭世晚期中天山小型洋盆关闭,准噶尔地块与伊犁—中天山板块斜向对接随后发生脆韧性质近水平高温低速右行走滑剪切;③根据巴音沟地区不构成蛇绿岩套有效成分的硅质岩具有与活动大陆边缘密切相关的地球化学特征以及洋中脊玄武岩显示其岩浆源区受到消减带流体交代作用的影响,结合区域地质资料,首次提出巴音沟蛇绿岩带所代表的洋盆古构造环境为弧后盆地,并于早石炭世至中石炭世末期间,经历了扩张、收缩和闭合过程;④首次在克拉麦里蛇绿混杂岩带中分解出具有N-MORB、T-MORB与OIB三种不同类型的火山岩岩石组合,反映了洋盆俯冲
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The metamorphic peridotites display SiO2 (39.08%~40.45%),TiO2 (0.02%~0.03%), Mg′(87.10~90.33). The metamorphic gabbros show geochemical characteristics of enriched in LILE, and depleted in HFSE. Furthermore, there are some high-Mg diorites exposed. In summary, the Daomaoqi ophiolitic mélange formed in a supra-subduction zone.
其中,变质橄榄岩类SiO2含量为39.08%~40.45%,TiO2含量为0.02%~0.03%,Mg′为87.10~90.33,;变质辉长岩表现为大离子亲石元素K、Rb、Sr、Ba明显富集,高场强元素Nb、Ta、Zr相对亏损,以及高镁闪长岩的出露都与SSZ型蛇绿岩特点相符。
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The coesite-diamond-bearing eclogite distributed in the northern part of the UHPM belt suffered three stages of metamorphism. The first stage is the Ep amphibolite facies metamorphism, which is represented by the paragenesis of phe+Qtz+Cro/Bar Bar+Ep+Ab occurred as inclusions in Grt and Omp; The second stage is the peak metamorphism of eclogite facies with mineral assembledge of Grt+Omp+Coe±Dia±Ky±Zo±Phe+Rt. The P -T condition is 800±50℃,≥28Kb; The third stage is the amphibolite facies retrograded metamorphism from the peak one, which can be divided intothe early amphibolite facies stage with the mineral assembledge of Amp+ Pl+Di+Qtz±Ep+Ilm/Ttn and the late greenschist facies one with the mineral assembledge of Ep+Chl+Bi+Tr+Ab.
分布于超高压变质带北侧的柯石英榴辉岩经历了3个阶段的变质作用:(1)早期绿帘—角闪岩相阶段,以出现在石榴石和绿辉石中的包体矿物多硅白云母、石英、冰蓝闪石或青铝闪石、钠长石等为代表;(2)峰期柯石英榴辉岩相阶段,其矿物组合为Grt+Omp+Ky+Phe±Zo+Coe±Dia+Rt,其变质温度压力为800±50℃,≥28Kb;(3)退化变质作用阶段,早期为角闪岩相,以Amp+Pl+Di±Ep+Qtz+Tit等退变矿物组合为代表;晚期为绿片岩相,以绿帘石、绿泥石、黑云母、透闪石及钠长石等矿物为代表。
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This paper has investigated the microstructures, quartz fabrics, and mineral chemistry of mylonites from the ductile shear zone of the granite-greenstone belt in Seerteng area, Inner Mongolia. Synthetic analyses reveal that the mylonites underwent four evolutionary processes of deformation and metamorphism, such as lower-amphibolite facies regional metamorphism, retrograde epidote-amphibolite facies metamorphism and deformation, progressive recrystallization and retrograde greenschist facies metamorphism and deformation.
通过对色尔腾山地区花岗绿岩带中韧性剪切带的糜棱岩显微构造、石英组构、矿物化学等综合分析,发现该区糜棱岩在经历了低角闪岩相区域变质及绿帘角闪岩相退变质变形之后,发生了不均匀进变质重结晶作用及中低绿片岩相退变质变形等几个演化阶段。
- 更多网络解释与闪绿岩相关的网络解释 [注:此内容来源于网络,仅供参考]
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diorite:闪绿岩
diolein 二油精 | diorite 闪绿岩 | diose 双糖
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quartz diorite:石英闪绿岩
4409,"quartz arenite","石英アレナイト" | 4410,"quartz diorite","石英闪绿岩" | 4411,"quartz keratophyre","石英角斑岩","石英ケラトファイアー"
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diorite soil:闪绿岩土壤
dioecism 雌雄异株 | diorite soil 闪绿岩土壤 | diosgenin 薯蓓甙元
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ophite:蛇纹石;蛇纹岩;纤闪辉 绿岩
ophiolitiferous nappe 蛇绿岩质推覆体 | ophite 蛇纹石;蛇纹岩;纤闪辉 绿岩 | ophitic texture 辉绿结构
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kullaite:斑状闪长岩,微斜辉绿岩
滑绿石,绿泥间滑石 kulkeite | 斑状闪长岩,微斜辉绿岩 kullaite | 库伦堡取芯管 Kullenberg corer
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ollenite:绿帘金红角闪片岩
olivinfree basalt 无橄件武岩 | ollenite 绿帘金红角闪片岩 | omphacite 绿辉石
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ophiolitic suite:蛇绿岩组,蛇绿岩系,蛇绿岩套
蛇绿岩系 ophiolite suite | 蛇绿岩组,蛇绿岩系,蛇绿岩套 ophiolitic suite | 纤闪辉绿岩 ophite
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ophiolitic copper deposit:蛇绿岩铜矿
"蛇绿杂岩","ophiolitic complex" | "蛇绿岩铜矿","ophiolitic copper deposit" | "纤闪辉绿岩","ophite"
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PERIDOTITIC KOMATIITE:橄榄镁绿岩
1870 BASALTIC KOMATIITE 玄武镁绿岩 | 1880 PERIDOTITIC KOMATIITE 橄榄镁绿岩 | 1990 KULAITE 闪霞绿玄岩
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timazite:绿磐闪安岩
timazite 绿磐闪安岩 | timber piled jetty 木桩突栈桥码头 | timber sheet pile bulkhead 木板墙护岸