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结晶构造学 的英文翻译、例句

结晶构造学

基本解释 (translations)
crystallology

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This thesis studies the volcanic tectono-petrofacies, petrology, mineralogy, geochemistry, isotopic chronology, stratum and high-precision SHRIMP zircon U-Pb datings of the Mt.Yandangshan volcano-intrusive complex, and concludes that: Yandangshan volcanic rock units belong to high-K calc-alkaline acid rock associations, mainly ryholitic and trachytic dacitic in composition. They have A/CNK values of 0.9-1.2 (i.e., aluminium saturation and supersaturation), enriched LREE and LILEs and depleted HFSE. Their 8Eu values are 0.11-0.32, indicating a evident fractional evolution of plagioclase crystallization. Their ∑REE varied very limitedly,(87~Sr/(86)Sri ratios and eNd values are 0.7086~0.7095 and -10.20~-9.96 for volcanic rocks, and 0.7087~0.7095 and -7.6~6.92 for the central intrusive facies syenite, which means that all the igneous rocks from Mt. Yandangshan are evolutional products of magmas with the same source, and that they derived mainly from crust, but mixed with mantle components.

本文从火山构造岩相学、岩石学、矿物学、地球化学、同位素年代学、地层学等方面出发,同时结合高精度SHRIMP锆石U-Pb定年,对雁荡山火山岩进行了系统的研究,确定雁荡山火山岩为一套以流纹质和粗面英安质为主体的高钾钙碱性酸性岩石组合,A/CNK值集中在0.9~1.2之间,为铝饱和或铝过饱和类型;富轻稀土元素和大阳离子亲石元素、相对亏损高场强元素:负铕异常明显,δEu值为0.11~0.32,表明岩浆经历了以斜长石为主的强烈结晶分异作用:岩石样品的∑REE变化有限,火山岩样品的~(87Sr/~(86)Sr_i为0.7086~0.7095,εNd为-10.20~-9.96,中央侵入体石英正长岩~(87Sr/~(86)Sr_i为0.7087~0.7095,εNd为-7.6~-6.92,表明它们是同源岩浆分异演化的产物,物质来源主要为陆壳,但有地幔物质参与。

Focusing on the PGE enrichment mechanism in the basic-ultrabasic intrusions in the Panxi rift, firstly, through the interpretation of TM photograph, data processing of regional geochemical exploration and geophysical prospecting results of gravity, magnetic force and seism, we analyzed the controlling effect of structure and magmatic movement on the PGE mineralization; Secondly, through the study of volcanic apparatus, petrography, measurement of comprehensive geochemical section, isotope tracing and dating of typical PGE-rich melanocratic rock series, we discussed the sources of the PGE-bearing mafic-ultramafic intrusions and basalts, their timing, evolvement sequences, the geochemical processes of magma crystallization and fractionation, and the relationship between magma evolution and structural development; Finally, through the analysis of PGE and chalcophile elements concentrations in the melanocratic rock series and the contrastive study with the Noril''sk magmatic Ni-Cu-PGE sulfide deposit, its related continental flood basalts and Siberia Traps, we discussed PGE mineralization characteristics and its enrichment mechanisms in the melanocratic rock series in the Panxi rift.

本项目首先围绕川西地区主要的PGE矿床及伴生矿的地质环境和有关的地质构造背景,通过TM卫片解译、区域化探和重、磁及地震物探资料分析,总体把握构造及岩浆活动对PGE成矿的控制作用;然后通过对典型富PGE暗色岩套的火山机构地质构造、岩石岩相学、地球化学、同位素定年和示踪等方面的工作,分析本区基性-超基性含矿岩体与喷出岩之间的成岩物质来源、侵入时代及演化序列,研究该区同一岩浆房分异结晶的地球化学过程及其随构造发展的耦合关系;最后通过对暗色岩套PGE地球化学剖面分析以及与俄罗斯诺里尔斯克陆内裂谷溢流型玄武岩中PGE矿化的岩石-构造环境对比研究,探讨该区暗色岩套中的矿化特点和富集部位及其PGE富集机制。

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structural discordance:构造不协和

构造结晶学 structural crystallography | 构造不协和 structural discordance | 构造地震 structural earthquake

crystallology:结晶构造学;晶体学

结晶构造 crystal structure | 结晶构造学;晶体学 crystallology | 结晶核心 crystallization nuclei

crystallology:结晶构造学

结晶度crystallinity | 结晶构造学crystallology | 结晶化crystallization

crystallology:晶体学/结晶构造学

crystalloid /结晶状的/透明的/晶体/晶质/假结晶/ | crystallology /晶体学/结晶构造学/ | crystallon /籽晶/