查询词典 ultrabasic

In meymechite dike and phogopite-plagioclase peridotite dike, MgO content respectively is 28.86%～ 32.78% and 27.28%～ 34.99%., they belong to the ferrguinous ultrabasic rock .

玻质纯橄岩脉和金云斜长橄榄岩脉，它们的MgO含量分别为28.86％～32.78％和27.28％～34.99％，属于铁质超基性岩。

"The potassic and sodic mantle alkali-rich magma systems" are the integral of all ig-neous rocks that are formed in a short geological period, and include the ultrabasic, basic, inter-mediate and acidic alkali-rich rocks along deep faults.

钾质富碱岩浆岩组成的岩带研究表明，这类岩石普遍富碱和CaO，高钾，富Rb，Sr，Ba和放射性元素Th，U等，Rb/Sr相对较低；稀土元素总量较高，强烈富轻稀土，δEu较小；I_多数介于0。

Jasper produced in the northern Tianshan ultrabasic rocks put, a green jasper, massive, delicate texture and resilience, the mineral composition of the tremolite - from stone-series.

碧玉产于北天山超基性岩带上，碧玉呈绿色，块状，质地坚韧细腻，组成矿物属透闪石-阳起石系列。

The time sequence of the Permian LIP development is as follows: Wajilitag layered rock mass→brecciated mica-olivine pyroxenite pipe→ basalt of Kupukuciman formation(278-292 Ma)→basalt of Kaipaicileike formation (272-288 Ma)→diabase and ultrabasic dikes→ syenite(277 Ma).

大火成岩省发育具有如下的时间序列：瓦吉里塔格地区的层状岩体→隐爆角砾云母橄辉岩岩筒→库普库兹曼组玄武岩(278×10^6~292×10^6a)→开派兹雷克组玄武岩(272×10^6~288×10^6a)→辉绿岩脉、超基性岩脉→正长岩(277×10^6a)。

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。

The main clues of the study are the emplacing stage of Jinchuan ultrabasic magma and the evolutional model of magma.Its main research contents are the metallogenic epoch,the ore-forming mechanism,the emplacement mechanism,the magma evolutional-metallogenic model of Jinchuan Cu-Ni sulfide Deposit,the geological characteristics and genesis ofⅠ-⑥Concealed Cu-rich orebody.Its purpose are to predict the prospecting target area in the depth and border of Jinchuan Deposit and serve the Jinchuan mine.

本文以金川超基性岩浆侵位期次、岩浆演化模式为研究主线索，以金川铜镍硫化物矿床的成矿时代、成矿作用机制、就位机制、岩浆演化—成矿模型、Ⅰ-⑥富铜隐伏矿体地质特征及成因研究为重点内容，以预测矿区深边部找矿靶区服务矿山生产为目的。

Results of the study demonstrate that arsenic in the surface soil of Chengdu basin has approximately six kinds of sources, among which sedimentary series of post-Triassic, Jurassic and Cretaceous systems along Longmen orogenic belt and acid magmatic and basic-ultrabasic rocks in the area are three main sources.

研究结果表明：成都盆地浅层土壤中砷的来源有6种，其中龙门山一带晚三叠纪、侏罗纪、白里纪沉积岩系和酸性岩浆岩及基性岩、超基性岩是成都盆地浅层土壤的主要来源。

It is inferred that the Baiceng basic-ultrabasic pluton originated from a mixed melting between an enriched lithospheric mantle and the continental crust rock formed in 409-450 Ma, responding to an extension of lithosphere at 84 Ma or so.

据此认为84Ma左右由于华南岩石圈伸展，软流圈地幔上涌，导致岩石圈富集地幔部分熔融，熔体上升过程中与409～450Ma左右形成的少量地壳岩石发生混染，随后快速侵位冷凝而形成基性-超基性岩墙。

These data indicate that Group B zircon grains are captured ones. It is inferred that the Baiceng basic-ultrabasic pluton originated from a mixed melting between an enriched lithospheric mantle and the continental crust rock formed in 409～450 Ma, responding to an extension of lithosphere at 84 Ma or so. This induced the upwelling of asthenospheric mantle.

据此认为84 Ma左右由于华南岩石圈伸展，软流圈地幔上涌，导致岩石圈富集地幔部分熔融，熔体上升过程中与409～450 Ma左右形成的少量地壳岩石发生混染，随后快速侵位冷凝而形成基性_超基性岩墙。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。