查询词典 magmatic

According to geological characteristics of mineral area,geological conditions of mineralization,geochemical characteristics,material sources of mineralization,mineralization patterns,as well as physical and chemical conditions of mineralization,it summarize the mineralization pattern and genesis of ore deposit of Xianghualing mining areas,considering that mineralization materials in this deposit mainly come from magma,genesis patterns of deposit include high-temperature gas-liquid Nb、Ta deposit related to albitization laying in or on the edge of granite rock bodies,median-high temperature Skarn Sn,Be deposit related to skarnized laying at the inner contact-belt of granite and carbonate rock bodies;median-high temperature cassiterite -sulphide mineral deposit related to skamized laying at outer contact-belt of granite and carbonate rock bodies and median-low temperature hydrothermal liquid Pb-Zn-Ag deposit related to silicification,fluorite, propylitization laying in wall rocks;Series of generalized magma- hydrothermal liquid type Sn-polymatellitic related to magmatic activity in Yanshan period as a whole.

通过对矿区地质特征、成矿地质条件、地球化学特征、成矿物质来源、成矿作用、矿化型式以及成矿物理化学条件的分析，总结了香花岭矿区的矿床成因以及成矿模式，认为香花岭锡多金属矿成矿物质主要来源于岩浆，矿床成因类型包括花岗岩体内及其边部产出的与钠长岩化有关的高温气液型Nb、Ta矿床、花岗岩体与碳酸盐岩内接触带产出的与矽卡岩化有关的中高温矽卡岩型Sn、Be矿床、花岗岩体与碳酸盐岩外接触带产出的与矽卡岩化有关的中高温锡石硫化物矿床以及围岩中产出的与硅化、萤石化、青磐岩化有关的中低温热液型铅锌银矿床，整体构成与燕山期岩浆活动有关的广义岩浆热液型锡多金属成矿系列

Its main aims include:(1) understanding the magmatic processes of the volcanic rocks and their petrogeneses;(2) discussing the possible enrichment processes induced by subduction of continental slab;(3) providing geochemical constraints on the nature of lithosphere (including the subcontinental lithospheric mantle and lower crust) of the different tectonic units confined by the major faults across the belt; and (4) geochemical comparison of the lithosphere in an attempt to define the possible boundary between the North China and Yangtze Blocks during Mesozoic time.

中文摘要：项目开展了穿越苏鲁造山带南北向晚中生代火山岩及相关火成岩的廊带剖面(包括苏鲁带的胶东、青岛、滁州和下扬子地区的溧水盆地)的地球化学研究，理解各区块晚中生代岩浆作用过程和成因，探索大陆俯冲作用的地幔富集过程以认知各主要断裂围限地区的岩石圈性质；通过对比不同地区的岩石圈性质来限定苏鲁地区华北与扬子陆块的中生代碰撞边界。

The results show that there are some differences in the degree of 〓O enrichment for the different types of magmatic rocks, and their sequence of 〓O-enrichment is as follows: acid rocks ＞ neutral rocks ＞ basic rocks ＞ ultrabasic rocks.

结果表明，不同类型岩浆岩氧同位素分馏性质是有差异的，其〓O富集顺序在热力学平衡时为：酸性岩＞中性岩＞基性岩＞超基性岩。

These three ductile to ductile-brittle meso-shallow deformational belts made up a complete plate （micro-landmass） condensation zone, indicating that the Kalatongke island arc underthrust, towards northeast to east, the Keketuhai-Qinghe magmatic arc, then a continent-arc collision occurred.

结合区域地质分析，可认为这3个变形带共同组成一个完整的板块聚合变形带，显示喀拉通克岛弧以北东偏东方向俯冲于可可托海-青河陆缘岩浆弧之下，并发生弧-陆碰撞。

Study on the petrochmical,trace element chemical,REE geochemical and Pb isotopic geochemical characteristics of the Tongshan intrusive indicates that the quartz diorite,granodiorite and adamellite are products of three stages of the same periodfrom only one magmatic source.

通过岩石化学、微量元素地球化学、稀土元素地球化学、铅同位素地球化学特征研究表明，铜山石英闪长岩、花岗闪长岩、二长花岗岩是同一岩浆源同一时期三个侵入阶段的产物，铜山岩体幔壳同熔型的复式岩体，属太平洋钙碱性岩石系列。

It is composed of Himalaya period potassic alkalic magmatic rock. The zone is 3700 kilometres.

碱性岩是除幔源岩石包体外另一类可提供地幔信息的岩石，是窥探地幔的窗口。

The mineralization temperature is in a range of 90℃~300℃, and the mineralization fluid is a combination of slightly acidic-slightly alkalic precipitations, seawater and magmatic water.

其成矿温度在90~300℃之间，成矿流体为低盐度的弱酸性－弱碱性大气降水、海水和岩浆水的混合溶液。

By the research on the high coalrank coalbed methane reservoir of the Qinshui basin including the study of the coalbed thermal evolution level, the temperature and pressure of inclusion in calcite or quartz reef in coalbearing strata, the palaeogeothermal analysis of the fission track of apatite and zircon, the anogenic isotopic age, and the geothermal flux caused by magmatic activity, we have proved the existence of the tectonic thermal event.

通过对沁水盆地高煤阶煤层气藏的实例进行剖析，从煤层的热演化程度，煤系地层的方解石脉、石英脉体中的包裹体温度和压力，磷灰石、锆石的裂变径迹古地温分析，中生代火成岩的同位素年龄，岩浆活动产生的大地热流值方面证明了构造热事件的存在。

E. , the middle Devonian sedimentary event, which sedimented a suite of epicontinental -coasta1 paraf1ysch formation (the litholcgy was consisted of low fractoin feldspare sandstone and siltstone, and a layer of argilliferous limestone); secondly, the late Variscan magmatic-tectonic event , three biotite diorite batholiths ( previous K-Ar model isotope age was about 220～260Ma and our two -stage common lead isotope age was 260+ 70Ma) and a large number of fracture-controlled quartz diorite veins intrude, and a series of NS distributed tightly complex folds and fractures were developed; thirdly, the late Paleozoic very 1ow grade metamorphism- deformation event, the chlorite-illite crystallinity indices (Δ°2θ) XRD measurements were about 0.25～0.29, which was correlated to the lower part of the anchimetamorphism, and the extremely dense schists were developed throughout the district outcrops

相当于近变质带的下部，并形成切穿矿区几乎所有主要地质体的窃集片理，这与有限相系浅变质碎屑岩的基本宏观地质特征相吻合

The same set of ductile-rheologic shear deformational augen granite samples in the Yunkai uplifted area are measured by whole-rock Sm-Nd, Rb-Sr isotopic dating system method, obtaining respectively 1414±68Ma for Sm-Nd isochron age and 490±36Ma for Rb-Sr isochron age. These ages are respectively interpreted as the time of the granitic rock formation and the time of the tectono-thermal event of ductile-rheologic shear partial melting in Caledonian, indicating that the orogeny not only took place in Caledonian, but also the more important tectono-magmatic orogeny in the late Mesoproterozic Era and can be compared with the time of global Grenville orogeny.

对云开核部韧性-流变剪切变形眼球状花岗岩石样品进行了全岩Sm-Nd、Rb-Sr同位素年龄测定，获得1414±68Ma的Sm-Nd等时线和490±36Ma的Rb-Sr等时线年龄，它们分别代表这套花岗岩的形成时代和加里东期韧性-流变剪切部分熔融构造热事件发生时间，表明云开地区不仅在加里东期发生造山运动，而且在中元古晚期发生了更为重要的构造—岩浆造山运动，其时代与全球性的格林威尔造山运动时间可以对比。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。