岩浆

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

The characteristic compositions of the stable isotopic and the fluid inclusions in Maoping mineral district show that the main sources of Pb origin the Upper Earths Crust, partly froin orogenetic belt and/or Emeishan basalt; the S isotopic composition hints sulfur sources from the seawater; The D and O isotopic compositions show that they emerge from the compound results of the magma water, metamorphic water, hosted water and rain water; the origination of the C isotopic shows that C resource strata.

脉石矿物D、O同位素组成代表了岩浆水、变质水、建造水及大气降水混合作用的结果；C同位素组成则反映来自受热液改造的含有机质的地层，说明地层受成矿流体溶解、淋滤、萃取而提供了部分成矿物质和储矿空间。

After highly fractionating, this Crrich magma formed massive chromite (i.e., Saertuohai chromite deposit), and the melt moved into the mantle rock, and formed the wormlike intergrowth texture consisting of Crspinel and orthopyroxene.

这种富铬岩浆高度分异形成铬铁矿块体后，熔体进入地幔岩中结晶形成铬尖晶石和斜方辉石的蠕虫状共生连晶结构。

After highly fractionating, this Cr-rich magma formed massive chromite (i.e., Sa' ertuohai chromite deposit), and the melt moved into the mantle rock, and formed the worm-like intergrowth texture consisting of Cr-spinel and orthopyroxene.

这种富铬岩浆高度分异形成铬铁矿块体后，熔体进入地幔岩中结晶形成铬尖晶石和斜方辉石的蠕虫状共生连晶结构。

Hydrogen and Oxy gen isotope compositions illustrate the ore-forming liquid is mainly magmatic water partly mixed with some meteorological water.

成矿流体的氢氧同位素结果表明本区的成矿溶液以岩浆水为主，混有部分大气降水。

On the paper, The Metallogenic laws of massive sulfide deposits and postmagmatic hydrothermal deposits in time and space are sumed up through main copper and polymetal deposits characteristics, ore-control factors, metallogenic chronology, ore-forming tectonics setting and paleographic reconstruction are studied.

本文在研究主要铜、多金属矿床地质特征和控矿条件基础上力图通过本区铜、多金属矿床的成矿年代学研究，结合成矿构造环境、成矿构造古地理的厘定，从时空两个方面探讨碧口地体块状硫化物矿床和岩浆期后热液矿床的成矿规律。

The high-sulfidation epithermal gold deposits generally show paragenetic relationship with porphyry copper-gold deposits.

我国东南沿海和西南太平洋地区不同类型浅成低温热液金矿床是不同构造岩浆背景下的产物。

The primary beryl crystals were crystallized early from the pegmatitic magma in association with rock forming minerals such as quartz, muscovite, albite and spodumene.

原生绿柱石形成于早期岩浆阶段，与造岩矿物石英、白云母、钠长石、锂辉石共生。

They are most abundant in quartz of pegmatitic leucosomes and granitic rocks, and represent the fluid appearing in their cooling stage. The DL(H2O) of such fluid is 0.93～0.96g/cm3 corresponding to P≈0.6GPa which is compatible with condition when the rapid decompression in this region was ended. 3 CO2-H2O two or three phases inclusions. They are the most widespread, and more frequently in clusters and in intragranular tails in quartz. The relative content of CO2+CH4 and H2O is considerably variable. They are also characterized with lower density (0.6～0.8g/cm3) and low pressure about 0.3～0.4GPa, and may be originated by mixture of carbonic liquid from breaking of most inclusions of peak stage and aqueous liquid of magmatic source. After entrapment, the further decrease of temperature to lower than 330℃ made such fluid separated to two or three phases.

主要集中于伟晶质脉体和花岗岩中，是这期岩浆冷凝过程析出的流体相当时就被封闭所成，密度为0.93～0.96g/cm3，相应压力约0.6GPa，这与峰期后迅速减压过程结束时的条件相符。3CO2-H2O两相和多相包体，分布最广，成簇状和拖尾状包体群，碳质和H2O相对含量很不均匀，整体密度相对最低，一般为0.6～0.8g/cm3，相应压力为0.3～0.4GPa，它们可能是大幅度减压过程中第一类包体大量爆裂析出的碳质流体与第二类H2O溶液流体在各处以不同比例混溶所成，它们被封闭后在降温至330℃以下时分裂成两相或三相包体。

All these characteristics suggest that the perlitic rocks might have originated from upper crust, and their pyroxene xenocrysts may be the results of assimilation and contamination of wall rocks during the migration and ascent of magma.

这些特征表明，珍珠岩原岩可能来自于上部地壳，其辉石等捕虏晶为岩浆上侵运移过程与围岩发生混染作用的结果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。