交代矿物

Dawsonite is an orthorhombic, hydrated sodium aluminium carbonate appearing as radial, bunchy, trichoid platy collective and so on, filling in the pores among the grains, or as replacement of feldspar and detritus partly or on the whole, dawsonite is a kind of authigenic mineral which formed latest.

片钠铝石是一种斜方晶系、含水、钠和铝的碳酸盐矿物，砂岩中的片钠铝石是最晚形成的自生矿物之一，一般以放射状、束状、毛发状、板状等分布于砂岩的孔隙中或交代长石和岩屑等。

Optical microscope, scanning electron microscope and X-ray diffraction analysis have revealed that dawsonite mainly occur in the feldspar-rich sandstone and pyroclastic rocks, either as cements filling inter-grain pores as radical, bunchy, rosette, intricately trichoid, and platy collectives, or as replacement of feldspar and lithic grains with bunchy and paty shapes.

片钠铝石主要发育在油气储层或CO2气储层中富含长石的砂岩和火山碎屑岩中。在含片钠铝石砂岩和火山碎屑岩中，片钠铝石以放射状、束状、杂乱毛发状、球状和板状等集合体充填孔隙，或呈束状和板状交代长石和岩屑。片钠铝石及其共生的铁白云石都是最晚形成的自生矿物组合。

The mineral chemistry, trace elements and Sr-Nd isotopic geochemistry of different types of deep-seated inclusions indicate that Group Ⅰinclusions in western Shaudong could be the relicts of high degree of partial melting of the mantle-derived peridotites and then subjected to mantle metasomatism; the dunite and harzburgite in Group Ⅱ inclusions could be resulted from the metasomatism of silica-rich melts in the upper mantle; the olivine-pyroxenite and pyroxenite in Group Ⅱ and Group Ⅲ inclusions could be magmatic cumulates derived from magma underplating in the upper mantle.

不同结构类型深源岩石包体的矿物化学、元素和同位素地球化学研究表明，鲁西具有变质变形结构特征的橄榄岩类岩石包体为岩石圈地幔橄榄岩部分熔融后的残留体，其后又遭受了地幔交代作用的改造；具有变质变形结构，并叠加有矿物反应结构的纯橄岩和方辉橄榄岩类包体为古老岩石圈地幔被富硅质熔体改造的结果；具有残留岩浆结晶结构的橄榄岩、橄辉岩类岩石包体以及具有变晶结构或堆晶结构的辉石岩类包体为地幔更早期岩浆作用的在上地幔的堆积体。

It is concluded that microcrystalline silicate and magnetite show characteristics of liquation in the back-scattered electron image.

本文研究认为，硅酸盐矿物与磁铁矿在背散射电子图像中表现为熔离特征，这种在透光显微镜下呈黑色不透明的微晶固体，是引发交代蚀变、具熔浆流体特点和超临界流体性质的地幔流体交代作用的一种微观表现。

In four-facies peridotite, clinopyroxene contains abundant information concerning partial melting and mantle metasomatism due to its low melting point.

在无水"干"体系的四矿物相橄榄岩中，单斜辉石由于熔点低而通常记录着丰富的部分熔融作用和地幔交代作用信息。

Is around ore shoots to be distribute with symmetry, that show the block and brecciated ores of the Tongmugou zinc deposit are fluid metasomatic reformed deposit.

后生流体交代岩（主要由透闪石、绿帘石、透辉石、黑云母、石英、绿泥石等矿物组成）显著受层间断层控制，它是流体交代原热水沉积层和热水沉积闪锌矿纹层而形成的，该矿床为热水沉积-流体交代改造矿床。

The ore structural fabric mainly behaves in form of filling action with minerals such as pyrite, chalcopyrite, salenite, blende and electrum, which typomorphic feature shows a hypothermal pattern of metallogeny.

矿区内矿体规模巨大，矿石组构主要为以充填交代作用为主，矿石矿物主要为黄铁矿、黄铜矿、闪锌矿、方铅矿和银金矿。而且矿物的标型特征显示了低温成矿的特点。

The main characteristics of the skarn are as follows:(1)occurring as bedded,para-bedded in the contact zone between carbonate and microclastic rock,and its occurrence being accordance to the strata;(2)cut by later vein rock,so having no relation with the magmatic rock on genesis;(3)metasomatic skarn having replacement remnant texture,pseudobreccia structure,while depositional skarn,particulate crystall...

研究表明该夕卡岩的主要特征为：(1)呈层状、似层状赋存于碳酸盐岩和细碎屑岩接触带，产状与地层一致；(2 )被后期脉岩穿切，成因上与岩浆岩无关；(3)喷流交代夕卡岩具交代残余结构和假角砾状构造，而喷流沉积夕卡岩具微粒状结构、雏晶结构和层纹、条纹、条带状构造，反映了二者不同的喷流成因；(4)发育典型的低温夕卡岩矿物组合，其形成温度小于30 0℃；(5 )夕卡岩的稀土配分型式与围岩的一致。

Ore deposit, have been studied detailly; the orebody pattern (sedimental bedded ores combined with stringer ores of hydrothermal origin) is also outlined; four metallogenic epoches are devided; the zoning of mineralization (including zones of ores, elements, mineral assemblages and temperature of mineralization) have been depicted; the main types of wall-rock alteration are characterized as propylitization of basic rocks and pyritization-sericitization-silicification of acidic pyroclastic rocks; the origin of ores and seven kinds of main minerals have been studied; and the metamorphism and deformation of orebodies is thought mainly due to the shearing and the intrusion of subvolcanic rocks

研究了七个矿化带特别是I号矿床的矿床地质特征，描绘了矿体的双层结构(沉积矿石与热液充填交代的细网脉状矿石)，划分了四个成矿期次，区分了矿化分带(包括矿石组构的成因分带、元素分带、矿物组合分带、温度分带)，指出了围岩蚀变的主要特征是细碧岩青盘岩化而石英角斑质凝灰岩黄铁绢英岩化；对矿石及七种主要矿石矿物的成因作了研究；探讨了矿体的变质、变形，指出韧性剪切及次火山岩侵入的热力作用和应力作用是导致矿体变质变形的主要原因

A petrographic analysis combined with electron microprobe analysis and SEM shows that black opaque matters, whose composition is mostly of microcrystalline silicate and magnetite, are widely found running reticulately through mineral particles, crystals and cleavage cracks in association with metasomatic alteration in the mafic-ultramafic xenoliths and their host rocks.

经岩相学和电子探针及扫描电镜分析发现，伴随交代蚀变，寄主岩和各类镁铁-超镁铁质包体岩石中，普遍发育沿粒间和矿物晶体裂隙或解理纹贯入或穿插的黑色不透明物质，主要由微晶硅酸盐矿物和磁铁矿组成。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。