查询词典 alluvial deposit

L the normal zonning in order of greisen type tin deposit 〓tourmalite type tin deposit 〓 cassiterite quartz type tin deposit 〓cassiterite sulfide tin deposit copper-lead-zinc 〓 sulfide deposit 〓lead-zinc sulfide deposit 〓antimony deposit, which may be related to the high-level em placement of the intrusions;2 the reversed zoning in order of lead-zinc deposit 〓copper-lead-zinc deposit 〓tin polymetallic deposit, which may be result from the descending of heat centre of the intrusions with their cold and solidification.

该成矿系列的矿床在空间上有序分带，即以岩体为中心的顺向分带为：云英岩型锡矿床〓电英岩型锡矿床〓锡石石英型锡矿床〓锡石硫化物型锡矿床〓铜铅锌金属硫化物矿床〓铅锌硫化物矿床〓锑矿床，逆向分带为：锡多金属矿床〓铜铅锌硫化物矿床〓铅锌硫化物矿床，造成这种分带现象的内在因素是高热能且富含矿热液的黑云母花岗岩的高侵定位和岩体热中心的向下移动。

The study results show that:①The distribution of Cd in shallow surface soils is characterized as: The content of Cd in lacustrine deposit, alluvial lacustrine and alluvial-diluvial low-lying plain is 1.4 to 1.8 times as high as in alluvial-diluvial high valley flat and alluvial-diluvial high bank physiognomy areas.②The content variation of Cd in horizontal distribution was controlled by clay primarily and OrgC secondly. The variation of OrgC was major factor that affected the content variation of Cd in vertical distribution.

结果表明：①研究区浅层土壤中w的分布特征为，湖积低平原区、冲－湖积低平原区及冲洪积低洼平原区地貌成因类型土壤中的含量明显高于冲洪积高漫滩平原区、冲洪积高亢平原区地貌成因类型土壤，其质量分数差异达1.4~1.8倍；②研究区不同地貌成因类型土壤中，w的横向分布特征主要受黏粒含量分布的控制，其次是wC(下标 org；垂向分布特征的主要控制因素是wC

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

According to geologic settings, distribution regularities of ore deposit and major metallogenesis in metallogenic belts, it was thought that typical deposits in metallogenic belt of North of Eastern Kunlun is Kendekeke SEDEX-hydrothermal diplogenetic Co, Bi, Au deposit and Baiganhu hypothermal W, Sn deposit, that in metallogenic belt Middle of Eastern Kunlun is Wulonggou orogenic gold deposit, that in metallogenic belt South of Eastern Kunlun is Tuolugou SEDEX Co deposit, and that in metallogenic belt of A'nyemaqen-Bayan Har is Dachang orogenic gold deposit.

通过对各成矿带的地质背景、矿床分布规律和主要成矿作用进行研究，认为东昆北成矿带的典型矿床包括肯德可克热水喷流沉积-热液叠生改造型钴、铋、金矿床和白干湖高温热液型钨、锡矿床；东昆中成矿带的典型矿床是造山型五龙沟金矿床；东昆南成矿带的典型矿床是驼路沟热水喷流沉积型钴矿床；阿尼玛卿-巴颜喀拉成矿带的典型矿床是大场造山型金、锑矿床。

The gold deposit types are com plicated,can be divided into five types;hydrothermal breccia gold deposit,similar beded disseminated gold deposit in limestone,old karst cave gold deposit,porphyry gold deposit and skarn gold deposit.The form of these gold deposits are related to Tongshi subvoleanie complex.

该区金矿形戚与铜石次火山杂岩体有关，区内金矿类型复杂，可划分为隐爆角砾岩带型金矿、似层状畏染状灰岩中金矿、古溶洞型金矿、斑岩型金矿、矽卡岩型金矿等5种矿化类型。

The sedimentary environment divided in to fluvial deposit and lacustrine deposit. The sedimentary evolution of each depositional circle usually began with alluvial channel to fluvial deposit, and evolved into lacustrine deposit which is mainly made up of shore-shallow lake sedimentary model with relatively stirring hydrodynamic condition.

其沉积环境主要可以分为河流沉积和湖泊沉积两种类型，每一个沉积旋回都是以洪积扇到河流相沉积开始，向湖泊相沉积演化，湖泊沉积阶段主要以湖水相时动荡的滨浅湖沉积为主。

The sedimentary environment divided into fluvial deposit and lacustrine deposit. The sedimentary evolution of each depositional circle usually began with alluvial channel to fluvial deposit, and evolved into lacustrine deposit which is mainly made up of shore-shallow lake sedimentary model with relatively stirring hydrodynamic condition.

其沉积环境主要可以分为河流沉积和湖泊沉积两种类型，每一个沉积旋回都是以洪积扇到河流相沉积开始，向湖泊相沉积演化，湖泊沉积阶段主要以湖水相对动荡的滨浅湖沉积为主。

After the investigation and study on Alluvial Tin deposit in Changning Dayishan Mine,Conclude that its geologic setting mainly iles in its structure and land form a proper scale of Alluvial Tin deposit were found in the limestone solution cave around Dayishan granite body.

提出了在大义山花岗岩体外围灰岩溶洞发现了一定规模的砂锡矿床，并初步分析了形成原因。

Diamonds began growth when "Jiangnan continent" combined to Yangtze craton, the growth and residence average temperature T〓 was about 1200℃; Diamonds were mutil-stages growth and interruption caused by temperature and pressure varied during Yangtze craton activities; Diamonds were etched when the magma did not erupt on the surface and form failed magma in mantle; during the later growth term T〓＜1050℃, the type ⅠaA diamonds formed unclear and growth; Before the host magma erupted T〓＜0.5Ma, T〓A＜850℃, the type Ⅰb diamond formed unclear and growth; Few diamonds were brittle deformation during growth term, some were plastic deformation after growth; when the host magma erupted on the surface and weathered to alluvial deposit, diamonds surfaces formed green spots caused by irradiation, then most of green spots became to brown spots during a mid-temperature metamorphism; modern river reform it to alluvial deposit in the minute valley again.

在扬子地台&江南古陆&克拉通化时，金刚石开始生长，其生长与保存的平均温度T〓在1200℃左右；期间由于地台的活动，生长的温度压力条件发生了多次变化，使金刚石出现多次生长、停顿；夭折的母岩上侵活动使金刚石受到熔蚀作用；在金刚石形成的晚期，T〓值下降到1050℃以下，出现了另一次金刚石的生长期，在临近金刚石母岩上侵时T〓＜0.5Ma，温度进一步降到850℃以下，使Ⅰb型金刚石得以保存；在金刚石形成期间还有过碎性变形发生；金刚石形成后部分样品经过了塑性变形；金刚石在上侵过程中，遭受了强烈的熔蚀；在母岩露出地表，形成沉积砂矿时，受到了放射性物质的辐照，先形成表层的绿色斑点、壳层，后经过中低温的热变质作用，大部分绿色转化为褐色；现代河流作用对沉积砂矿进一步改造，形成现在的细谷型砂矿。

A model used to simulating the deposit thickness overlapped by the deposit profiles of multiple circumrotate cycles was established. This model was applied to simulate the deposit thickness with different pitch of the deposit track, and the optimum condition of movement parameters was obtained under which homogeneous deposit surface can be prepared.

建立多旋转周期沉积轮廓叠加的单层沉积厚度模型，利用该模型在不同沉积轨迹螺距下，对沉积厚度进行计算仿真，获得保证均匀沉积面的运动参数优化条件。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。