震旦系的英文

sinia ystem

sinian system

• 系:    system; series
• 震旦纪；震旦系:    sinian
• 震旦:    zan tahn

例句与用法

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1. The ayadeng and sailinhudong formations were established in the 1970 ' s by the regional geological survey , and the former was considered to belong to the proterozoic baiyunebo group and the later belonged to the sinian system
   摘要阿牙登组和腮林忽洞组是上世纪70年代1 / 20万区调建立的地层单位，当时将阿牙登组置于白云鄂博群，腮林忽洞组归于震旦系。
2. According to the type and scale of stratigraphic contact , four synthems such as basement ( pre - sinian ) , lower ( palaeozoic ) , middle ( mesozoic ) and upper ( cenozoic ) are divided , and seven sub - synthems are subdivided
   本文依据地层接触关系的类型和规模，将本区划分为基岩(前震旦系) 、下(古生界) 、中(中生界) 、上(新生界)四个构造层和内部的七个构造亚层。
3. Through the analysis of geological characters in huanglianken manganese ore district , such as ore potentiality , ore controlling structures , ore depositing structures , orebody characteristics , ore type and so on , the author concluded that sinian stratum is the " primary source bed " , detachment structure is the migrating channel of ore - forming materials , favorable concentration and hosting place
   通过对黄连坑锰矿区地层的含矿性、控矿构造及容矿构造、矿体特征、矿石类型等地质特征的论述，认为震旦系地层是“初始矿源层” ，滑脱构造对成矿物质起迁移、富集及容矿作用。
4. Based on the study on ree distribution characteristics of sinian low grade metamorphic rocks of the basement and cover volcanics , the author makes a discussion on the material source and the genesis of xiangshan volcanics , and suggests that xiangshan volcanics came mostly from the remelting of the upper crust , and the genesis should be attributed to the category of remelted granites
   摘要本文通过对相山火山盆地基底震旦系浅变质岩、盖层火山岩稀土元素分布特徵的研究，探讨相山火山岩的物质来源及岩石成因，认为相山火山岩主要是上部地壳重熔的产物，其岩石成因应属于重熔型花岗岩的?畴。
5. Studies on geology of the deposits and geochemistry of trace elements , rees , isotopes , ore - forming fluids show that the ore - forming materials came from varied sources . ore - forming materials of the tianbaoshan deposit was chiefly derived from different sedimentary rocks of the upper crust and orogen , while those of the daliangzi deposit mainly from the sinian dengying formation . meteoric waters were the major source of the ore - forming solution
   矿床地质特征以及常微量元素、稀土元素、同位素、成矿流体等地球化学特征的研究表明，矿床成矿物质是多来源的，天宝山矿床成矿物质主要来自上部地壳和造山带各种沉积岩，大梁子矿床成矿物质主要来自震旦系灯影组地层；两个矿床成矿溶液主要来自大气降水；硫大部分来源于同时期的海相沉积地层(震旦系灯影组)中被细菌还原的海水硫酸盐。