| 释义 |
Devonian System
基本例句
泥盆系
The hydrofracturing breccia is formed by deep rich-sodic and gold-hosted fluid hydrofracturing in a set ofDevonian systemhot-water sedimentary rich-sodic rocks.认为该水压角砾岩体是深源富堿含金流体在泥盆系一套热水沉积的富钠质岩系中发生水力压裂作用形成的。
The orebodies controlled by ductile shear zone, which are lenticular and bedded, are in interlayer fault zone betweenDevonian systemand Carboniferous system.矿体受韧性剪切带控制，以似层状、透镜状赋存于泥盆系与石炭系间的层间断裂带中。
The microelement signature of the sphalerite in the QinlingDevonian systemLead-zinc metallogenic beltindicates that the deposits belong to submarine exhalation-sedimentary.秦岭泥盆系铅锌成矿带中闪锌矿微量元素特征表明矿床属海底喷气成矿，成矿流体温度为低温。
Devonian systemand Indo-Chinese granite are two main source rocks and enrichment systems.不同容矿岩系中的矿化虽有不同,但有一定的成因联系。
In the initial stage of Devonian Period, seawater is onlaped gradually from the south to the north caused by transgression, so the bottom part ofDevonian systemis constituted by a set of transgressive clastic sedimentary rock.泥盆纪初期 ,海水由南而北逐渐海侵超覆 ,在泥盆系的底部形成一套海侵碎屑岩系地层 ; |