oceanic ridge

基本解释

In addition, the activity of mid-oceanic ridge, plate formation and some other problems are analysed in the model.
这个模型初步解释了洋中脊的形成和它的大尺度结构，并进一步对洋中脊的活动性及板快形成等问题作了分析。
The volcanic rocks in the belt are different from these of typical mid oceanic ridge, and similar to those of back arc basin in lithogeochemical feature.
所产的火山岩与标准洋中脊不同，其岩石化学特点与弧后盆地相吻合；
Based on petrological and geochemical characters of REE and some inert miner elements, it is suggested here th at the basalt′s of the ophiolite suite is of oceanic ridge type.
其岩石学和REE与相对惰性微量元素的地球化学特征表明，该蛇绿岩中的玄武岩属洋脊型；

any section of the narrow, largely continuous range of submarine mountains that extends into all the major oceans and at which new oceanic lithosphere is created by the rise of magma from the earth's interior &rarrsee also sea-floor spreading