oceanic ridge

基本解釋

In addition, the activity of mid-oceanic ridge, plate formation and some other problems are analysed in the model.
這個模型初步解釋了洋中脊的形成和它的大尺度結(jié)構(gòu)，并進一步對洋中脊的活動性及板快形成等問題作了分析。
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.
所產(chǎn)的火山巖與標(biāo)準(zhǔn)洋中脊不同，其巖石化學(xué)特點與弧后盆地相吻合；
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.
其巖石學(xué)和REE與相對惰性微量元素的地球化學(xué)特征表明，該蛇綠巖中的玄武巖屬洋脊型；

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