在大西 洋的海岭又称大洋中脊(mid-oceanic ridges)总长度达 70000km,高达3000m,宽达2000km。其间有中央裂谷(mid -oceanic rift)太平洋称为洋中隆(oceanic rise)。
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... Oceanic lightfish 串光鱼 oceanic ridge 海岭 ; 大洋中脊 ; 洋脊 ; 洋底脊 oceanic tholeiite 海洋性拉斑玄武岩 ; 大洋拉斑玄武岩 ; 大洋拉斑玄武岩 ...
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...矿作用;大洋中脊;地球化学异常场[gap=2025]Key words: metalliferous sediments; hydrothermal ore-forming; mid-ocean ridge; geochemical anomaly field...
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... mid indian ridge 中印度洋海岭 mid ocean ridge 大洋中背; 大洋中脊 mid oceanic ridge 洋中脊 ...
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其结果便是:沿着大洋中脊形成了海底山脉和山丘。
The result: underwater mountains and hills all along the axis of the mid-ocean ridge.
作者认为,投在洋中脊玄武岩区域的玄武岩绝大多数并非来自大洋中脊环境。
The author indicates that all areas of the tectonic setting determined by basalt discri…
本文从热传导方程出发,得到了大洋中脊下岩石层温度分布的分析表达式及数值计算结果。
By use of the heat conduction equation in a moving medium, the analytical solution of the temperature distribution and heat flow distribution and its computational results are obtained in this paper.
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