sea-floor spreading 中文意思是什麼
sea-floor spreading
解釋
【地質學；地理學】海床擴張〈指海洋地殼由地幔巖漿的上升所造成的擴張〉。-
It is barely ten since systematic deep ocean bathymetry revealed the structure of rifts, fractures and trenches associated with sea floor spreading.
系統的深海深度測量揭示了與海底擴張有關的狹谷帶、斷裂帶和海溝的結構。 -
The sea floor is spreading away from the mid-ocean ridges.
海底正在從大洋中脊擴張開來。 -
The mariana trough is an actively opening back arc basin that lies at the eastern edge of the philippine sea plate, and in the transition time from rift to sea floor spreading
位於菲律賓板塊和太平洋板塊之間的馬里亞納海槽，處于弧后張裂向海底擴張的過渡階段，是深入研究板塊運動與弧后擴張動力學過程的理想地區。 -
Now, sr isotopes can be used not only to constrain the origin and evolution of magma and hydrothermal ore - forming solutions, calculate the scale and degree of lithogenesis and ascertain the relations between fluids and rocks, but also to study sea - level fluctuation, plate movement, ocean - floor spreading and lithogenic evolution
現在，鍶同位素不僅在示蹤巖漿及成礦熱液的來源和演化、計算晚期成巖改造作用的規模和程度及流體/巖石比等方面已趨于成熟，並且越來越廣泛運用於海平面變化、板塊活動、海底擴張、成巖演化等方面的研究。
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