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Origin and Development of the Morphological Structure of the Rift Zone of Slow-Spreading Mid-Ocean Ridges

机译：缓发中海脊裂谷带形态结构的起源与发展

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摘要

Due to the complex transformation of the Earth's crust in the rift valley, the morphology of the newly formed crust is changed by that of the province of rift mountains. The main factors of the variability of the morphological structure are as follows: the tectonomagmatic cyclicity of the geodynamic processes at the spreading centers and the isostatic uplift of the rift valley floor. The interchange of magmatic and tectonic cycles determines the difference in the bathymetric levels of the isostatic equilibrium at the edges of the rift valley slopes and the beginning of the formation of the topography of the province of rift mountains. This relief represents an in-depth system of ridges and valleys rhythmically interchanging in the lateral direction. The morphology of the province of rift mountaines becomes the morphology of the acoustic basement throughout the ocean floor, except for the continental margins and areas of intraplate tectonics and volcanism.
机译：由于裂谷中地壳的复杂变化，新形成的地壳的形态被裂谷省改变了。形态结构可变性的主要因素如下：扩展中心的地球动力学过程的构造学周期性和裂谷谷底的等静性隆升。岩浆和构造周期的互换决定了裂谷坡边缘的等静压平衡的测深水平的差异以及裂谷省地貌的形成开始。该浮雕代表在横向上有节奏地互换的脊和谷的深度系统。除大陆边缘以及板内构造和火山作用的区域外，裂谷山脉的形态成为整个海床的声学基底的形态。

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  • 来源
    《Oceanology》 |2010年第2期|共14页
  • 作者

    A.V.Ilyin;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 海洋学;
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