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New View of the Mid-Ocean Ridge from the Behaviour of Ridge-Axis Discontinuities

机译：从脊轴不连续行为看中海脊的新观点

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High-resolution images covering large areas of the seafloor reveal numerous discontinuities along the mid-ocean ridge. The discontinuities occur at a range of scales (10-1,000 km) and define a fundamental segmentation of seafloor spreading centres. Some are transient; others persist for millions of years, migrating along the mid-ocean ridge and disrupting the structural and geochemical character of approximately 20% of the oceanic lithosphere. Reprints. (edc)

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作者
MacDonald, K. C.; Fox, P. J.; Perram, L. J.; Eisen, M. F.; Haymon, R. M.;
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年度 1988
页码 p.1-10
总页数 10
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Ocean ridges; Seafloor spreading; Axes; Discontinuities; Geochemistry; High resolution; Images; Lithosphere; Ocean bottom; Oceanic crust; Reprints; Scale; Segmented; Structural geology;

机译：海脊;海底扩张;轴;不连续;地球化学;高分辨率;图像;岩石圈;海底;海洋地壳;重印;尺度;分段;结构地质;

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1. Evidence from three-dimensional seismic reflectivity images for enhanced melt supply beneath mid-ocean -ridge discontinuities [J] . G. M. Kent, S. C. Singh, A. J. Harding, Nature . 2000,第6796期

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2. Insights into the behaviour of sulphur in mid-ocean ridge axial hydrothermal systems from the composition of the sheeted dyke complex at Pito Deep [J] . Barker A.K., Coogan L.A., Gillis K.M. Chemical geology . 2010,第1a2期

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3. A new view of the He-Ar-CO2 degassing at mid-ocean ridges: Homogeneous composition of magmas from the upper mantle [J] . Paonita A, Martelli M Geochimica et Cosmochimica Acta: Journal of the Geochemical Society and the Meteoritical Society . 2007,第7期

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4. Maxwellian Fields and Geometry, Field Behaviour Near Region Boundaries and Sharp Discontinuities – a Review [C] . Lotfollah Shafai International Symposium on Antenna Technology and Applied Electromagnetics . 2018

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5. The Depth of Mid-Ocean Ridges Through Earth's Evolution and a Two-Phase Study of Melt Focusing at Mid-Ocean Ridges [D] . Sim, Shi. 2018

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7. Influence of enhanced melt supply on upper crustal structure at a mid-ocean ridge discontinuity : a three-dimensional seismic tomographic study of 9°N East Pacific Rise. [O] . Tong C. H., Barton P. J., White R. S., 2003

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New View of the Mid-Ocean Ridge from the Behaviour of Ridge-Axis Discontinuities

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