Periodic Formation of Magma Fractures and Generation of Layered Gabbros in the Lower Crust Beneath Oceanic Spreading Ridges

  1. W. Roger Buck,
  2. Paul T. Delaney,
  3. Jeffrey A. Karson and
  4. Yves Lagabrielle
  1. Peter B. Kelemen1 and
  2. Einat Aharonov2

Published Online: 18 MAR 2013

DOI: 10.1029/GM106p0267

Faulting and Magmatism at Mid-Ocean Ridges

Faulting and Magmatism at Mid-Ocean Ridges

How to Cite

Kelemen, P. B. and Aharonov, E. (1998) Periodic Formation of Magma Fractures and Generation of Layered Gabbros in the Lower Crust Beneath Oceanic Spreading Ridges, in Faulting and Magmatism at Mid-Ocean Ridges (eds W. Roger Buck, P. T. Delaney, J. A. Karson and Y. Lagabrielle), American Geophysical Union, Washington, D. C.. doi: 10.1029/GM106p0267

Author Information

  1. 1

    Dept. of Geology and Geophysics, Woods Hole Oceanographic Institution;

  2. 2

    Lamont-Doherty Earth Observatory

Publication History

  1. Published Online: 18 MAR 2013
  2. Published Print: 1 JAN 1998

ISBN Information

Print ISBN: 9780875900896

Online ISBN: 9781118664506

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Keywords:

  • Sea-floor spreading (Geology);
  • Faults (Geology);
  • Magmatism

Summary

This chapter contains sections titled:

  • Introduction

  • Crystallization of Ascending Basalt Near the MTZ

  • Permeability Barriers at the MTZ

  • Permeability Barriers Within Crystallizing Gabbros

  • Model for Behavior of a Continuously Filled Melt Lens

  • Scaled Calculations, and Comparison to Observed Phenomena

  • Modal Layering Formed by Periodic Pressure Change

  • Discussion

  • Conclusion