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Generation of Oceanic Crust

  • A. Nicolas
Chapter
  • 239 Downloads
Part of the Petrology and Structural Geology book series (PESG, volume 4)

Abstract

Significant differences between ophiolites (table 8.1) led us to distinguish a harzburgite ophiolite type (HOT) and a lherzolite ophiolite type (LOT) which were ascribed respectively to fast and slow spreading situations (chapter 8). Similarly, significant differences between fast and slow spreading ridges encourage comparisons with these two types of ophiolites. In this chapter we will therefore discuss how HOT and LOT crustal sections are generated at oceanic spreading centers, and will hopefully increase our understanding of the processes of crustal generation in fast and slow spreading environments respectively.

Keywords

Oceanic Crust Magma Chamber Moho Depth Ridge Axis Slow Spreading 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • A. Nicolas
    • 1
  1. 1.Department of Earth SciencesUniversity of MontpellierFrance

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