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Metallogeny of Oceanic-Type Crust

  • Frederick J. Sawkins
Part of the Minerals and Rocks book series (MINERALS, volume 17)

Abstract

The volumes of magma generated per year along the current > 50,000 km long system of oceanic spreading ridges are estimated to exceed those generated on the remainder of the earth by about an order of magnitude (Menard, 1967). Oceanic crust and lithosphere are mainly formed at so-called mid-ocean ridge systems, but essentially similar oceanic crust is also generated during the earlier stages of continental separation (e.g., Red Sea), and during the formation of marginal basins behind some subduction-related arc systems (Karig, 1971).

Keywords

Oceanic Crust Ultramafic Rock Massive Sulfide Hydrothermal Activity Pillow Lava 
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

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • Frederick J. Sawkins
    • 1
  1. 1.Department of Geology and GeophysicsUniversity of MinnesotaMinneapolisUSA

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