Magmatism at rift zones: The generation of volcanic continental margins and flood basalts

@article{White1989MagmatismAR,
  title={Magmatism at rift zones: The generation of volcanic continental margins and flood basalts},
  author={R. S. White and D. Mckenzie},
  journal={Journal of Geophysical Research},
  year={1989},
  volume={94},
  pages={7685-7729}
}
  • R. S. White, D. Mckenzie
  • Published 1989
  • Geology
  • Journal of Geophysical Research
    • When continents rift to form new ocean basins, the rifting is sometimes accompanied by massive igneous activity. We show that the production of magmatically active rifted margins and the effusion of flood basalts onto the adjacent continents can be explained by a simple model of rifting above a thermal anomaly in the underlying mantle. The igneous rocks are generated by decompression melting of hot asthenospheric mantle as it rises passively beneath the stretched and thinned lithosphere. Mantle… CONTINUE READING
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