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Morphologic, acoustic, and sedimentologic characteristics of the Magdalena Fan

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Abstract

The Magdalena Fan can be divided into: upper fan—1:60–1:110 gradients, channels with well-developed levees, generally several subbottom reflectors on 3.5-kHz records, and fine-grained sediments; middle fan—1:110–1:200 gradients, channels with very subdued levees, several to few subbottom reflectors on 3.5-kHz records, and chaotic and discontinuous reflections on multichannel seismic (MCS) records; lower fan—<1:250 gradients, small channels and relatively smooth seafloor, generally coarsegrained sediments, few or no subbottom reflectors on 3.5-kHz records, and flat continuous reflections on MCS records. In addition to the turbidity currents, slumping along the continental slope and elsewhere also influenced sedimentation in the fan.

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Author notes

  1. V. Kolla

    Present address: Lamont-Doherty Geological Observatory, 10964, Palisades, New York

Authors and Affiliations

  1. Superior Oil Company, 12401 Westheimer, 77077, Houston, TX

    V. Kolla

  2. Institute for Geophysics, University of Texas at Austin, 78751, Austin, TX

    R. T. Buffler

Authors
  1. V. Kolla
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  2. R. T. Buffler
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Kolla, V., Buffler, R.T. Morphologic, acoustic, and sedimentologic characteristics of the Magdalena Fan. Geo-Marine Letters 3, 85–91 (1983). https://doi.org/10.1007/BF02462452

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  • DOI: https://doi.org/10.1007/BF02462452

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