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Acoustical and geological characteristics of near-surface sediments, upper continental slope of northern Gulf of Mexico

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Abstract

The continental slope off Texas and Louisiana is the most structurally and sedimentologically complex area in the Gulf of Mexico. This 120,000 km2 area is dominated by diapiric tectonics, resulting in numerous faults, oil and gas seeps, and other geological phenomena that affect near-surface sediments. Bottom gradients range from 0 to 20°. High-resolution seismic surveys, foundation borings, and drop cores reveal several mass-movement features, acoustic wipeout zones, sea floor erosion, faults, hardgrounds, bioherms, reefs, and outcrops. Recent data indicate that most geological activity takes place during relative sea level lowering and low stands.

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Authors and Affiliations

  1. Department of Geology and Geophysics and Coastal Studies Institute, School of Geosciences, Louisiana State University, 70803, Baton Rouge, LA, USA

    Arnold H. Bouma, Harry H. Roberts & James M. Coleman

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  1. Arnold H. Bouma
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  2. Harry H. Roberts
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  3. James M. Coleman
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Bouma, A.H., Roberts, H.H. & Coleman, J.M. Acoustical and geological characteristics of near-surface sediments, upper continental slope of northern Gulf of Mexico. Geo-Marine Letters 10, 200–208 (1990). https://doi.org/10.1007/BF02431066

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  • DOI: https://doi.org/10.1007/BF02431066

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