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Visual description sheets of sediment cores from the New England Mud Patch collected on USGS Field Activity 2016-001-FA


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Boggess, A.A., Buczkowski, B.J., and Chaytor, J.D., 2021, Sedimentological and geotechnical analyses of marine sediment cores from the New England Mud Patch: U.S. Geological Survey data release,


Variability in sediment properties with depth and the thickness of individual sedimentary layers are critical determinants of seabed acoustic response. The New England Mud Patch (NEMP), located south of Cape Cod, is an unusual feature on the U.S. Continental Shelf in that it is composed of fine-grained sediment layers containing a relatively-homogeneous mix of sand, silt, and clay-sized particles bounded by more typical sandy shelf sediments. The unique characteristics and nature of this deposit is due to a derivation of sediments that have been transported to, and deposited in, a basal bowl-shaped depression since the last glacial maximum. Ninety-two piston, vibra-, and gravity cores with a maximum length of 8.2 meters were collected [...]


Attached Files

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“Handwritten visual description sheets for mud patch sediment piston cores”
13.06 MB application/pdf
“Handwritten visual description sheets for mud patch sediment vibracores”
907.42 KB application/pdf
“Handwritten visual description sheets for mud patch acoustic/gravity cores”
582.38 KB application/pdf
“Handwritten visual description sheets for mud patch sediment trigger cores”
2.63 MB application/pdf
“Map indicating extent of mud patch core collection area”
thumbnail 1.26 MB image/png


The data gained through the analyses of cores collected from the New England Mud Patch help provide a comprehensive understanding of the nature and properties of the sediments found in this geographic location. Visual descriptions of the cores were used as a reference for determining sampling intervals and estimating the depths of major lithologic changes.

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