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Sedimentological and geotechnical analyses of marine sediment cores from the New England Mud Patch


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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, 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 from [...]

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“Map indicating extent of mud patch core collection area”
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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. A variety of laboratory analyses were performed on the Mud Patch sediment cores, including grain size, grain density and porosity, bulk organics and carbon content by loss-on-ignition, foraminfera biostratigraphy, high-resolution magnetic susceptibility scanning, X-ray diffraction quantitative analysis, and undrained vane shear strength.

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DOI doi:10.5066/P9ZYK3PX

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