Processed 3D volume of multichannel seismic data on the Blake Ridge, acquired during R/V Maurice Ewing expedition EW0008 (2008)

This R/V Ewing cruise was proposed to obtain two related seismic data sets: 1) 3D image of the hydrate deposits and 2) a study of the P to S converted waves in the hydrate province. The obtained information, when combined with chemical, sedimentological and downhole logging information from Leg 164...

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Bibliographic Details
Main Authors: Hornbach, Matt, Holbrook, W. Steven, Lizarralde, Daniel, Pecher, Ingo, Gorman, Andrew, Saffer, Demian, Van Avendonk, Harm
Format: Dataset
Language:English
Published: Interdisciplinary Earth Data Alliance (IEDA) 2018
Subjects:
Marine Geoscience
Oceans
Solid Earth
Seismic Reflection
Continental Margin
SeismicActiveMCS-3DProcessed
EW0008
Maurice Ewing
North Atlantic Ocean
Blake Plateau, Blake Ridge, Bahamas Basin, North Atlantic, continental shelf, hydrates, BSR, bottom simulating reflector, 3D
Ewing
Maurice
North Atlantic
Online Access:https://dx.doi.org/10.1594/ieda/500090
http://doi.iedadata.org/500090
Description
Summary:This R/V Ewing cruise was proposed to obtain two related seismic data sets: 1) 3D image of the hydrate deposits and 2) a study of the P to S converted waves in the hydrate province. The obtained information, when combined with chemical, sedimentological and downhole logging information from Leg 164 would constitute a rare opportunity to establish benchmarck linkages between seismic signature (reflectivity, P-velocity, S-velocity) and amounts and distribution of hydrate and free gas. The data would also provide basic 3D geometries of stratigraphy, structures, hydrate concentration, and gas accumulations over the study area. This 3D seismic survey over the gas-hydrate field on Blake Ridge was planned with the objective to extend information from ODP sites drilled during Leg 164 over a part of the hydrate province. Funded by NSF grant OCE99-10966 and the U.S. Dept of Energy.

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