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Bayrakci, Gaye; Minshull, Tim A; Boddupalli, Bhargav; Davy, Richard G; Klaeschen, Dirk; Papenberg, Cord; Sawyer, Dale S; Reston, Timothy J; Shillington, Donna J; Morgan, Julian K; Bull, Jonathan M; Ranero, César R (2022): Ocean bottom seismic data from the continent-ocean transition in the Deep Galicia Margin, offshore west Iberia [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.940656

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Published: 2022-02-03 • DOI registered: 2023-03-31

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Abstract:
Seismic data was acquired to study the transition from rifted continental crust to oceanic crust at the Deep Galicia Margin from June to August 2013. 3D Multichannel reflection and coincident wide-angle seismic data were acquired simultaneously as part of a seismic experiment over an area of 80 km long and 25 km wide in the Deep Galicia margin. The multichannel reflection seismic volume was acquired by the R/V Marcus G. Langseth, which provided a source for the ocean bottom seismic data. A total of 86 ocean bottom hydrophones/seismometer deployments were carried out by F/S Poseidon. Two airgun arrays with total gun volumes of 3,300 cu.in. were deployed as seismic sources. Shots were fired alternately using two source arrays every 37.5 m (shot interval of ~ 16 s with ship speed of 4.5 knots). Data were converted into SEGY format. Further details are available at https://doi.org/10.1038/NGEO2671.
Keyword(s):
Continental rifting; continent-ocean transition; West Iberia; wide-angle seismic
Related to:
Bayrakci, Gaye; Minshull, Tim A; Sawyer, Dale S; Reston, Timothy J; Klaeschen, Dirk; Papenberg, Cord; Ranero, César R; Bull, James C; Davy, Richard G; Shillington, Donna J; Perez-Gussinye, M (2016): Fault-controlled hydration of the upper mantle during continental rifting. Nature Geoscience, 9(5), 384-388, https://doi.org/10.1038/ngeo2671
Funding:
National Science Foundation (NSF), grant/award no. OCE-1031769: Galicia 3D
Natural Environment Research Council (NERC), grant/award no. NE/E015883/1: Galicia 3D
Natural Environment Research Council (NERC), grant/award no. NE/E016502/1: Continental extension leading to breakup: determining the 3D structure of the west Galicia rifted margin (Galicia 3D)
Coverage:
Median Latitude: 42.079662 * Median Longitude: -12.762264 * South-bound Latitude: 42.022167 * West-bound Longitude: -13.598500 * North-bound Latitude: 42.204833 * East-bound Longitude: -12.202500
Date/Time Start: 2013-05-23T09:25:00 * Date/Time End: 2013-09-02T00:00:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
3 datasets

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Datasets listed in this bundled publication

  1. Bayrakci, G; Minshull, TA; Boddupalli, B et al. (2022): Ocean bottom seismic data from the continent-ocean transition in the Deep Galicia Margin, offshore west Iberia: active source data. https://doi.org/10.1594/PANGAEA.940396
  2. Bayrakci, G; Minshull, TA; Boddupalli, B et al. (2022): Ocean bottom seismic data from the continent-ocean transition in the Deep Galicia Margin, offshore west Iberia: continuous data. https://doi.org/10.1594/PANGAEA.940204
  3. Bayrakci, G; Minshull, TA; Boddupalli, B et al. (2022): Ocean bottom seismic data from the continent-ocean transition in the Deep Galicia Margin, offshore west Iberia: miniSeed data. https://doi.org/10.1594/PANGAEA.940663