Age constraints on the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Integrated Ocean Drilling Program Expedition 307

Akihiro Kano, Timothy G. Ferdelman, Trevor Williams, Jean Pierre Henriet, Tsuyoshi Ishikawa, Noriko Kawagoe, Chiduru Takashima, Yoshihiro Kakizaki, Kohei Abe, Saburo Sakai, Emily L. Browing, Xianghui Li, M. S. Andres, M. Bjerager, B. A. Cragg, B. De Mol, B. Dorschel, A. Foubert, T. D. Frank, Y. FuwaP. Gaillot, J. J. Gharib, J. M. Gregg, V. A.I. Huvenne, P. Léonide, K. Mangelsdorf, X. Monteys, I. Novosel, R. O'Donnell, A. Rüggeberg, V. Samarkin, K. Sasaki, A. J. Spivack, A. Tanaka, J. Titschack, D. van Rooij, A. Wheeler

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Abstract

Sr isotope stratigraphy provides a new age model for the first complete section drilled through a deep-water coral mound. The 155-m-long section from Challenger Mound in the Porcupine Seabight, southwest of Ireland, is on Miocene siliciclastics and consists entirely of sediments bearing well-preserved cold-water coral Lophefia pertusa. The 87Sr/86Sr values of 28 coral specimens from the mound show an upward-increasing trend, correspond to ages from 2.6 to 0.5 Ma, and identify a significant hiatus from ca. 1.7 to 1.0 Ma at 23.6 m below seafloor. The age of the basal mound sediments coincides with the intensification of Northern Hemisphere glaciations that set up the modern stratification of the northeast Atlantic and enabled coral growth. Mound growth persisted throughout glacial-interglacial fluctuations, reached a maximum rate (24 cm/k.y.) ca. 2.0 Ma, and ceased at 1.7 Ma. Unlike other buried mounds in Porcupine Seabight, Challenger Mound was only partly covered during its growth interruption, and growth restarted ca. 1.0 Ma.

Original languageEnglish
Pages (from-to)1051-1054
Number of pages4
JournalGeology
Volume35
Issue number11
DOIs
Publication statusPublished - Nov 1 2007

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Ocean Drilling Program
coral
deep water
history
hiatus
well water
cold water
interglacial
sediment
glaciation
Northern Hemisphere
stratification
stratigraphy
seafloor
Miocene
isotope

All Science Journal Classification (ASJC) codes

  • Geology

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Age constraints on the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Integrated Ocean Drilling Program Expedition 307. / Kano, Akihiro; Ferdelman, Timothy G.; Williams, Trevor; Henriet, Jean Pierre; Ishikawa, Tsuyoshi; Kawagoe, Noriko; Takashima, Chiduru; Kakizaki, Yoshihiro; Abe, Kohei; Sakai, Saburo; Browing, Emily L.; Li, Xianghui; Andres, M. S.; Bjerager, M.; Cragg, B. A.; De Mol, B.; Dorschel, B.; Foubert, A.; Frank, T. D.; Fuwa, Y.; Gaillot, P.; Gharib, J. J.; Gregg, J. M.; Huvenne, V. A.I.; Léonide, P.; Mangelsdorf, K.; Monteys, X.; Novosel, I.; O'Donnell, R.; Rüggeberg, A.; Samarkin, V.; Sasaki, K.; Spivack, A. J.; Tanaka, A.; Titschack, J.; van Rooij, D.; Wheeler, A.

In: Geology, Vol. 35, No. 11, 01.11.2007, p. 1051-1054.

Research output: Contribution to journalArticle

Kano, A, Ferdelman, TG, Williams, T, Henriet, JP, Ishikawa, T, Kawagoe, N, Takashima, C, Kakizaki, Y, Abe, K, Sakai, S, Browing, EL, Li, X, Andres, MS, Bjerager, M, Cragg, BA, De Mol, B, Dorschel, B, Foubert, A, Frank, TD, Fuwa, Y, Gaillot, P, Gharib, JJ, Gregg, JM, Huvenne, VAI, Léonide, P, Mangelsdorf, K, Monteys, X, Novosel, I, O'Donnell, R, Rüggeberg, A, Samarkin, V, Sasaki, K, Spivack, AJ, Tanaka, A, Titschack, J, van Rooij, D & Wheeler, A 2007, 'Age constraints on the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Integrated Ocean Drilling Program Expedition 307', Geology, vol. 35, no. 11, pp. 1051-1054. https://doi.org/10.1130/G23917A.1
Kano, Akihiro ; Ferdelman, Timothy G. ; Williams, Trevor ; Henriet, Jean Pierre ; Ishikawa, Tsuyoshi ; Kawagoe, Noriko ; Takashima, Chiduru ; Kakizaki, Yoshihiro ; Abe, Kohei ; Sakai, Saburo ; Browing, Emily L. ; Li, Xianghui ; Andres, M. S. ; Bjerager, M. ; Cragg, B. A. ; De Mol, B. ; Dorschel, B. ; Foubert, A. ; Frank, T. D. ; Fuwa, Y. ; Gaillot, P. ; Gharib, J. J. ; Gregg, J. M. ; Huvenne, V. A.I. ; Léonide, P. ; Mangelsdorf, K. ; Monteys, X. ; Novosel, I. ; O'Donnell, R. ; Rüggeberg, A. ; Samarkin, V. ; Sasaki, K. ; Spivack, A. J. ; Tanaka, A. ; Titschack, J. ; van Rooij, D. ; Wheeler, A. / Age constraints on the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Integrated Ocean Drilling Program Expedition 307. In: Geology. 2007 ; Vol. 35, No. 11. pp. 1051-1054.
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abstract = "Sr isotope stratigraphy provides a new age model for the first complete section drilled through a deep-water coral mound. The 155-m-long section from Challenger Mound in the Porcupine Seabight, southwest of Ireland, is on Miocene siliciclastics and consists entirely of sediments bearing well-preserved cold-water coral Lophefia pertusa. The 87Sr/86Sr values of 28 coral specimens from the mound show an upward-increasing trend, correspond to ages from 2.6 to 0.5 Ma, and identify a significant hiatus from ca. 1.7 to 1.0 Ma at 23.6 m below seafloor. The age of the basal mound sediments coincides with the intensification of Northern Hemisphere glaciations that set up the modern stratification of the northeast Atlantic and enabled coral growth. Mound growth persisted throughout glacial-interglacial fluctuations, reached a maximum rate (24 cm/k.y.) ca. 2.0 Ma, and ceased at 1.7 Ma. Unlike other buried mounds in Porcupine Seabight, Challenger Mound was only partly covered during its growth interruption, and growth restarted ca. 1.0 Ma.",
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T1 - Age constraints on the origin and growth history of a deep-water coral mound in the northeast Atlantic drilled during Integrated Ocean Drilling Program Expedition 307

AU - Kano, Akihiro

AU - Ferdelman, Timothy G.

AU - Williams, Trevor

AU - Henriet, Jean Pierre

AU - Ishikawa, Tsuyoshi

AU - Kawagoe, Noriko

AU - Takashima, Chiduru

AU - Kakizaki, Yoshihiro

AU - Abe, Kohei

AU - Sakai, Saburo

AU - Browing, Emily L.

AU - Li, Xianghui

AU - Andres, M. S.

AU - Bjerager, M.

AU - Cragg, B. A.

AU - De Mol, B.

AU - Dorschel, B.

AU - Foubert, A.

AU - Frank, T. D.

AU - Fuwa, Y.

AU - Gaillot, P.

AU - Gharib, J. J.

AU - Gregg, J. M.

AU - Huvenne, V. A.I.

AU - Léonide, P.

AU - Mangelsdorf, K.

AU - Monteys, X.

AU - Novosel, I.

AU - O'Donnell, R.

AU - Rüggeberg, A.

AU - Samarkin, V.

AU - Sasaki, K.

AU - Spivack, A. J.

AU - Tanaka, A.

AU - Titschack, J.

AU - van Rooij, D.

AU - Wheeler, A.

PY - 2007/11/1

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