IODP Expedition 336: Initiation of long-term coupled microbiological, geochemical, and hydrological experimentation within the seafloor at North Pond, western flank of the Mid-Atlantic Ridge

K. Edwards, W. Bach, A. Klaus, Louise Anderson, Nicolas Backert, Keir Becker, Dale W. Griffin, Amanda G. Haddad, Yumiko Harigane, Hisako Hirayama, Samuel M. Hulme, Steffen Leth Jørgensen, Tania Lado Insua, Paul Le Campion, Heath J. Mills, Kentaro Nakamura, Beth Orcutt, Young Soo Park, Victoria Rennie, Olivier RouxelJoseph A. Russel, Kasumi Sakata, Everett C. Salas, Fengping Wang, C. Geoffrey Wheat

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Integrated Ocean Drilling Program (IODP) Expedition 336 addressed questions concerning subseafloor microbial life and its relation to seawater circulation and basalt-seawater reactions in the basaltic ocean crust. Sediment and basement samples were recovered at three drill sites located in the North Pond area, an 8 × 15 km large sediment pond on the 8Ma western flank of the Mid-Atlantic Ridge around 22°45' N and 46°05'W in roughly 4450m water depth. The average core recovery rate in basement was approx. 31%. The subseafloor depth of the basement holes ranges from 90 to 332 m; sediment thickness is between 36 and 90 m. Two of the holes (U1382A, and U1383C) were equipped with advanced Circulation Obviation Retrofit Kit (CORK) observatories, employing - for the first time - fiberglass casing. Another CORK string was deployed in Deep Sea Drilling Project (DSDP) Hole 395A, but the wellhead broke off upon final installment. Nonetheless, the North Pond observatory is fully operational and post-cruise observatory research is already underway. Combined geochemical and microbiological studies of the drill core samples and experimental CORK materials will help understand (1) the extent and activity of microbial life in basalt and its relation to basalt alteration by circulating seawater, and (2) the mechanism of microbial inoculation of an isolated sediment pond.

Original languageEnglish (US)
Pages (from-to)13-18
Number of pages6
JournalScientific Drilling
Issue number17
DOIs
StatePublished - 2014
Externally publishedYes

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Ponds
Basalt
Drilling
Sediments
Observatories
Seawater
Core samples
Wellheads
Recovery
Water

ASJC Scopus subject areas

  • Mechanical Engineering
  • Energy Engineering and Power Technology

Cite this

IODP Expedition 336 : Initiation of long-term coupled microbiological, geochemical, and hydrological experimentation within the seafloor at North Pond, western flank of the Mid-Atlantic Ridge. / Edwards, K.; Bach, W.; Klaus, A.; Anderson, Louise; Backert, Nicolas; Becker, Keir; Griffin, Dale W.; Haddad, Amanda G.; Harigane, Yumiko; Hirayama, Hisako; Hulme, Samuel M.; Jørgensen, Steffen Leth; Insua, Tania Lado; Campion, Paul Le; Mills, Heath J.; Nakamura, Kentaro; Orcutt, Beth; Park, Young Soo; Rennie, Victoria; Rouxel, Olivier; Russel, Joseph A.; Sakata, Kasumi; Salas, Everett C.; Wang, Fengping; Geoffrey Wheat, C.

In: Scientific Drilling, No. 17, 2014, p. 13-18.

Research output: Contribution to journalArticle

Edwards, K, Bach, W, Klaus, A, Anderson, L, Backert, N, Becker, K, Griffin, DW, Haddad, AG, Harigane, Y, Hirayama, H, Hulme, SM, Jørgensen, SL, Insua, TL, Campion, PL, Mills, HJ, Nakamura, K, Orcutt, B, Park, YS, Rennie, V, Rouxel, O, Russel, JA, Sakata, K, Salas, EC, Wang, F & Geoffrey Wheat, C 2014, 'IODP Expedition 336: Initiation of long-term coupled microbiological, geochemical, and hydrological experimentation within the seafloor at North Pond, western flank of the Mid-Atlantic Ridge', Scientific Drilling, no. 17, pp. 13-18. https://doi.org/10.5194/sd-17-13-2014
Edwards, K. ; Bach, W. ; Klaus, A. ; Anderson, Louise ; Backert, Nicolas ; Becker, Keir ; Griffin, Dale W. ; Haddad, Amanda G. ; Harigane, Yumiko ; Hirayama, Hisako ; Hulme, Samuel M. ; Jørgensen, Steffen Leth ; Insua, Tania Lado ; Campion, Paul Le ; Mills, Heath J. ; Nakamura, Kentaro ; Orcutt, Beth ; Park, Young Soo ; Rennie, Victoria ; Rouxel, Olivier ; Russel, Joseph A. ; Sakata, Kasumi ; Salas, Everett C. ; Wang, Fengping ; Geoffrey Wheat, C. / IODP Expedition 336 : Initiation of long-term coupled microbiological, geochemical, and hydrological experimentation within the seafloor at North Pond, western flank of the Mid-Atlantic Ridge. In: Scientific Drilling. 2014 ; No. 17. pp. 13-18.
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abstract = "Integrated Ocean Drilling Program (IODP) Expedition 336 addressed questions concerning subseafloor microbial life and its relation to seawater circulation and basalt-seawater reactions in the basaltic ocean crust. Sediment and basement samples were recovered at three drill sites located in the North Pond area, an 8 × 15 km large sediment pond on the 8Ma western flank of the Mid-Atlantic Ridge around 22°45' N and 46°05'W in roughly 4450m water depth. The average core recovery rate in basement was approx. 31{\%}. The subseafloor depth of the basement holes ranges from 90 to 332 m; sediment thickness is between 36 and 90 m. Two of the holes (U1382A, and U1383C) were equipped with advanced Circulation Obviation Retrofit Kit (CORK) observatories, employing - for the first time - fiberglass casing. Another CORK string was deployed in Deep Sea Drilling Project (DSDP) Hole 395A, but the wellhead broke off upon final installment. Nonetheless, the North Pond observatory is fully operational and post-cruise observatory research is already underway. Combined geochemical and microbiological studies of the drill core samples and experimental CORK materials will help understand (1) the extent and activity of microbial life in basalt and its relation to basalt alteration by circulating seawater, and (2) the mechanism of microbial inoculation of an isolated sediment pond.",
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T2 - Initiation of long-term coupled microbiological, geochemical, and hydrological experimentation within the seafloor at North Pond, western flank of the Mid-Atlantic Ridge

AU - Edwards, K.

AU - Bach, W.

AU - Klaus, A.

AU - Anderson, Louise

AU - Backert, Nicolas

AU - Becker, Keir

AU - Griffin, Dale W.

AU - Haddad, Amanda G.

AU - Harigane, Yumiko

AU - Hirayama, Hisako

AU - Hulme, Samuel M.

AU - Jørgensen, Steffen Leth

AU - Insua, Tania Lado

AU - Campion, Paul Le

AU - Mills, Heath J.

AU - Nakamura, Kentaro

AU - Orcutt, Beth

AU - Park, Young Soo

AU - Rennie, Victoria

AU - Rouxel, Olivier

AU - Russel, Joseph A.

AU - Sakata, Kasumi

AU - Salas, Everett C.

AU - Wang, Fengping

AU - Geoffrey Wheat, C.

PY - 2014

Y1 - 2014

N2 - Integrated Ocean Drilling Program (IODP) Expedition 336 addressed questions concerning subseafloor microbial life and its relation to seawater circulation and basalt-seawater reactions in the basaltic ocean crust. Sediment and basement samples were recovered at three drill sites located in the North Pond area, an 8 × 15 km large sediment pond on the 8Ma western flank of the Mid-Atlantic Ridge around 22°45' N and 46°05'W in roughly 4450m water depth. The average core recovery rate in basement was approx. 31%. The subseafloor depth of the basement holes ranges from 90 to 332 m; sediment thickness is between 36 and 90 m. Two of the holes (U1382A, and U1383C) were equipped with advanced Circulation Obviation Retrofit Kit (CORK) observatories, employing - for the first time - fiberglass casing. Another CORK string was deployed in Deep Sea Drilling Project (DSDP) Hole 395A, but the wellhead broke off upon final installment. Nonetheless, the North Pond observatory is fully operational and post-cruise observatory research is already underway. Combined geochemical and microbiological studies of the drill core samples and experimental CORK materials will help understand (1) the extent and activity of microbial life in basalt and its relation to basalt alteration by circulating seawater, and (2) the mechanism of microbial inoculation of an isolated sediment pond.

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