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Drilling to gabbro in intact ocean crust
Wilson, D.S.; Teagle, D.A.H.; Alt, J.C.; Banerjee, N.R.; Umino, S.; Miyashita, S.; Acton, G.D.; Anma, R.; Barr, S.R.; Belghoul, A.; Carlut, J.; Christie, D.M.; Coggon, R.M.; Cooper, K.M.; Cordier, C.; Crispini, L.; Durand, S.R.; Einaudi, F.; Galli, L.; Gao, Y.; Geldmacher, J.; Gilbert, L.A.; Hayman, N.W.; Herrero-Bervera, E.; Hirano, N.; Holter, S.; Ingle, S.; Jiang, S.; Kalberkamp, U.; Kerneklian, M.; Koepke, J.; Laverne, C.; Lledo Vasquez, H.L.; Maclennan, J.; Morgan, S.; Neo, N.; Nichols, H.J.; Park, S.-H.; Reichow, M.K.; Sakuyama, T.; Sano, T.; Sandwell, R.; Scheibner, B.; Smith-Duque, C.E.; Swift, S.A.; Tartarotti, P.; Tikku, A.A.; Tominaga, M.; Veloso, E.A.; Yamasaki, T.; Yamazaki, S.; Ziegler, C. (2002). Drilling to gabbro in intact ocean crust. Science (Wash.) 312(5776): 1016-1020
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075, more
Peer reviewed article  

Also published as
  • Wilson, D.S.; Teagle, D.A.H.; Alt, J.C.; Banerjee, N.R.; Umino, S.; Miyashita, S.; Acton, G.D.; Anma, R.; Barr, S.R.; Belghoul, A.; Carlut, J.; Christie, D.M.; Coggon, R.M.; Cooper, K.M.; Cordier, C.; Crispini, L.; Durand, S.R.; Einaudi, F.; Galli, L.; Gao, Y.; Geldmacher, J.; Gilbert, L.A.; Hayman, N.W.; Herrero-Bervera, E.; Hirano, N.; Holter, S.; Ingle, S.; Jiang, S.; Kalberkamp, U.; Kerneklian, M.; Koepke, J.; Laverne, C.; Lledo Vasquez, H.L.; Maclennan, J.; Morgan, S.; Neo, N.; Nichols, H.J.; Park, S.-H.; Reichow, M.K.; Sakuyama, T.; Sano, T.; Sandwell, R.; Scheibner, B.; Smith-Duque, C.E.; Swift, S.A.; Tartarotti, P.; Tikku, A.A.; Tominaga, M.; Veloso, E.A.; Yamasaki, T.; Yamazaki, S.; Ziegler, C. (2006). Drilling to gabbro in intact ocean crust. Science (Wash.) 312(5772): 10.1126/science.1126090. dx.doi.org/10.1126/science.1126090, more

Available in Authors 

Keyword
    Marine

Authors  Top 
  • Wilson, D.S.
  • Teagle, D.A.H.
  • Alt, J.C.
  • Banerjee, N.R.
  • Umino, S.
  • Miyashita, S.
  • Acton, G.D.
  • Anma, R.
  • Barr, S.R.
  • Belghoul, A.
  • Carlut, J.
  • Christie, D.M.
  • Coggon, R.M.
  • Cooper, K.M.
  • Cordier, C.
  • Crispini, L.
  • Durand, S.R.
  • Einaudi, F.
  • Galli, L.
  • Gao, Y.
  • Geldmacher, J.
  • Gilbert, L.A.
  • Hayman, N.W.
  • Herrero-Bervera, E.
  • Hirano, N.
  • Holter, S.
  • Ingle, S.
  • Jiang, S.
  • Kalberkamp, U.
  • Kerneklian, M.
  • Koepke, J.
  • Laverne, C.
  • Lledo Vasquez, H.L.
  • Maclennan, J.
  • Morgan, S.
  • Neo, N.
  • Nichols, H.J.
  • Park, S.-H.
  • Reichow, M.K.
  • Sakuyama, T.
  • Sano, T.
  • Sandwell, R.
  • Scheibner, B.
  • Smith-Duque, C.E.
  • Swift, S.A.
  • Tartarotti, P.
  • Tikku, A.A.
  • Tominaga, M.
  • Veloso, E.A.
  • Yamasaki, T.
  • Yamazaki, S.
  • Ziegler, C.

Abstract
    Sampling an intact sequence of oceanic crust through lavas, dikes, and gabbros is necessary to advance the understanding of the formation and evolution of crust formed at mid-ocean ridges, but has been an elusive goal of scientific ocean drilling for decades. Recent drilling in the eastern Pacific Ocean in Hole 1256D reached gabbro within seismic layer 2, 1157 meters into crust formed at a superfast spreading rate. The gabbros are the crystallized melt lenses that formed beneath a mid-ocean ridge. The depth at which gabbro was reached confirms predictions extrapolated from seismic experiments at modern midocean ridges that melt lenses occur at shallower depths at faster spreading rates. The gabbros intrude metamorphosed sheeted dikes and have compositions similar to the overlying lavas, precluding formation of the cumulate lower oceanic crust from melt lenses so far penetrated by Hole 1256D.

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