Scientific Ocean Drilling Accomplishments and Challenges (2011) / Chapter Skim
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Appendix C: Workshop White Papers
Appendix C: Workshop White Papers
Pages 97-144
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The greatest advance in this regard for the recovery of a new effort was proposed that led to the development of sediments was the development of a hydraulic piston core the Deep Sea Drilling Project (DSDP)
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We have drilled in the ice-covered Drilling Program, Texas A&M University, College Station, Texas. region of the high Arctic and brought back a startling record Gornitz, V
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Although its formation sections of upper ocean crust formed at intermediate (Hole provides a framework for construction of the deposit, the ulti 504B on 6 Ma crust) and superfast spreading rates (Hole mate dissolution of anhydrite was recognized as an important 1256D on 15 Ma crust)
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) has provided access to Earth -- require access to in situ oceanic crust and subsurface lower ocean crust that has been tectonically exhumed at the experimentation that can be provided only by drilling.
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report recognized the importance an oversimplification, but there seems to be a rough identity of subseafloor fluid flow, and understanding it fully became among the most permeable and porous upper few hundred m a focal point/major theme of DSDP/ODP (Ocean Drill of young oceanic basement, seismic Layer 2A, and the zone ing Program) /IODP (Integrated Ocean Drilling Program)
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permeabilities Planning Group (2001) hydrothermnal systems Multi-zone Advanced CORK, CORK-II, and First direct measurement of fluid First targeted gas hydrates wireline CORK pressure at subduction plate drilling in context of fluid boundary fault flow First in situ video in oceanic crust, showing microbiota IODP Initiatives in Deep Juan de Fuca 3-d CORK Addition of microbiological First crustal-scale cross-hole 2004-2011 Biosphere and Hydrates array capabilities to CORKs + hydrogeological experiments shipboard labs NanTroSEIZE seismic + First in situ microbiological fluid observatories Improvement of downhole incubation experiments tools Gulf of Mexico margin First network cable-ready overpressured zone borehole observatories Three major biosphere/fluid Excess fluid pressures measured programs to come in Gulf of Mexico margin
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. are planned for the IODP NanTroSEIZE program, combining Ocean Drilling Program, Texas A&M University, College Station, Texas.
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Subseafloor borehole observatories (Circula- during the Ocean Drilling Program. In Proceedings of the Integrated tion Obviation Retrofit Kits or CORKs)
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In Proceedings Chemical data from continuous monitoring of sealed boreholes in a of the Ocean Drilling Program, Initial Reports, Volume 205, Morris, J.D. mid-ocean ridge flank environment.
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; demonstrated that hydrates drilling having been conducted by the Integrated gas hydrates filled only a small percentage of available pore Ocean Drilling Program (IODP) since 2005 (Expedition space despite the widespread occurrence of a BSR; and 311; Riedel et al., 2006)
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:29-32. SOD gas hydrates drilling projects are the development of Collett, T.S.
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Ocean Drilling Program, Texas gin gas hydrate prospects: Results of the Indian National Gas Hydrate A&M University, College Station, Texas. Program (NGHP)
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Earth and Plan- Methane Hydrate Drilling Program. In Natural Gas Hydrates: Energy etary Science Letters 179:153-165.
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In Proceedings of the 6th International Drilling Program, Scientific Results, Volume 164, Paull, C.K., R Mat- Conference on Gas Hydrates, Vancouver, British Columbia, Canada.
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. largely on evidence gleaned from marine sediment cores Collectively, these records demonstrate that as pCO2 levels recovered by the Deep Sea Drilling Project and Ocean Drill have declined (by >1,000 ppm)
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. The direct evidence including glaciomarine sediments extreme warmth, and impacts on sea level and the biosphere and ice-rafted debris point to a latest Eocene to earliest Oli- (see white papers by K
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Rahmstorf, R and Planetary Science Letters 292:201-211.
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Although they were not primary motivations for ini discussed in greater detail in a separate paper, has almost tial deep-sea drilling, the research disciplines of paleocean entirely been made possible by ocean drilling. Similarly, the ography and paleoclimate are two of the outstanding discovery of an acceleration of Northern Hemisphere glaciasuccesses of each of the international drilling programs, and tion approximately 2.5 million years ago came directly from they remain likely areas of future advances.
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from depth transects has allowed the discovery of distinctly different patterns of variability in the intermediate and deep Supporting References water masses and also in the deep waters influencing the Bond, G.C., H Heinrich, W
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In Initial Reports of the Deep Sea Drilling Project, Roberts, years. Science 306(5702)
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Finally, straint on amplitudes. The Ocean Drilling Program (ODP)
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1988. Barbados Offshore Drilling Program.
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2009. Global sea level linked to global J.B.
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gies for the marine record of the PETM, for instance, were Remarkably, the deep-sea fossil record reveals that unusual used to show that global warming not only occurred with "disaster" ecosystems last for nearly a million years after pacing broadly similar to anthropogenic warming, but also the impact in agreement with models of species evolution in rapidly and profoundly disrupted marine ecosystems and disrupted ecosystems. precipitated a major extinction in the deep sea (Kump et al., The deep-sea fossil record provides insight for how our 2009)
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Earth and Planetary Science Letters calcareous plankton even though current models suggest the 220(1-2)
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. 1961 in 11,700 feet of water and penetrated more than 600 The Integrated Ocean Drilling Program (IODP)
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In Initial Reports of the Deep Sea Drilling Project, Volume 3. Deep and into gabbros of Seismic Layer 3, extending direct sam- Sea Drilling Project, U.S.
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1986. In Initial Reports of the Deep Sea Drilling of methane hydrate during the Paleocene-Eocene thermal maximum.
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(1972) has results of the Deep Sea Drilling Project (DSDP)
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In Initial Reports of the Deep Sea Drilling tionship between spreading rate and the seismic structure of mid-ocean Project, Volume 9. Deep Sea Drilling Project, U.S.
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, and IODP (Integrated Ocean Drilling Program)
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. Earth and sections from multiple holes drilled at a single site, has been Planetary Science Letters 283(1-4)
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Such indirect dating provides sink below sea level and are covered with marine sediments a minimum age. (including coral and carbonate banks in tropical latitudes)
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Earth estimate for the end of fluid circulation. 3D sampling and and Planetary Science Letters 155(3-4)
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The current seismogenic zone drilling program is based on the National Science Foundation (NSF)
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Program, Volume 319. Integrated Ocean Drilling Program, Texas A&M University, College Station, Texas.
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Earth Drilling Program, Preliminary Reports, Expedition 322. Integreated and Planetary Science Letters 282(1-4)
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Information systems for in-situ monitoring of developments from the later part of the Ocean Drilling Pro drill bit conditions are being developed to further enhance gram (ODP) and from the Integrated Ocean Drilling Program recovery.
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continuous XRF high-reso investigations of gas hydrates as a possible new hydrocarbon lution core scanning (split core)
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Integrated Ocean Drilling Program, Texas A&M University, College Station, Texas. Stahl, M.J.
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Ocean crust drilling began in earnest in 1974 with Leg Formation of the ocean lithosphere is the principle mag 37 of DSDP (Deep Sea Drilling Project) , which drilled a four matic process on the planet, generating some three-fifths of hole transect at 37°N on the Mid-Atlantic Ridge (MAR)
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In Proceedings of the Ocean Drilling Program, Initial Reports, Volume 148. Ocean Drilling Program, Texas both sites.
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. tion accommodated by extensional faulting at 15N on the Mid-Atlantic Ocean Drilling Program, Texas A&M Univeristy, College Station, Texas.
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The Ontong Java Plateau correlates nic rifted margins began soon after scientific ocean drilling temporally with oceanic anoxic event (OAE-1a) , and interstarted in 1968, but the first targeted LIP investigations pretation of strontium, osmium, and lead isotopic systems involving drilling, focusing on the ~55 Ma North Atlantic during the time of OAE-1a points to a close linkage between volcanic rifted margins, commenced in the 1980s.
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Earth and Planetary Science Letters 227(3-4)
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for studies of magma-dominated rifting. Extensive reinterpretation of seismic profiles after Legs Drilling on the magma-poor Newfoundland and Iberia 173 and 210, synthesis of Alps analogs (Peron-Pinvidic et rifted margins comprises DSDP (Deep Sea Drilling Project)
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In Initial Reports several times the need for increased collaboration with of the Deep Sea Drilling Project, Volume 38. Deep Sea Drilling Project, industry.
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