Sulfate profiles and barium fronts in sediment on the Blake Ridge: Present and past methane fluxes through a large as hydrate reservoir

Geochimica et Cosmochimica Acta

Volumn 65, Issue 4, 2001, Pages 529-543

  Dickens, Gerald R ^a,b  

^a JAMES COOK UNIVERSITY   (Australia)

^b RICE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BARIUM; GAS HYDRATE; MARINE SEDIMENT; METHANE; OCEAN DRILLING PROGRAM; SULFATE;

ATLANTIC OCEAN; BLAKE RIDGE;

EID: 0035051186     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(00)00556-1     Document Type: Article

References (55)

1. Diagenetic models of dissolved species in the interstitial waters of compacting sediments
2. Barite solubilities and thermodynamic quantities up to 300°C and 1400 bars
3. Significance of anaerobic methane oxidation in methane-rich sediments overlying the Blake Ridge gas hydrates
4. Marine pore-water sulfate profiles indicate in situ methane flux from underlying gas hydrate
5. Global and local variations of interstitial sulfate gradients in deep-water, continental margin sediments: Sensitivity to underlying methane and gas hydrates
6. Interstitial water trace metal chemistry of laminated sediments from the Gulf of California, Mexico
7. Coincident slump/gas hydrate complexes on the U.S. Atlantic continental slope
8. Oxygen isotopes and sea level
9. Timescale and paleoceanographic implications of a 3.6 m.y. oxygen isotope record from the Northeast Indian Ocean (Ocean Drilling Program site 758)
10. Marine barite saturation
11. Anoxic diagenesis and methane generation in sediments of the blake outer ridge, deep sea drilling project site 533, Leg 76
12. Detection of gas hydrate with downhole logs and assessment of gas hydrate concentrations (saturations) and gas volumes on the blake ridge with electrical resistivity log data
13. Discrete suspended particles of barite and the barium cycle in the ocean
14. Dissociation of oceanic methane hydrate as a cause of the carbon isotope excursion at the end of the Paleocene
15. Sediment geochemical evidence for an early-middle Gilbert (early Pliocene) productivity peak in the North Pacific Red Clay Province
16. Direct measurement of in situ methane quantities in a large gas hydrate reservoir
17. Evidence for faulting related to dissociation of gas hydrate and release of methane off the Southeastern United States
18. Marine gas hydrates, II. Geophysical evidence
19. Barium in deep-sea sediment: A geochemical proxy for paleoproductivity
20. Thermodynamic and pore water halogen constraints on gas hydrate distribution at ODP Site 997 (Blake Ridge)
21. Shipboard organic geochemistry on
22. Sulfate reduction and methane oxidation in continental margin sediments influenced by irrigation (South-East Atlantic off Namibia)
23. Chemical methods for interstitial water analysis aboard
24. Discrete barite particles and barium as tracers of paleoproductivity in South Atlantic sediments
25. 1994 compilation of working values and sample description for 383 geostandards
26. Permafrost melting and stability of offshore methane hydrates subject to global warming
27. Model, stable isotope, and radiotracer characterization of anaerobic methane oxidation in gas hydrate-bearing sediments of the Blake Ridge
28. Methane hydrate and free gas on the Blake Ridge from vertical seismic profiling
29. Diffusion coefficients of sulfate and methane in marine sediments: Influence of porosity
30. Pleistocene slope instability of gas hydrate-laden sediment on the Beaufort Sea Margin
31. Carbon isotopic evidence for methane hydrate instability during Quarternary interstadials
32. Lithology of the upper gas hydrate zone, Blake outer ridge: A link between diatoms, porosity and gas hydrate
33. Gas hydrates-geological perspective and global change
34. Variations in the mode of formation and temperature of oceanic deep waters over the past 125,000 years
35. Migrational processes and chemical reactions in interstitial waters
36. Diffusion of ions in sea water and in deep-sea sediments
37. Geochemistry of barium in marine sediments: Implications for its use as a paleoproxy
38. A thermodynamic model for the solubility of barite and celestite in electrolyte solutions and seawater to 200°C and to 1 kbar
39. Deep sulfate reduction completely mediated by anaerobic methane oxidation in sediments of the upwelling area off Namibia
40. Neogene and, quaternary calcareous nannofossils from the Blake Ridge, Sites 994, 995 and 997
41. Increased continental-margin slumping frequency during lowstands above gas hydrate-bearing sediments
42. 2 species, and sedimentary organic matter within samples from the Blake Ridge: Gas source implications
43. Sources of biogenic methane to form marine gas hydrates
44. Is the extent of glaciation limited by marine gas-hydrates
45. The diagenetic formation of metal-rich layers in sapropel-containing sediments in the Eastern Mediterranean
46. Anomalously cold temperatures observed at the base of the gas hydrate stability zone on the U.S. Atlantic passive margin
47. Barium in equatorial Pacific carbonate sediment: Terrigenous, oxide, and biogenic associations
48. Early diagenetic processes, fluxes, and reaction rates in sediments of the South Atlantic
49. Barite fronts in continental margin sediments: A new look at barium mobilization in the zone of sulfate reduction and formation of heavy barites in diagenetic fronts
50. Geochemistry of sediments from the Peru upwelling area: Results from Sites 680, 682, 685, and 688
51. Deposition and diagenetic behavior of barium in the Japan Sea
52. A deep bacterial biosphere fuelled by low-temperature acetate generation during burial
53. Predicting the occurrence, distribution, and evolution of methane gas hydrate in porous marine sediments