Berner, R.A., 1980. Early Diagenesis: A Theoretical Approach: Princeton, NJ (Princeton Univ. Press).
Blair, N.E., and Aller, R.C., 1995. Anaerobic methane oxidation on the Amazon Shelf. Geochim. Cosmochim. Acta, 59:3707–3715. doi:10.1016/0016-7037(95)00277-7
Boetius, A., Ravenschlag, K., Schubert, C.J., Rickert, D., Widdel, F., Gieseke, A., Amann, R., Jørgensen, B.B., Witte, U., and Pfannkuche, O., 2000. A marine microbial consortium apparently mediating anaerobic oxidation of methane. Nature (London, U. K.), 407:623–626. doi:10.1038/35036572
Boetius, A., and Suess, E., 2004. Hydrate Ridge: a natural laboratory for the study of microbial life fueled by methane from near surface gas hydrates. Chem. Geol., 205:291–310. doi:10.1016/j.chemgeo.2003.12.034
Borowski, W.S., Hoehler, T.M., Alperin, M.J., Rodriguez, N.M., and Paull, C.K., 2000. Significance of anaerobic methane oxidation in methane-rich sediments overlying the Blake Ridge gas hydrates. In Paull, C.K., Matsumoto, R., Wallace, P.J., and Dillon, W.P. (Eds.), Proc. ODP, Sci. Results, 164: College Station, TX (Ocean Drilling Program), 87–99. [HTML]
Borowski, W.S., Paull, C.K., and Ussler, III, W., 1996. Marine pore-water sulfate profiles indicate in situ methane flux from underlying gas hydrate. Geology, 24(7):655–658. doi:10.1130/0091-7613(1996)024<0655:MPWSPI>2.3.CO;2
Burns, S.J., 1998. Carbon isotopic evidence for coupled sulfate reduction-methane oxidation in Amazon Fan sediments. Geochim. Cosmochim. Acta, 62:797–804. doi:10.1016/S0016-7037(98)00035-0
Canfield, D.E., 1991. Sulfate reduction in deep-sea sediments. Am. J. Sci., 291:177–188.
Chung, H.M., Gromly, J.R., and Squires, R.M., 1988. Origin of gaseous hydrocarbons in subsurface environments: theoretical considerations of carbon isotope distribution. Chem. Geol., 71:97–104. doi:10.1016/0009-2541(88)90108-8
Claypool, G.E., 1974. Anoxic diagenesis and bacterial methane production in deep sea sediments [Ph.D. thesis]. Univ. California, Los Angeles.
Claypool, G.E., 1999. Biogenic ethane—where does it come from? In Schoell, M., and Claypool, G.E. (Eds.), Abstract volume, AAPG Hedberg Res. Conf.: Natural Gas Formation and Occurrence.
Claypool, G.E., and Kaplan, I.R., 1974. The origin and distribution of methane in marine sediments. In Kaplan, I.R. (Ed.), Natural Gases in Marine Sediments: New York (Plenum), 99–139.
Claypool, G.E., Lorenson, T.D., and Johnson, C.A., 2003. Authigenic carbonates, methane generation, and oxidation in continental rise and shelf sediments, ODP Leg 188 Sites 1165 and 1166, offshore Antarctica (Prydz Bay). In Cooper, A.K., O'Brien, P.E., and Richter, C. (Eds.), Proc. ODP, Sci. Results, 188, 1–15 [Online]. Available from World Wide Web: <http://www-odp.tamu.edu/publications/188_SR/VOLUME/CHAPTERS/004.PDF>. [Cited 2005-01-20]
Claypool, G.E., and Threlkeld, C.N., 1983. Anoxic diagenesis and methane generation in sediments of the Blake Outer Ridge, Deep Sea Drilling Project Site 533, Leg 76. In Sheridan, R.E., Gradstein, F.M., et al., Init. Repts. DSDP, 76: Washington (U.S. Govt. Printing Office), 391–402.
Claypool, G.E., Vuletich, A.K., and Kvenvolden, K.A., 1985. Isotopic composition of interstitial fluids in sediment of the Nankai Trough, Deep Sea Drilling Project Leg 87. In Kagami, H., Karig, D.E., Coulbourn, W.T., et al., Init. Repts. DSDP, 87: Washington (U.S. Govt. Printing Office), 857–860.
Dean, W.E., Gardner, J.V., and Anderson, R.Y., 1994. Geochemical evidence for enhanced preservation of organic matter in the oxygen minimum zone of the continental margin of northern California during the late Pleistocene. Paleoceanography, 9:47–62. doi:10.1029/93PA02829
de Boer, R.B., Houbolt, J.J.H.C., and Legrand, J., 1985. Formation of gas hydrates in a permeable medium. Geol. Mijnbouw, 64:245–249.
D'Hondt, S.L., Jørgensen, B.B., Miller, D.J., Batzke, A., Blake, R., Cragg, B.A., Cypionka, H., Dickens, G.R., Ferdelman, T., Hinrichs, K.-H., Holm, N.G., Mitterer, R., Spivack, A., Wang, G., Bekins, B., Engelen, B., Ford, K., Gettemy, G., Rutherford, S.D., Sass, H., Skilbeck, C.G., Aiello, I.W., Guerin, G., House, C., Inagak, F., Meister, P., Naehr, T., Niitsuma, S., Parkes, R.J., Schippers, A., Smith, D.C., Teske, A., Wiegel, J., Naranjo Padillo, C., and Solis Acosta, J.L., 2004. Distributions of microbial activities in deep subseafloor sediments. Science, 306:2216–2221. doi:10.1126/science.1101155
Dickens, G.R., 2001. Sulfate profiles and barium fronts in sediment on the Blake Ridge: present and past methane fluxes through a large gas hydrate reservoir. Geochim. Cosmochim. Acta, 65:529–543. doi:10.1016/S0016-7037(00)00556-1
Flemings, P.B., Liu, X., and Winters, W.J., 2003. Critical pressure and multiphase flow in Blake Ridge gas hydrates. Geology, 31:1057–1060. doi:10.1130/G19863.1
Franks, S.G., Boles, J.R., Fincannon, A.L., Freeman, K.H., Holba, A.G., and Jordan, E.D., 1997. Carbon isotopic composition of organic acids in oilfield waters, San Joaquin basin, California. AAPG 1997 Annu. Conv., 6:37. (Abstract)
Grauls, D., 2001. Gas hydrates: importance and applications in petroleum exploration. Mar. Pet. Geol., 18:519–523. doi:10.1016/S0264-8172(00)00075-1
Greinert, J., Bohrmann, G., and Suess, E., 2001. Gas hydrate-associated carbonates and methane venting at Hydrate Ridge: classification, distribution, and origin of authigenic lithologies. In Paull, C.K., Dillon, W.P. (Eds.), Natural Gas Hydrates: Occurrence, Distribution, and Dynamics. Gephys. Monogr., 124:99–113.
Haese, R.R., Meile, C., Van Cappellen, P., and De Lange, G., 2003. Carbon geochemistry of cold seeps: methane fluxes and transformation in sediments from Kazan mud volcano, eastern Mediterranean Sea. Earth Planet. Sci. Lett., 212:361–375. doi:10.1016/S0012-821X(03)00226-7
Hedges, J.I., Turin, H.J., and Ertel, J.R., 1984. Sources and distributions of sedimentary organic matter in the Columbia River drainage basin, Washington and Oregon. Limnol. Oceanogr., 29:35–46.
Heeschen, K.U., Tréhu, A.M., Collier, R.W., Suess, E., and Rehder, G., 2003. Distribution and height of methane bubble plumes on the Cascadia margin characterized by acoustic imaging. Geophys. Res. Lett., 30:1643–1646. doi:10.1029/2003GL016974
Hoefs, J., 1969. Natural calcium oxalate with heavy carbon. Nature (London, U. K.), 223:396.
Hornbach, M.J., Saffer, D.M., and Holbrook, W.S., 2004. Critically pressured free-gas reservoirs below gas-hydrate provinces. Nature (London, U. K.), 427:142–144. doi:10.1038/nature02172
Hovland, M., Lysne, D., and Whiticar, M., 1995. Gas hydrate and sediment gas composition, Hole 892A. In Carson, B., Westbrook, G.K., Musgrave, R.J., and Suess, E. (Eds.), Proc. ODP, Sci. Results, 146 (Pt 1): College Station, TX (Ocean Drilling Program), 151–161.
Hyndman, R.D., and Spence, G.D., 1992. A seismic study of methane hydrate marine bottom simulating reflectors. J. Geophys. Res., 97:6683–6698.
Jørgensen, B.B., Böttcher, M.E., Lüschen, H., Neretin, L.N., and Volkov, I.I., 2004. Anaerobic methane oxidation and a deep H2S sink generate isotopically heavy sulfides in Black Sea sediments. Geochim. Cosmochim. Acta, 68:2095–2118. doi:10.1016/j.gca.2003.07.017
Kastner, M., Kvenvolden, K.A., and Lorenson, T.D., 1998. Chemistry, isotopic composition, and origin of a methane-hydrogen sulfide hydrate at the Cascadia subduction zone. Earth Planet. Sci. Lett., 156:173–183. doi:10.1016/S0012-821X(98)00013-2
Mattavelli, L., Ricchiuto, T., and Martinenghi, C., 1992. Deep isotopic light methane in northern Italy. In Vially, R. (Ed.), Bacterial Gas: Paris (Technip), 121–132.
McKay, M.E., Moore, G.F., Cochrane, G.R., Moore, J.C., and Kulm, L.D., 1992. Landward vergence and oblique structural trends in the Oregon margin accretionary prism: implications and effect on fluid flow. Earth Planet. Sci. Lett., 109:477–491. doi:10.1016/0012-821X(92)90108-8
Milkov, A.V., Claypool, G.E., Lee, Y.-J., and Sassen, R., 2005. Gas hydrate systems at Hydrate Ridge offshore Oregon inferred from molecular and isotopic properties of gas hydrate-bound and void gases. Geochim. Cosmochim. Acta, 69(4):1007–1026. doi:10.1016/j.gca.2004.08.021
Milkov, A.V., Claypool, G.E., Lee, Y.-J., Torres, M.E., Borowski, W.S., Tomaru, H., Sassen, R., Long, P.E., and the ODP Leg 204 Scientific Party, 2004a. Ethane enrichment and propane depletion in subsurface gases indicate gas hydrate occurrence in marine sediments at southern Hydrate Ridge offshore Oregon. Org. Geochem., 35:1067–1080. doi:10.1016/j.orggeochem.2004.04.003
Milkov, A.V., Claypool, G.E., Lee, Y-J., Xu, W., Dickens, G.R., Borowski, W.S., and the ODP Leg 204 Scientific Party, 2003. In situ methane concentrations at Hydrate Ridge offshore Oregon: new constraints on the global gas hydrate inventory from an active margin. Geology, 31:833–836.
Milkov, A.V., Dickens, G.R., Claypool, G.E., Lee, Y-J., Borowski, W.S., Torres, M.E., Xu, W., Tomaru, H., Tréhu, A.M., and Schultheiss, P., 2004b. Co-existence of gas hydrate, free gas, and brine within the regional gas hydrate stability zone at Hydrate Ridge (Oregon margin): evidence from prolonged degassing of a pressurized core. Earth Planet. Sci. Lett.,222:829–843. doi:10.1016/j.epsl.2004.03.028
Niewöhner, C., Henson, C., Kasten, S., Zabel, M., and Schultz, H.D., 1998. Deep sulfate reduction completely mediated by anaerobic methane oxidation in sediments of the upwelling area off Nambia. Geochim. Cosmochim. Acta, 62:455–464. doi:10.1016/S0016-7037(98)00055-6
O'Leary, M.H., and Yapp, C.J., 1978. Equilibrium carbon isotope effect on a decarboxylation reaction. Biochem. Biophys. Res. Commun., 80:155–160.
Paull, C.K., Lorensen, T.D., Borowski, W.S., Ussler, W., III, Olsen, K., and Rodriguez, N.M., 2000. Isotopic composition of CH4, CO2 species, and sedimentary organic matter within samples from the Blake Ridge: gas source implications. In Paull, C.K., Matsumoto, R., Wallace, P.J., and Dillon, W.P. (Eds.), Proc. ODP, Sci. Results, 164: College Station, TX (Ocean Drilling Program), 67–78. [HTML]
Peters, K.E., Sweeney, R.E., and Kaplan, I.R., 1978. Correlation of carbon and nitrogen stable isotope ratios in sedimentary organic matter. Limnol. Oceanogr., 23:598–604.
Pimmel, A., and Claypool, G., 2001. Introduction to shipboard organic geochemistry on the JOIDES Resolution. ODP Tech. Note, 30 [Online]. Available from World Wide Web: <http://www-odp.tamu.edu/publications/tnotes/tn30/INDEX.HTM>. [Cited 2003-10-10]
Presley, B.J., and Kaplan, I.R., 1968. Changes in dissolved sulfate, calcium and carbonate from interstitial water of near shore sediments. Geochim. Cosmochim. Acta, 32:1037–1049. doi:10.1016/0016-7037(68)90106-3
Rooney, M.A., Claypool, G.E., and Chung, H.M., 1995. Modeling thermogenic gas generation using carbon isotope ratios of natural gas hydrocarbons. Chem. Geol.,126:219–232. doi:10.1016/0009-2541(95)00119-0
Schumacher, D., and Abrams, M.A., 1996. Hydrocarbon migration and its near-surface expression. AAPG Mem., 66:446.
Shipboard Scientific Party, 2003a. Explanatory notes. In Tréhu, A.M, Bohrmann, G., Rack, F.R., Torres, M.E., et al., Proc. ODP, Init. Repts., 204, 1–102 [CD-ROM]. Available from: Ocean Drilling Program, Texas A&M University, College Station TX 77845-9547, USA. [HTML]
Shipboard Scientific Party, 2003b. Site 1245. In Tréhu, A.M, Bohrmann, G., Rack, F.R., Torres, M.E., et al., Proc. ODP, Init. Repts., 204, 1–131 [CD-ROM]. Available from: Ocean Drilling Program, Texas A&M University, College Station TX 77845-9547, USA. [HTML]
Shipboard Scientific Party, 2003c. Site 1247. In Tréhu, A.M, Bohrmann, G., Rack, F.R., Torres, M.E., et al., Proc. ODP, Init. Repts., 204, 1–84 [CD-ROM]. Available from: Ocean Drilling Program, Texas A&M University, College Station TX 77845-9547, USA. [HTML]
Shipboard Scientific Party, 2003d. Site 1248. In Tréhu, A.M, Bohrmann, G., Rack, F.R., Torres, M.E., et al., Proc. ODP, Init. Repts., 204, 1–75 [CD-ROM]. Available from: Ocean Drilling Program, Texas A&M University, College Station TX 77845-9547, USA. [HTML]
Sloan, E.D., 1998. Clathrate Hydrates of Natural Gases (2nd ed.): New York (Marcel Dekker).
Suess, E., Torres, M.E., Bohrmann, G., Collier, R.W., Greinert, J., Linke, P., Rehder, G., Tréhu, A., Wallmann, K., Winckler, G., and Zuleger, E., 1999. Gas hydrate destabilization: enhanced dewatering, benthic material turnover and large methane plumes at the Cascadia convergent margin. Earth Planet. Sci. Lett.,170:1–15. doi:10.1016/S0012-821X(99)00092-8
Taylor, S.W., Sherwood Lollar, B., and Wassenaar, L.I., 2000. Bacteriogenic ethane in near-surface aquifers: implications for leaking hydrocarbon well bores. Environ. Sci. Technol., 34:4727–4732. doi:10.1021/es001066x
Torres, M.E., McManus, J., Hammond, D.E., de Angelis, M.A., Heeschen, K.U., Colbert, S.L., Tryon, M.D., Brown, K.M., and Suess, E., 2002. Fluid and chemical fluxes in and out of sediments hosting methane hydrate deposits on Hydrate Ridge, OR, I: Hydrological provinces. Earth Planet. Sci. Lett., 201:525–540. doi:10.1016/S0012-821X(02)00733-1
Torres, M.E., Wallmann, K., Tréhu, A.M., Bohrmann, G., Borowski, W.S., and Tomaru, H., 2004. Gas hydrate growth, methane transport, and chloride enrichment at the southern summit of Hydrate Ridge, Cascadia margin off Oregon. Earth Planet. Sci. Lett., 226:225–241. doi:10.1016/j.epsl.2004.07.029
Tréhu, A.M, Bohrmann, G., Rack, F.R., Torres, M.E., et al., 2003. Proc. ODP, Init. Repts., 204 [Online]. Available from World Wide Web: <http://www-odp.tamu.edu/publications/204_IR/204ir.htm>. [Cited 2003-11-24]
Tréhu, A.M., Long, P.E., Torres, M.E., Bohrmann, G., Rack, F.R., Collett, T.S., Goldberg, D.S., Milkov, A.V., Riedel, M., Schultheiss, P., Bangs, N.L., Barr, S.R., Borowski, W.S., Claypool, G.E., Delwiche, M.E., Dickens, G.R., Gracia, E., Guerin, G., Holland, M., Johnson, J.E., Lee, Y.-J., Liu, C.-S., Su, X., Teichert, B., Tomaru, H., Vanneste, M., Watanabe, M., and Weinberger, J.L., 2004. Three-dimensional distribution of gas hydrate beneath southern Hydrate Ridge: constraints from ODP Leg 204. Earth Planet. Sci. Lett., 222:845–862. doi:10.1016/j.epsl.2004.03.035
Tréhu, A.M., Torres, M.E., Moore, G.F., Suess, E., and Bohrmann, G., 1999. Temporal and spatial evolution of a gas-hydrate-bearing accretionary ridge on the Oregon continental margin. Geology, 27(10):939–942. doi:10.1130/0091-7613(1999)027<0939:TASEOA>2.3.CO;2
Vuletich, A.K., Threlkeld, C.N., and Claypool, G.E., 1989. Isotopic composition of gases and interstitial fluids in sediment of the Vøring Plateau, ODP Leg 104, Site 644. In Eldholm, O., Thiede, J., Taylor, E., et al., Proc. ODP, Sci. Results, 104: College Station, TX (Ocean Drilling Program), 281–283.
Waseda, A., and Didyk, B.M., 1995. Isotope compositions of gases in sediments from the Chile continental margin. In Lewis, S.D., Behrmann, J.H., Musgrave, R.J., and Candy, S.C., (Eds.), Proc. ODP, Sci. Results, 141: College Station, TX (Ocean Drilling Program), 307–312.
Xu, W., 2002. Phase balance and dynamic equilibrium during formation and dissociation of methane gas hydrate. Fourth Int. Conf. Gas Hydrates, 19023:199–200.
Zak, K., and Skala, R., 1993. Carbon isotopic composition of whewellite (CaC2O4·H2O) from different geological environments and its significance. Chem. Geol., 106:123–131. doi:10.1016/0009-2541(93)90169-J