Abstract
A recent swath-bathymetry and geophysical survey of the R/V L'Atalante in the Fairway Basin between Australia and New Caledonia allowed to confirm the Cretaceous age of the creation of the basin by continental stretching. This first stage of opening of the Fairway Basin is associated with the deposition of a continuous salt/mud layer feeding today numerous diapirs, some of them piercing the 3 to 4 km thick sedimentary cover and reaching the seafloor. In close link with this salt/mud layer a Bottom Simulating Reflector indicator of gas hydrates level occupies a 70 000 km2 surface at about 500 to 600 m-depth beneath the sea floor. The coexistence of both BSR and diapirs suggests a thermogenic better than biogenic origin for the gas hydrates horizon.
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Auzende, J.M., Van de Beuque, S., Regnier, M., Lafoy, Y. and Symonds, P., 2000, Origin of New Caledonian ophiolites based on French-Australian Seismic Transect (FAUST), Marine Geol. 162: 225–236.
Auzende, J-M., Bonnin, J., Olivet, J-L., Pautot, G. and Mauffret, A., 1971, An upper-Miocene salt layer in the western mediterranean basin, Nature 230: 82–84.
Avias, J., 1967, Overthrust structure of the main ultrabasic New Caledonian massives, Tectonophysics 4: 531–541.
Burns, R.E, Andrews, J.E. and the scientific party, 1973, Site 208. Initial Report Deep Sea Drilling Project 21: 271–331.
Dickens, G.R. and Quinby-Hunt, M.S., 1994, Methane hydrate stability in seawater, Geophys. Res. Lett. 21: 2115–2118.
Dickens, G.R., Paull, C.K., Wallace, P. and ODP Leg 164 Sciemce Party, 1997, Direct measurement of in situ methane quantities in a large gas-hydrate reservoir, Nature 385: 426–428.
Dooley, J.C., 1963, Results of Southwest Pacific submarine gravity survey 1956, Bur. Mineral Res. Aust. Rec. 43.
Eade, J., 1988, The Norfolk Ridge system and its margins, in A.E.M. Nairn, F.G. Stehli and S. Uyeda (ed,), The Ocean Basins and Margins: The Pacific Ocean, vol. 7B, Plenum Press, New York, p. 303–324.
Exon, N.F., Dickens, G.R., Auzende, J.-M., Lafoy, Y., Symonds, P.A. and Van de Beuque, S., 1998, Gas hydrates and free gas on the Lord Howe Rise, PESA J. 26: 148–158.
Gaina, C., Müller, D.T., Royer, J-Y., Stock, J., Hardebeck, J. and Symonds, P., 1998, The tectonic history of the Tasman Sea: a puzzle with 13 pieces, J. Geophys. Res. 103: 12 413–12 433.
Gornitz, V. and Fung, I., 1994, Potential distribution of methane hydrates in the world's oceans, Global Biogeochem. Cycles 8: 335–347.
Hayes, D.E. and Ringis, J., 1973, Seafloor spreading in the Tasman Sea, Nature 243: 454–458.
Jongsma, D. and Mutter, J.C., 1978, Non axial breaching of a rift valley: evidence from the Lord Howe Rise and the Southeastern Australian margin, Earth Planetary Sci. Lett. 39: 226–334.
Kennett, J.P., von der Borch, and Scientific Party, 1985, Initial Reports of the Deep Sea Drilling Project, vol. 90, U.S. Government Printing Office, Washington, 1517 pp.
Kvenvolden, K.A., 1993, Gas hydrates – geological perspective and global change, Am. Geophys. Union Rev. Geophysics 31: 173–187.
Lafoy, Y, Pelletier, B., Auzende, J.M., Missegue, F. and Mollard, L., 1994, Tectonique compressive Cénozoïque sur les rides de Fairway et Lord Howe, entre Nouvelle-Calédonie et Australie. C.R. Acad. Sci., Paris 319: 1063–1069.
Lafoy, Y., Bernardel, G. and Van de Beuque, S., 1998, Campagne de sismique multitraces entre la marge Est Australienne et le Sud de l'arc des Nouvelles-Hébrides, Rapport de la campagne Rig-Seismic 206, Programme FAUST, Rapport ZoNéCo, 40 pp.
Morin, R.H., 1986, Physical properties of calcareous sediments from the South-West Pacific, in Kennet, J.P., von der Borch, C.C. et al. (eds), Initial Reports of the Deep Sea Drilling Project 90, vol. 90, U.S. Government Printing Office, Washington, pp. 1239–1246.
Morin, R.H. and Von Herzer R.P., 1986, Gethermal measurements at deep sea drilling prject site 587, in Kennet, J.P., von der Borch, C.C., et al. (eds), Initial Reports of the Deep Sea Drilling Project 90, vol. 90, U.S. Government Printing Office, Washington, pp. 1317–1324.
Officer, C.B., 1955, South West Pacific crustal structure, EOS Trans., Am. Geophys. Union 36: 449–459.
Paris, J.P., 1981, Géologie de la Nouvelle-Calédonie, Thèse, Mém. Bureau Rech. Géol. Min., 278 p.
Pautot, G., Auzende, J-M. and Le Pichon, X., 1970, Continuous deep-sea salt layer along North Atlantic margin related to early phase of rifting, Nature 227: 351–354.
Ravenne, C., de Broin, C.E., Dupont, J., Lapouille, J. and Launay, J., 1977, New Caledonia Basin-Fairway Ridge: structural and sedimentary study, in Technip (ed), International Symposium on Geodynamics in the South-West Pacific, Nouméa 1976, Paris, pp. 145–154.
Shaw, R.D., 1978, Seafloor spreading in the Tasman Sea; a Lord Howe Rise-Eastern Australian reconstruction, in P.J. Coleman (ed.), Southwest Pacific Earth Science Symposium and IGCP Project Meeting, 2nd, vol. 9, Australian Society of Exploration Geophysicists Bulletin, pp. 75–81.
Shor, G.G.J., Kirk, H.K. and Menard, H.W., 1971, Crustal structure of the Melanesian aera, J. Geophysical Res. 76: 2562–2586.
Symonds, P.A., J.B., C., Struckmeyer, H.L.M., Willcox, J.B. and Hill, P.J., 1996, Mesozoic rift basin development off eastern Australia, Mesozoic Geol. Eastern Australia Plate Conf. 43: 528–542.
Van de Beuque, S., Auzende, J.-M., Lafoy, Y. and Missegue, F., 1998a, Tectonique et volcanisme tertiaire sur la ride de Lord Howe (Sud-Ouest Pacifique), C.R. Acad. Sci. Paris 326: 663–669.
Van de Beuque, S., Auzende, J.-M., Lafoy, Y., Bernardel, G., Nercessian, A., Regnier, M., Symonds, P. and Exon, N., 1998b, Transect sismique continu entre l'arc des Nouvelles-Hébrides et la marge orientale de l'Australie: programme FAUST (French AUstralian Transect), C. R. Acad. Sci. Paris 327: 761–768.
Van de Beuque, S., 1999, Evolution Géologique du Domaine Péri-Calédonien (Sud-Ouest Pacifique, Thèse de Doctorat, Université de Bretagne Occidentale, 270 p.
Weissel, J.K. and Hayes, D.E., 1977, Evolution of the Tasman sea reappraised, Earth Planetary Sci. Lett. 36: 77–84.
Willcox, J.B., Symonds, P.A., Hinz, K. and Bennett, D., 1980, Lord Howe Rise, Tasman Sea-preliminary geophysical results and petroleum prospects, BMR J. Aust. Geol. Geophys. 5: 225–236.
Woodward, D.J. and Hunt, T.M., 1971, Crustal structure across the Tasman sea, N.Z. J. Geol. Geophys. 14: 39–45.
Zatsepina, O. and Buffet, B., 1997, Phase equilibrium of gas hydrates: implications for the formation of hydrate in the deep sea floor, Geophys. Res. Lett. 24: 1567–1570.
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Auzende, J.M., Van de Beuque, S., Dickens, G. et al. Deep sea diapirs and bottom simulating reflector in Fairway Basin (SW Pacific). Marine Geophysical Researches 21, 579–587 (2000). https://doi.org/10.1023/A:1004848715044
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DOI: https://doi.org/10.1023/A:1004848715044