Table Of Content

Contents Marine Geology Volume 98, 1991 Editorial Suggestions for authors whose manuscripts include quantitative clay mineral analysis by X-ray diffraction D.A. McManus (Seattle, Wash., U.S.A.) Research Papers Measuring suspended sediment concentrations using acoustic backscatter devices P.D. Thorne (Birkenhead, U.K.), C.E. Vincent (Norwich, U.K.), P.J. Hardcastle (Birkenhead, U.K.), S. Rehman (Norwich, U.K.) and N. Pearson (Lowestoft, U.K.) Terrigeneous dilution: using a method for quantifying hydrothermal input in the sedimentary environment M. Jébrak and M. Gauthier (Montreal, Que., Canada) Interaction between hemipelagic sediment and a hydrothermal system: Middle Valley, northern Juan de Fuca Ridge, subarctic northeast Pacific I.S. Al-Aasm (Windsor, Ont., Canada) and B. Blaise (Villeneuve d’Ascq, France) The vertical change in clay mineral composition and chemical characteristics of smectite in sediment cores from the southern part of the Central Pacific Ocean S. Aoki (Asaka Saitama, Japan) and N. Kohyama (Tamaku Kawasaki, Japan) Sediment accumulation in a modern epicontinental-shelf setting: The Yellow Sea C.R. Alexander (Stony Brook, N.Y., U.S.A. and Savannah, Ga., U.S.A.), D.J. DeMaster (Raleigh, N.C., U.S.A.) and C.A. Nittrouer (Stony Brook, N.Y., U.S.A.) Continuous surface dwelling of manganese nodules on a hill on the Madeira Abyssal Plain during abrupt sedimentation changes J.H.J. Ebbing (Haarlem, The Netherlands), K. van der Borg and A.F.M. de Jong (Utrecht, The Netherlands) and H.P. Nederhof (Haarlem, The Netherlands) Seismic stratigraphy of Discovery Bay, Jamaica A.C. Hine (St. Petersburg, Fla., U.S.A.), L.S. Land (Austin, Tex., U.S.A.), T.D. Clayton (St. Petersburg, Fla., U.S.A.) and M.L. McCullough (Houston, Tex., U.S.A.) Deltas, spits and littoral terraces associated with rising sea level: Late Quaternary examples from northern Iceland K. Thors (Reykjavik, Iceland) and G.S. Boulton (Edinburgh, U.K.) Analysis of sedimentary organic matter of a glacial/interglacial change (oxygen isotope stage 6/5) in the Norwegian—Greenland Sea R. Botz and H. Erlenkeuser (Kiel, Germany) and J. Koch and H. Wehner (Hannover, Germany) Fluvial sediment delivery to a Coastal Plain estuary in the Atlantic Drainage of the United States J.D. Phillips (Greenville, N.C., U.S.A.) Letter Section Shallow seismic stratigraphy and distribution pattern of late Quaternary sediments in a macrotidal bay: Gunhung Bay, west coast of Korea S.C. Park (Taejon, Korea), Y.S. Kim (Kongju, Korea) and S.K. Hong (Taejon, Korea) Beachrock formation in low latitudes: implications for coastal evolutionary models J.A.G. Cooper (Congella, South Africa) Special Issue: The Geology, Geophysics and Mineral Resources of the South Pacific (Edited by K.A.W. Crook) William (Bill) Coulbourn, 1946-1990 Preface A decade of growth in the South Pacific marine geoscience data base K.A.W. Crook and N.F. Exon (Canberra, A.C.T., Australia) and P.J. Coleman (Nedlands, W.A., Australia) Dynamic strike-slip fault systems with respect to the Solomon Islands, and their effect on mineral potential P.J. Coleman (Nedlands, W.A., Australia) 470 Potential Mio-Pliocene reef traps in the Iron Bottom Basin, Solomon Islands H. Johnson and J. Pflueger (Suva, Fiji) Geological structure of the central spreading system, North Fiji Basin M. Tanahashi, K. Kisimoto, M. Joshima, Y. Lafoy and E. Honza (Tsukuba, Japan) and J.M. Auzende (Brest, France) Petrology and geochemistry of the central North Fiji Basin spreading centre (Southwest Pacific) between 16°S and 22°S J.-P. Eissen (Nouméa, New Caledonia), C. Lefévre (Villeneuve d’Ascq, France), P. Maillet (Bundoora, Vic., Australia), G. Morvan (Brest, France) and M. Nohara (Tsukuba, Japan) Tectonics and magma genesis in the northern North Fiji Basin R.C. Price (Bundoora, Vic., Australia) and L.W. Kroenke (Honolulu, Hawaii, U.S.A.) ...........ccccccccessescceesseeceeesseeeeeesteeeeeeees 241 In situ geological and geochemical study of an active hydrothermal site on the North Fiji Basin ridge J.-M. Auzende (Plouzané, France), T. Urabe (Tsukuba, Japan), V. Bendel (Brest, France), C. Deplus (Paris, France), J.-P. Eissen (Nouméa, New Caledonia), D. Grimaud and P. Houchon (Paris, France), J. Ishibashi (Tokyo, Japan), M. Joshima (Tsukuba, Japan), Y. Lagabrielle (Brest, France), C. Mével (Paris, France), J. Naka (Yokosuka, Japan), E. Ruellan (Valbonne, France), T. Tanaka (Yokosuka, Japan) and M. Tanahashi (Tsukuba, Japan) Accumulation rates, chemical partitioning, and Q-mode factor analysis of metalliferous sediments from the North Fiji Basin G.M. McMurtry, E.H. De Carlo and K.H. Kim (Honolulu, Hawaii) Geochemistry and geochronology of a hydrothermal ferromanganese deposit from the North Fiji Basin E. Murphy, G.M. McMurtry, K.H. Kim and E.H. DeCarlo (Honolulu, Hawaii, U.S.A.) ...... ccc cecessseeseeeeeeeeseeeseeeeeeeeeeeeees 297 Petroleum geology of Fiji H. Johnson (Suva, Fiji) Geochemistry of recent hydrothermal sediments in relation to tectonic environment in the Lau Basin, southwest Pacific SPAS Ameen C OL ATTEN TPs, ©I ANA RINNE RSD ooo psc ses ccs odsceccntevsdcondussacecccusedsencoss aentccse Caascaceaducsasasuvdeeecdetuadbavaseavdeosvaedasas A field of volcanoes on the Manihiki Plateau: mud or lava? W.T. Coulbourn (Honolulu, Hawaii) and P.J. Hill (Canberra, A.C.T., Australia) Hydrothermal iron-rich deposits from the Teahitia—Mehitia and Macdonald hot spot areas, Southwest Pacific D. Puteanus (Kiel, F.R.G.), G.P. Glasby (Wellington, New Zealand), P. Stoffers (Kiel, F.R.G.) and H. Kunzendorf (Roskilde, Denmark) The formation of manganese nodules between the Clarion and Clipperton fracture zones southeast of Hawaii VOD CRIN RING 51, CRORE CEM NET, FCS, ) iia sssascscsccecccciccesiecvatee consscsueddsiccesansceccensssscavsnsakebansosssczndeusesvededuernane 411 Manganese nodules in the EEZ’s of island countries in the southwestern equatorial Pacific ED chs AMORA, RPA; FACTION GANNGS: SS. SURIRBEE CUSHING) iss sici cacsusccuabscvcesciadsnaisenccsccevnadecssansinsinenaseoiucisevessseeveseecteseuaase 425 Regional and depth variability in the composition of cobalt-rich ferromanganese crusts from the SOPAC area and adjacent parts of the central equatorial Pacific ea Na ENS TO 5,5N ID Ce I iis ascidian sstss'naticscscsasex siege desea daatladhactisvoentaes tuetbaeteienn 437 Paleoceanographic implications of rare element variability within a Fe-Mn crust from the central Pacific Ocean ee Ue NT e CR COMININEIANL . RNIPINEE MD INN is bs cai das vcasian aided acan caivdurceaseocdudce uevdesnccaccusaiucdcaaasvnocpssuuustvuanucddicnolacteobndoilandins edausee 449