REFERENCES

Abelmann, A., 1992. Early to middle Miocene radiolarian stratigraphy of the Kerguelen Plateau, Leg 120. In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120: College Station, TX (Ocean Drilling Program), 757-783.

Archie, G.E., 1942. The electrical resistivity log as an aid in determining some reservoir characteristics. Trans. Am. Inst. Min. Metall. Pet. Eng., 146:54-62.

Backman, J., and Raffi, I., 1997. Calibration of Miocene nannofossil events to orbitally tuned cyclostratigraphies from Ceara Rise. In Shackleton, N.J., Curry, W.B., Richter, C., and Bralower, T.J. (Eds.), Proc. ODP, Sci. Results, 154: College Station, TX (Ocean Drilling Program), 83-99.

Baldauf, J.G., and Barron, J.A., 1991. Diatom biostratigraphy: Kerguelen Plateau and Prydz Bay regions of the Southern Ocean. In Barron, J., Larsen, B., et al., Proc. ODP, Sci. Results, 119: College Station, TX (Ocean Drilling Program), 547-598.

Barron, J.A., 1992. Neogene diatom datum levels in the equatorial and North Pacific. In Ishizaki, K., and Saito, T. (Eds.), The Centenary of Japanese Micropaleontology: Tokyo (Terra Sci. Publ.), 413-425.

Barron, J.A., Baldauf, J.G., Barrera, E., Caulet, J.-P., Huber, B.T., Keating, B.H., Lazarus, D., Sakai, H., Thierstein, H.R., and Wei, W., 1991. Biochronologic and magnetochronologic synthesis of Leg 119 sediments from the Kerguelen Plateau and Prydz Bay, Antarctica. In Barron, J., Larsen, B., et al., Proc. ODP, Sci. Results, 119: College Station, TX (Ocean Drilling Program), 813-847.

Berggren, W.A., 1992a. Neogene planktonic foraminifer magnetobiostratigraphy of the southern Kerguelen Plateau (Sites 747, 748, and 751). In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120 (Pt. 2): College Station, TX (Ocean Drilling Program), 631-647.

--------, 1992b. Paleogene planktonic foraminifer magnetobiostratigraphy of the Southern Kerguelen Plateau (Sites 747-749). In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120 (Pt. 2): College Station, TX (Ocean Drilling Program), 551-568.

Berggren, W.A., and Aubert J., 1983. Paleogene benthonic foraminiferal biostratigraphy and bathymetry of the Central Coast Ranges of California. In Brabb, E.E. (Ed.), Studies in Tertiary Stratigraphy of the California Coast Ranges. Geol. Surv. Prof. Pap. U.S., 1213:4-21.

Berggren, W.A., Hilgen, F.J., Langereis, C.G., Kent, D.V., Obradovich, J.D., Raffi, I., Raymo, M.E., and Shackleton, N.J., 1995a. Late Neogene chronology: new perspectives in high-resolution stratigraphy. Geol. Soc. Am. Bull., 107:1272-1287.

Berggren, W.A., Kent, D.V., Swisher, C.C., III, and Aubry, M.-P., 1995b. A revised Cenozoic geochronology and chronostratigraphy. In Berggren, W.A., Kent, D.V., Aubry, M.-P., and Hardenbol, J. (Eds.), Geochronology, Time Scales and Global Stratigraphic Correlation. Spec. Publ.--Soc. Econ. Paleontol. Mineral. (Soc. Sediment. Geol.), 54:129-212.

Blum, P., 1997. Physical Properties Handbook: a Guide to the Shipboard Measurements of Physical Properties of Deep-sea Cores. ODP Tech. Note, 26.

Boyce, R.E., 1968. Electrical resistivity of modern marine sediments from the Bering Sea. J. Geophys. Res., 73:4759-4766.

Brunner, C.A., 1991. Latest Miocene to Quaternary biostratigraphy and paleoceanography, Site 704, subantarctic South Atlantic Ocean. In Ciesielski, P.F., Kristoffersen, Y., et al., Proc. ODP, Sci. Results, 114: College Station, TX (Ocean Drilling Program), 201-215.

Bukry, D., 1973. Low-latitude coccolith biostratigraphic zonation. In Edgar, N.T., Saunders, J.B., et al., Init. Repts. DSDP, 15: Washington (U.S. Govt. Printing Office), 685-703.

--------, 1975. Coccolith and silicoflagellate stratigraphy, northwestern Pacific Ocean, Deep Sea Drilling Project Leg 32. In Larson, R.L., Moberly, R., et al., Init. Repts. DSDP, 32: Washington (U.S. Govt. Printing Office), 677-701.

Cande, S.C., and Kent, D.V., 1995. Revised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic. J. Geophys. Res., 100:6093-6095.

Caulet, J.-P., 1991. Radiolarians from the Kerguelen Plateau, Leg 119. In Barron, J., Larsen, B., et al., Proc. ODP, Sci. Results, 119: College Station, TX (Ocean Drilling Program), 513-546.

Crux, J.A., 1991. Calcareous nannofossils recovered by Leg 114 in the subantarctic South Atlantic Ocean. In Ciesielski, P.F., Kristoffersen, Y., et al., Proc. ODP, Sci. Results, 114: College Station, TX (Ocean Drilling Program), 155-177.

Curry, W.B., Shackleton, N.J., Richter, C., et al., 1995. Proc. ODP, Init. Repts., 154: College Station, TX (Ocean Drilling Program).

Davis, E.E., Mottl, M.J., Fisher, A.T., et al., 1992. Proc. ODP, Init. Repts., 139: College Station, TX (Ocean Drilling Program).

Eisma, D., and Van der Gaast, S.J., 1971. Determination of opal in marine sediments by X-ray diffraction. Neth. J. Sea Res., 5:382-389.

Ellis, D.V., 1987. Well Logging for Earth Scientists: New York (Elsevier).

Emeis, K.-C., and Kvenvolden, K.A., 1986. Shipboard organic geochemistry on JOIDES Resolution. ODP Tech. Note, 7.

Emerson, S., and Hedges, J.I., 1988. Processes controlling the organic carbon content of open ocean sediments. Paleoceanography, 3:621-634.

Farrell, J.W., and Janecek, T.R., 1991. Late Neogene paleoceanography and paleoclimatology of the northeast Indian Ocean (Site 758). In Weissel, J., Peirce, J., Taylor, E., Alt, J., et al., Proc. ODP, Sci. Results, 121: College Station, TX (Ocean Drilling Program), 297-355.

Fenner, J., 1984. Eocene-Oligocene planktic diatom stratigraphy in the low latitudes and the high southern latitudes. Micropaleontology, 30:319-342.

Foreman, H.P., 1975. Radiolaria from the North Pacific, Deep Sea Drilling Project, Leg 32. In Larson, R.L., Moberly, R., et al., Init. Repts. DSDP, 32: Washington (U.S. Govt. Printing Office), 579-676.

Gartner, S., 1977. Calcareous nannofossil biostratigraphy and revised zonation of the Pleistocene. Mar. Micropaleontol., 2:1-25.

--------, 1990. Neogene calcareous nannofossil biostratigraphy, Leg 116 (Central Indian Ocean). In Cochran, J.R., Stow, D.A.V., et al., Proc. ODP, Sci. Results, 116: College Station, TX (Ocean Drilling Program), 165-187.

--------, 1992. Miocene nannofossil chronology in the North Atlantic, DSDP Site 608. Mar. Micropaleontol., 18:307-331.

Gersonde, R., Abelmann, A., Burckle, L.H., Hamilton, N., Lazarus, D., McCartney, K., O'Brien, P., Spieß, V., and Wise, S.W., Jr., 1990. Biostratigraphic synthesis of Neogene siliceous microfossils from the Antarctic Ocean, ODP Leg 113 (Weddell Sea). In Barker, P.F., Kennett, J.P., et al., Proc. ODP, Sci. Results, 113: College Station, TX (Ocean Drilling Program), 915-936.

Gersonde, R., and Bárcena, M.A., 1998. Revision of the late Pliocene-Pleistocene diatom biostratigraphy for the northern belt of the Southern Ocean. Micropaleontology, 44:1-15.

Gersonde, R., and Burckle, L.H., 1990. Neogene diatom biostratigraphy of ODP Leg 113, Weddell Sea (Antarctic Ocean). In Barker, P.F., Kennett, J.P., et al., Proc. ODP, Sci. Results, 113: College Station, TX (Ocean Drilling Program), 761-789.

Gersonde, R., Spieß, V., Flores, J. A., Hagen, R., and Kuhn, G., 1998. The sediments of Gunnerus Ridge and Kainan Maru Seamount (Indian sector of Southern Ocean). Deep-Sea Res. Part I, 45:1515-1540.

Gieskes, J.M., Gamo, T., and Brumsack, H., 1991. Chemical methods for interstitial water analysis aboard JOIDES Resolution. ODP Tech. Note, 15.

Gombos, A.M., Jr., 1983. Middle Eocene diatoms from the South Atlantic. In Ludwig, W.J., Krasheninnikov, V.A., et al., Init. Repts. DSDP, 71 (Pt. 1): Washington (U.S. Govt. Printing Office), 565-582.

Gombos, A.M., Jr., and Ciesielski, P.F., 1983. Late Eocene to early Miocene diatoms from the southwest Atlantic. In Ludwig, W.J., Krasheninnikov, V.A., et al., Init. Repts. DSDP, 71 (Pt. 2): Washington (U.S. Govt. Printing Office), 583-634.

Hagelberg, T.K., Pisias, N.G., Shackleton, N.J., Mix, A.C., and Harris, S., 1995. Refinement of a high-resolution, continuous sedimentary section for studying equatorial Pacific Ocean paleoceanography, Leg 138. In Pisias, N.G., Mayer, L.A., Janecek, T.R., Palmer-Julson, A., and van Andel, T.H. (Eds.), Proc. ODP, Sci Results, 138: College Station, TX (Ocean Drilling Program), 31-46.

Hagelberg, T., Shackleton, N., Pisias, N., and Shipboard Scientific Party, 1992. Development of composite depth sections for Sites 844 through 854. In Mayer, L., Pisias, N., Janecek, T., et al., Proc. ODP, Init. Repts., 138 (Pt. 1): College Station, TX (Ocean Drilling Program), 79-85.

Harwood, D.M., Lazarus, D.B., Abelmann, A., Aubry, M.-P., Berggren, W.A., Heider, F., Inokuchi, H., Maruyama, T., McCartney, K., Wei, W., and Wise, S.W., Jr., 1992. Neogene integrated magnetobiostratigraphy of the central Kerguelen Plateau, Leg 120. In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120: College Station, TX (Ocean Drilling Program), 1031-1052.

Harwood, D.M., and Maruyama, T., 1992. Middle Eocene to Pleistocene diatom biostratigraphy of Southern Ocean sediments from the Kerguelen Plateau, Leg 120. In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120: College Station, TX (Ocean Drilling Program), 683-733.

Hempel, P., and Bohrmann, G., 1990. Carbonate-free sediment components and aspects of silica diagenesis at Sites 707, 709, and 711 (Leg 115, western Indian Ocean). In Duncan, R.A., Buckman, J., Peterson, L.C., et al., Proc. ODP, Sci. Results, 115: College Station, TX (Ocean Drilling Program), 677-698.

Jansen, E., Raymo, M.E., Blum, P., et al., 1996. Proc. ODP, Init. Repts., 162: College Station, TX (Ocean Drilling Program).

Jenkins, D.G., and Srinivasan, M.S., 1986. Cenozoic planktonic foraminifers from the equator to the sub-antarctic of the southwest Pacific. In Kennett, J.P., von der Borch, C.C., et al., Init. Repts. DSDP, 90: Washington (U.S. Govt. Printing Office), 795-834.

Johnson, D.A., Schneider, D.A., Nigrini, C.A., Caulet, J.-P., and Kent, D.V., 1989. Pliocene-Pleistocene radiolarian events and magnetostratigraphic calibrations for the tropical Indian Ocean. Mar. Micropaleontol., 14:33-66.

Kennett, J.P., and Srinivasan, M.S., 1983. Neogene Planktonic Foraminifera: A Phylogenetic Atlas: Stroudsburg, PA (Hutchinson Ross).

Lamont-Doherty Earth Observatory-Borehole Research Group, 1994. Wireline Logging Services Guide: Lamont-Doherty Earth Observatory-Borehole Research Group.

Lazarus, D., 1992. Antarctic Neogene radiolarians from the Kerguelen Plateau, Legs 119 and 120. In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120: College Station, TX (Ocean Drilling Program), 785-809.

Lourens, L.J., Antonarakou, A., Hilgen, F.J., Van Hoof, A.A.M., Vergnaud-Grazzini, C., and Zachariasse, W.J., 1996. Evaluation of the Plio-Pleistocene astronomical timescale. Paleoceanography, 11:391-413.

Lyle, M., Koizumi, I., Richter, C., et al., 1997. Proc. ODP, Init. Repts., 167: College Station, TX (Ocean Drilling Program).

Mackensen, A., 1992. Neogene benthic foraminifers from the southern Indian Ocean (Kerguelen Plateau): biostratigraphy and paleoecology. In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120: College Station, TX (Ocean Drilling Program), 649-673.

Mackensen, A., and Spiegler, D., 1992. Middle Eocene to early Pliocene Bolboforma (algae?) from the Kerguelen Plateau, southern Indian Ocean. In Wise, S.W., Jr., Schlich, R., et al., Proc. ODP, Sci. Results, 120: College Station, TX (Ocean Drilling Program), 675-682.

Manheim, F.T., and Sayles, F.L., 1974. Composition and origin of interstitial waters of marine sediments, based on deep sea drill cores. In Goldberg, E.D. (Ed.), The Sea (Vol. 5): Marine Chemistry: The Sedimentary Cycle: New York (Wiley), 527-568.

Martini, E., 1971. Standard Tertiary and Quaternary calcareous nannoplankton zonation. In Farinacci, A. (Ed.), Proc. 2nd Int. Conf. Planktonic Microfossils Roma: Rome (Ed. Tecnosci.), 2:739-785.

Mazzullo, J.M., Meyer, A., and Kidd, R.B., 1988. New sediment classification scheme for the Ocean Drilling Program. In Mazzullo, J., and Graham, A.G. (Eds.), Handbook for Shipboard Sedimentologists. ODP Tech. Note, 8:45-67.

Meyers, P.A., 1994. Preservation of elemental and isotopic source identification of sedimentary organic matter. Chem. Geol., 144:289-302.

Mix, A.C., Rugh, W., Pisias, N.G., Veirs, S., Leg 138 Shipboard Sedimentologists (Hagelberg, T., Hovan, S., Kemp, A., Leinen, M., Levitan, M., Ravelo, C.), and Leg 138 Scientific Party, 1992. Color reflectance spectroscopy: a tool for rapid characterization of deep-sea sediments. In Mayer, L., Pisias, N., Janecek, T., et al., Proc. ODP, Init. Repts., 138 (Pt. 1): College Station, TX (Ocean Drilling Program), 67-77.

Moore, T.C., Jr., 1995. Radiolarian stratigraphy, Leg 138. In Pisias, N.G., Mayer, L.A., Janecek, T.R., Palmer-Julson, A., and van Andel, T.H. (Eds.), Proc. ODP, Sci. Results, 138: College Station, TX (Ocean Drilling Program), 191-232.

Morley, J.J., 1985. Radiolarians from the Northwest Pacific, Deep Sea Drilling Project Leg 86. In Heath, G.R., Burckle, L.H., et al., Init. Repts. DSDP, 86: Washington (U.S. Govt. Printing Office), 399-422.

Morley, J.J., and Nigrini, C., 1995. Miocene to Pleistocene radiolarian biostratigraphy of North Pacific Sites 881, 884, 885, 886, and 887. In Rea, D.K., Basov, I.A., Scholl, D.W., and Allan, J.F. (Eds.), Proc. ODP, Sci. Results, 145: College Station, TX (Ocean Drilling Program), 55-91.

Okada, H., and Bukry, D., 1980. Supplementary modification and introduction of code numbers to the low-latitude coccolith biostratigraphic zonation (Bukry, 1973; 1975). Mar. Micropaleontol., 5:321-325.

Perch-Nielsen, K., 1985. Mesozoic calcareous nannofossils. In Bolli, H.M., Saunders, J.B., and Perch-Nielsen, K. (Eds.), Plankton Stratigraphy: Cambridge (Cambridge Univ. Press), 329-426.

Pujol, C., and Bourrouilh, R., 1991. Late Miocene to Holocene Planktonic foraminifers from the subantarctic South Atlantic. In Ciesielski, P.F., Kristoffersen, Y., et al., Proc. ODP, Sci. Results, 114: College Station, TX (Ocean Drilling Program), 217-232.

Pujos, A., 1988. Spatio-temporal distribution of some Quaternary coccoliths. Oceanol. Acta, 11:65-77.

Qvale, G., and Spiegler, D., 1989. The stratigraphic significance of Bolboforma (algae, Chrysophyta) in Leg 104 samples from the Vøring Plateau. In Eldholm, O., Thiede, J., Taylor, E., et al., Proc. ODP, Sci. Results, 104: College Station, TX (Ocean Drilling Program), 487-495.

Raffi, I., Backman, J., Rio, D., and Shackleton, N.J., 1993. Plio-Pleistocene nannofossil biostratigraphy and calibration to oxygen isotopes stratigraphies from Deep Sea Drilling Project Site 607 and Ocean Drilling Program Site 677. Paleoceanography, 8:387-408.

Raffi, I., and Flores, J.-A., 1995. Pleistocene through Miocene calcareous nannofossils from eastern equatorial Pacific Ocean (Leg 138). In Pisias, N.G., Mayer, L.A., Janecek, T.R., Palmer-Julson, A., and van Andel, T.H. (Eds.), Proc. ODP, Sci. Results, 138: College Station, TX (Ocean Drilling Program), 233-286.

Rio, D., 1982. The fossil distribution of coccolithophore genus Gephyrocapsa Kamptner and related Plio-Pleistocene chronostratigraphic problems. In Prell, W.L., Gardner, J.V., et al., Init. Repts. DSDP, 68: Washington (U.S. Govt. Printing Office), 325-343.

Ruddiman, W.F., Cameron, D., and Clement, B.M., 1987. Sediment disturbance and correlation of offset holes drilled with the hydraulic piston corer: Leg 94. In Ruddiman, W.F., Kidd, R.B., Thomas, E., et al., Init. Repts. DSDP, 94 (Pt. 2): Washington (U.S. Govt. Printing Office), 615-634.

Schlumberger, 1989. Log Interpretation Principles/Applications: Houston, TX (Schlumberger Educ. Services).

--------, 1994. Geological High-Resolution Magnetic Tool (GHMT) Interpretation Method: Schlumberger Riboud Product Center.

Schrader, H.J., and Gersonde, R., 1978. Diatoms and silicoflagellates. Utrecht Micropaleontol. Bull., 17:129-176.

Scott, G.H., Bishop, S., and Burt, B.J., 1990. Guide to Some Neogene Globotalids (Foraminiferida) from New Zealand. New Zealand Geol. Surv. Paleontol. Bull., 61; New Zealand Geological Survey DSIR, Lower Hutt.

Serra, O., 1984. Fundamentals of Well-Log Interpretation (Vol. 1): The Acquisition of Logging Data: Dev. Pet. Sci., 15A: Amsterdam (Elsevier).

Shipboard Scientific Party, 1988. Explanatory notes. In Barker, P.F., Kennett, J.P., et al., Proc. ODP, Init. Repts., 113: College Station, TX (Ocean Drilling Program), 13-32.

--------, 1994. Explanatory notes. In Westbrook, G.K., Carson, B., Musgrave, R.J., et al., Proc. ODP, Init. Repts., 146 (Pt. 1): College Station, TX (Ocean Drilling Program), 15-48.

--------, 1998a. Explanatory notes. In Keigwin, L.D., Rio, D., Acton, G.D., et al. Proc. ODP, Init. Repts., 172: College Station, TX (Ocean Drilling Program), 13-29.

--------, 1998b. Explanatory notes. In Wefer, G., Berger, W.H., Richter, C., et al., Proc. ODP, Init. Repts., 175: College Station, TX (Ocean Drilling Program), 27-46.

Spiegler, D., 1991. Occurrence of Bolboforma (algae, Chrysophyta) in the subantarctic (Atlantic) Paleogene. In Ciesielski, P.F., Kristoffersen, Y., et al., Proc. ODP, Sci. Results, 114: College Station, TX (Ocean Drilling Program), 325-334.

Stott, L.D., and Kennett, J.P., 1990. Antarctic Paleogene planktonic foraminifer biostratigraphy: ODP Leg 113, Sites 689 and 690. In Barker, P.F., Kennett, J.P., et al., Proc. ODP, Sci. Results, 113: College Station, TX (Ocean Drilling Program), 549-569.

Takemura, A., 1992. Radiolarian Paleogene biostratigraphy in the southern Indian Ocean, Leg 120. In Wise, S.W., Jr., Shlich, R., et al., Proc. ODP, Sci. Results, 120: College Station, TX (Ocean Drilling Program), 735-756.

Takemura, A., and Ling, H.Y., 1997. Eocene and Oligocene radiolarian biostratigraphy from the Southern Ocean: correlation of ODP Legs 114 (Atlantic Ocean) and 120 (Indian Ocean). Mar. Micropaleontol., 30:97-116.

Thierstein, H.R., Geitzenauer, K., Molfino, B., and Shackleton, N.J., 1977. Global synchroneity of late Quaternary coccolith datum levels: validation by oxygen isotopes. Geology, 5:400-404.

Thomas, E., 1990. Late Cretaceous through Neogene deep-sea benthic foraminifers (Maud Rise, Weddell Sea, Antarctica). In Barker, P.F., Kennett, J.P., et al., Proc. ODP, Sci. Results, 113: College Station, TX (Ocean Drilling Program), 571-594.

Thomas, E., Barrera, E., Hamilton, N., Huber, B.T., Kennett, J.P., O'Connell, S.B., Pospichal, J.J., Speiß, V., Stott, L.D., Wei, W., and Wise, S.W., Jr., 1990. Upper Cretaceous-Paleogene stratigraphy of Sites 689 and 690, Maud Rise (Antarctica). In Barker, P.F., Kennett, J.P., et al., Proc. ODP, Sci. Results, 113: College Station, TX (Ocean Drilling Program), 901-914.

Tiedemann, R., Sarnthein, M., and Shackleton, N.J., 1994. Astronomic timescale for the Pliocene Atlantic delta18O and dust flux records of Ocean Drilling Program Site 659. Paleoceanography, 9:619-638.

Timur, A., and Toksöz, M.N., 1985. Downhole geophysical logging. Annu. Rev. Earth Planet. Sci., 13:315-344.

Von Herzen, R.P., and Maxwell, A.E., 1959. The measurement of thermal conductivity of deep-sea sediments by a needle-probe method. J. Geophys. Res., 64:1557-1563.

van Morkhoven, F.P.C.M., Berggren, W.A., and Edwards, A.S., 1986. Cenozoic cosmopolitan deep-water benthic foraminifera. Bull. Cent. Rech. Explor.--Prod. Elf-Aquitaine, Mem. 11.

Weber, M.E., Niessen, F., Kuhn, G., and Wiedicke, M., 1997. Calibration and application of marine sedimentary physical properties using a multi-sensor core logger. Mar. Geol., 136:151-172.

Wei, W., 1993. Calibration of Upper Pliocene-Lower Pleistocene nannofossil events with oxygen isotope stratigraphy. Paleoceanography, 8:85-99.

Wei, W., and Wise, S.W., Jr., 1990. Middle Eocene to Pleistocene calcareous nannofossils recovered by Ocean Drilling Program Leg 113 in the Weddell Sea. In Barker, P.F., Kennett, J.P., et al., Proc. ODP, Sci. Results, 113: College Station, TX (Ocean Drilling Program), 639-666.

Wentworth, C.K., 1922. A scale of grade and class terms of clastic sediments. J. Geol., 30:377-392.

Wise, S.W., Jr., 1983. Mesozoic and Cenozoic calcareous nannofossils recovered by Deep Sea Drilling Project Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. In Ludwig, W.J., Krasheninnikov, V.A., et al., Init. Repts. DSDP, 71 (Pt. 2): Washington (U.S. Govt. Printing Office), 481-550.