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  • 117-723B; 117-728B; 117-731A; 117-731B; 117-731C; Arabian Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg117; Ocean Drilling Program; ODP  (1)
  • 130-803D; 130-805C; 130-806B; 130-807A; 130-807C; 89-586C; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Joides Resolution; Leg130; Leg89; North Pacific Ocean; Ocean Drilling Program; ODP; South Pacific; West equatorial Pacific Ocean  (1)
  • 130-803D; 130-805C; 130-806B; 130-807A; 89-586C; Age model; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Joides Resolution; Leg130; Leg89; North Pacific Ocean; Ocean Drilling Program; ODP; South Pacific; West equatorial Pacific Ocean  (1)
  • Age, 14C AMS; Age, dated; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Foraminifera, planktic δ13C; Lamont-Doherty Earth Observatory, Columbia University; LDEO; Mass spectrometer Finnigan MAT 251; PC; Piston corer; W8709A; W8709A-8; Wecoma  (1)
  • DEPTH, sediment/rock; Lamont-Doherty Earth Observatory, Columbia University; LDEO; Mass spectrometer Finnigan MAT 251; TC; Trigger corer; Uvigerina sp., δ13C; Uvigerina sp., δ18O; W8709A; W8709A-8TC; Wecoma  (1)
  • 1990-1994  (5)
Document type
Keywords
Publisher
Years
  • 1990-1994  (5)
Year
  • 1
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    Geochemistry of ODP Leg 117 sites (1991)
    PANGAEA
    In:  Supplement to: Jarrard, Richard D; Lyle, Mitchell W (1991): High-resolution geochemical variations at Sites 723, 728, and 731: a comparison of x-ray fluorescence and geochemical logs. In: Prell, WL; Niitsuma, N; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 117, 473-498, https://doi.org/10.2973/odp.proc.sr.117.174.1991
    Details
    Publication Date: 2024-01-09
    Description: Geochemical logging is a routine part of the Ocean Drilling Program, yet the reliability of ODP geochemical logs has rarely been evaluated quantitatively. On ODP Leg 117, geochemical logs were obtained at Sites 723, 728, and 731. We report here an evaluation of ODP geochemical log quality based on high-resolution sampling and X-ray fluorescence measurement of 398 core samples from the three sites. At these sites we lacked the complete suite of high-quality logs needed for accurate log-based estimation of elemental percentages; only calcium and silicon logs had magnitudes similar to those from XRF. However, relative variations of log-based elemental abundances could be determined. Our comparisons of the XRF analyses with the character of variations in geochemical logs indicates that the reliability of ODP geochemical logs varies substantially, within short intervals and particularly between sites. In general, the geochemical logs are capable of detecting changes in formation geochemistry that are larger than the following thresholds: 2% for Ca, 2%-6% for Si, 0.5%-1% for K, 0.1% for Ti, 0.5% for Fe, and 0.4% for Al. All sulfur variations observed in the XRF data, as well as many of the iron variations, were below the resolving power of the geochemical logging tools. These precisions are generally similar to those determined at the Conoco test well by Chapman et al. (1987), in spite of the very different ODP logging conditions.
    Keywords: 117-723B; 117-728B; 117-731A; 117-731B; 117-731C; Arabian Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg117; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    (Table 2) Age determinations on sediment core W8709A-8 (1992)
    PANGAEA
    Details
    Publication Date: 2024-05-02
    Keywords: Age, 14C AMS; Age, dated; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Foraminifera, planktic δ13C; Lamont-Doherty Earth Observatory, Columbia University; LDEO; Mass spectrometer Finnigan MAT 251; PC; Piston corer; W8709A; W8709A-8; Wecoma
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    (Table 3) Stable isotope ratios measured on Uvigerina sp. from sediment core W8709A-8TC (1992)
    PANGAEA
    Details
    Publication Date: 2024-05-02
    Keywords: DEPTH, sediment/rock; Lamont-Doherty Earth Observatory, Columbia University; LDEO; Mass spectrometer Finnigan MAT 251; TC; Trigger corer; Uvigerina sp., δ13C; Uvigerina sp., δ18O; W8709A; W8709A-8TC; Wecoma
    Type: Dataset
    Format: text/tab-separated-values, 17 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Age-depth correlations for Ontong Java Plateau sites (1993)
    PANGAEA
    In:  Supplement to: Lyle, Mitchell W; Wilkens, Roy H; Mayer, Larry A (1993): Detailed stratigraphic correlation of the Neogene sedimentary sequences on the Ontong Java Plateau by well logging: ODP Sites 803, 805, 806, 807, and DSDP Site 586. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 587-606, https://doi.org/10.2973/odp.proc.sr.130.043.1993
    Details
    Publication Date: 2024-04-11
    Description: We used well logs, in some cases combined with shipboard physical properties measurements to make more complete profiles and to correlate between sites on the Ontong Java Plateau. By comparing sediment bulk density, velocity, and resistivity logs from adjacent holes at the same site, we showed that even subtle features of the well logs are reproducible and are caused by variations in sedimentation. With only minor amounts of biostratigraphic information, we could readily correlate these sedimentary features across the entire top of the Ontong Java Plateau, demonstrating that for most of the Neogene the top of the plateau is a single sedimentary province. We found it more difficult, but still possible, to correlate in detail sites from the top of the plateau to those drilled on the flanks. The pattern of sedimentation rate variation down the flank of the plateau cannot be interpreted as simply controlled by dissolution. Site 805, in particular, oscillates between accumulating sediment at roughly the same rate as cores on top of the Ontong Java Plateau, and accumulating sediment as slowly as Site 803, 200 m deeper in the water column. These oscillations do not match earlier reconstructions of central Pacific carbonate compensation depth variations.
    Keywords: 130-803D; 130-805C; 130-806B; 130-807A; 130-807C; 89-586C; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Joides Resolution; Leg130; Leg89; North Pacific Ocean; Ocean Drilling Program; ODP; South Pacific; West equatorial Pacific Ocean
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    (Table 1) Age-depth correlations for ODP Leg 130 sites and DSDP Hole 89-586C (1993)
    PANGAEA
    Details
    Publication Date: 2024-04-11
    Keywords: 130-803D; 130-805C; 130-806B; 130-807A; 89-586C; Age model; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Joides Resolution; Leg130; Leg89; North Pacific Ocean; Ocean Drilling Program; ODP; South Pacific; West equatorial Pacific Ocean
    Type: Dataset
    Format: text/tab-separated-values, 2713 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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