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  • Data  (7)
  • 104-642B; 104-643A; 104-644A; DRILL; Drilling/drill rig; Joides Resolution; Leg104; Norwegian Sea; Ocean Drilling Program; ODP  (4)
  • 111-677A; 111-677B; DRILL; Drilling/drill rig; Joides Resolution; Leg111; North Pacific Ocean; Ocean Drilling Program; ODP  (3)
  • PANGAEA  (7)
  • 1985-1989  (7)
  • 1950-1954
  • 1989  (7)
  • 1957
Collection
  • Data  (7)
Source
Keywords
Publisher
  • PANGAEA  (7)
Years
  • 1985-1989  (7)
  • 1950-1954
Year
  • 1989  (7)
  • 1957
  • 1
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    Stable carbon and oxygen isotope record of planktonic and benthic foraminifera at ODP Site 111-677 in the Panama Basin (1989)
    PANGAEA
    In:  Supplement to: Shackleton, Nicholas J; Hall, Michael A (1989): Stable isotope history of the Pleistocene at ODP Site 677. In: Becker, K; Sakai, H; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Programm), 111, 295-316, https://doi.org/10.2973/odp.proc.sr.111.150.1989
    Details
    Publication Date: 2024-01-09
    Description: Oxygen and carbon isotope ratio measurements are presented for Globigerinoides ruber and for benthic species (mainly Uvigerina spp.) in the Pleistocene and uppermost Pliocene section of ODP Hole 677A in the Panama Basin. This provides the best available continuous Pleistocene stable isotope records from any location, fully justifying the recoring of DSDP Site 504. Oxygen isotope stage 22 (age about 0.85 Ma) was of similar magnitude to the most extensive glacials of the Brunhes and constitutes a logical base for the middle Pleistocene. Oxygen isotope stages as defined by Ruddiman et al. (1986, doi:10.1016/0012-821X(86)90024-5) and by Raymo et al. (1989, doi:10.1029/PA004i004p00413) back to stage 104 are recognized. Although the internationally agreed base of the Quaternary at or near stage 62 (about 1.6 Ma) is not marked by a major isotopic event, it does approximate the base of a regime characterized by highly regular 41,000-yr climate cycles. The records at Site 677 are ideal for time-series analyses and will permit a new attempt to develop a chronology for the early Pleistocene based on tuning to the orbital frequencies. The carbon isotope records also appear to contain considerable variance at orbital frequencies throughout the sequence analyzed.
    Keywords: 111-677A; 111-677B; DRILL; Drilling/drill rig; Joides Resolution; Leg111; North Pacific Ocean; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 2
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    Ice-rafted fossils in ODP LEg 104 Pleistocene-Pliocene sediments (1989)
    PANGAEA
    In:  Supplement to: Spiegler, Dorothee (1989): Ice-rafted Cretaceous and Tertiary fossils in Pleistocene-Pliocene sediments, ODP Leg 104, Norwegian Sea. In: Eldholm, O; Thiede, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 104, 739-744, https://doi.org/10.2973/odp.proc.sr.104.197.1989
    Details
    Publication Date: 2024-01-09
    Description: Ice-rafted fossils of late Cretaceous and Tertiary age were detected in Pleistocene-Pliocene glacially influenced sediments of the Vdring Plateau, eastern Norwegian Sea. The ice-rafted associations contain frequent Inoceramus (Bivalvia) prisms and rare occurrences of both benthic and planktonic foraminifers of Miocene, Oligocene, and Maastrichtian to Campanian age. As source areas, shallow outcrops on the Norwegian Continental Shelf as well as the Greenland Shelf and the North and Baltic Seas have to be considered.
    Keywords: 104-642B; 104-643A; 104-644A; DRILL; Drilling/drill rig; Joides Resolution; Leg104; Norwegian Sea; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 3
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    Radiolarian biostratigraphy of ODP Site 111-677 (1989)
    PANGAEA
    In:  Supplement to: Alexandrovich, Joanne M (1989): Radiolarian biostratigraphy of ODP Leg 111, Site 677, eastern equatorial Pacific, Late Miocene through Pleistocene. In: Becker, K; Sakai, H; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 111, 245-262, https://doi.org/10.2973/odp.proc.sr.111.145.1989
    Details
    Publication Date: 2024-01-09
    Description: Well-preserved late Miocene through Pleistocene age radiolarian assemblages were recovered during ODP Leg 111 at Site 677, on the southern flank of the Costa Rica Rift in the eastern equatorial Pacific. Radiolarian "event" biostratigraphy (first and last morphotypic appearances) was established for Holes 677A and 677B using 21 species yielding 24 reliable datum levels. The cold upwelling waters above this site have prevented many typical tropical Pacific stratigraphic radiolarians from being useful age indicators. Biostratigraphic datum levels were assigned absolute ages based on previous work and were used to date the cores. Sedimentation rates varied from 3.7 cm/1000 yr in the late Pleistocene to 6.0 cm/1000 yr in the late Miocene. The age of the oldest sediments at this site is estimated as 5.89-6.37 Ma, which indicates that Site 677 is between magnetic anomalies 3A and 4. A total of 67 taxa were assessed for stratigraphic relevance at this site and are listed in the Appendix. One previously unknown Pliocene radiolarian stratigraphic indicator, Botryostrobus euporus (Ehrenberg), is identified.
    Keywords: 111-677A; 111-677B; DRILL; Drilling/drill rig; Joides Resolution; Leg111; North Pacific Ocean; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 4
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    Calcareous nannofossils of the Norwegian-Greenland Sea (1989)
    PANGAEA
    In:  Supplement to: Donnally, Diane M (1989): Calcareous nannofossils of the Norwegian-Greenland Sea: ODP Leg 104. In: Eldholm, O; Thiede, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 104, 459-486, https://doi.org/10.2973/odp.proc.sr.104.156.1989
    Details
    Publication Date: 2024-01-09
    Description: Ocean Drilling Program Leg 104 recovered sediments containing calcareous nannofossils of latest Oligocene to Holocene age from the Voring Plateau in the Norwegian-Greenland Sea. The section drilled is virtually the most complete and detailed sedimentary sequence yet obtained from such a high latitude North Atlantic location. Due to unfavorable paleoclimatic conditions, the nannofossil assemblages observed are generally of low diversity and poorly preserved. A limited nannofossil biostratigraphy can still be formulated, although many of the standard low-latitude zonal markers are absent in the area of study. An important aspect of the Norwegian-Greenland Sea is the response of the sediments to the onset and variability of glaciation in the area. The sediments deposited since the onset of Northern Hemisphere glaciation consist of alternating carbonate- (and nannofossil-) rich interglacial sediments and carbonate-poor glacial sediments. The glacial sediments also contain ice-rafted debris, including reworked Cretaceous and older Cenozoic nannofossils. The reworked nannofossils were most likely deposited by ice-rafting from the area to the south with minor contributions of reworked material from exposed shelf areas near Norway and from fault-exposed outcrops of upthrust Cretaceous rocks in the area.
    Keywords: 104-642B; 104-643A; 104-644A; DRILL; Drilling/drill rig; Joides Resolution; Leg104; Norwegian Sea; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 5
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    Late Miocene to Pleistocene planktonic foraminifera of ODP Site 111-677 (1989)
    PANGAEA
    In:  Supplement to: Jenkins, D Graham; Houghton, Simon D (1989): Late Miocene to Pleistocene planktonic foraminifers from Ocean Drilling Program Site 677, Panama Basin. In: Becker, K; Sakai, H; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 111, 289-293, https://doi.org/10.2973/odp.proc.sr.111.147.1989
    Details
    Publication Date: 2024-01-09
    Description: Forty-three core-catcher samples from the upper Miocene to uppermost Pleistocene of ODP Site 677 were examined for planktonic foraminifers. Range charts were compiled for Holes 677A and 677B, and zonal markers and datum planes are correlated with the most recently published time scale. The absence of key species such as Globorotalia truncatulinoides, Globorotalia tosaensis, Globorotalia miocenica, and Globorotalia margaritae prohibits the use of any of the standard tropical zonal schemes. The zonal scheme used here was devised for this area on DSDP Leg 9.
    Keywords: 111-677A; 111-677B; DRILL; Drilling/drill rig; Joides Resolution; Leg111; North Pacific Ocean; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 6
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    Ice-rafted debris of Late Cenozoic sediments from ODP Leg 104 holes (1989)
    PANGAEA
    In:  Supplement to: Krissek, Lawrence A (1989): Late Cenozoic records of ice-rafting at ODP Sites 642, 643, and 644, Norwegian Sea: Onset, chronology, and characteristics of glacial/interglacial fluctuations. In: Eldholm, O; Thiede, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 104, 61-74, https://doi.org/10.2973/odp.proc.sr.104.114.1989
    Details
    Publication Date: 2024-01-09
    Description: The abundance and composition of the upper Cenozoic terrigenous coarse-sand fraction (250 µm-2 mm) at ODP Sites 642, 643, and 644 were investigated to date the onset of significant ice-rafting in the Norwegian Sea, establish the regional chronology of ice-rafting, and determine the relative importance of global vs. regional controls on ice-rafting in this area. The first input of ice-rafted debris (IRD) occurs at approximately 2.9 Ma, with significant ice-rafting beginning at about 2.5 Ma. IRD abundances increase significantly in sediments younger than 0.9 Ma at all three holes, indicating climatic deterioration in the late Pleistocene. Differences in the timing of this IRD increase between holes result from regional patterns of IRD supply and surface circulation. Variations in IRD sources and dispersal patterns may also explain the slightly higher background level of IRD abundance at Hole 642B, a seaward site. Major peaks in the generalized IRD records from the Norwegian Sea are tentatively correlated to glacial stages or glacial-to-interglacial transitions in the globally defined oxygen isotope record. This correlation indicates the effect of global conditions on the regional climate of the Norwegian Sea, although the detailed IRD records at these sites are also affected by local/regional processes (e.g., circulation patterns and source area differences).
    Keywords: 104-642B; 104-643A; 104-644A; DRILL; Drilling/drill rig; Joides Resolution; Leg104; Norwegian Sea; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 7
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    Physical and geotechnical properties of Norwegian Sea sediments (1989)
    PANGAEA
    In:  Supplement to: Pittenger, Alan; Taylor, Elliott; Bryant, William (1989): The influence of biogenic silica on the geotechnical stratigraphy of the Vøring Plateau, Norwegian Sea. In: Eldholm, O; Thiede, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 104, 923-940, https://doi.org/10.2973/odp.proc.sr.104.145.1989
    Details
    Publication Date: 2024-01-09
    Description: Sediment composition and rate of deposition are the primary factors responsible for determining the spatial distribution of geotechnical properties on the Wring Plateau. Grain size and depth of burial have no significant influence. Vertical and lateral changes in geotechnical properties are associated with vertical and lateral composition changes in which biogenic silica is the most important variable. Anomalous trends of decreasing density and increasing porosity and water content with depth are associated with increasing silica content downsection. Void ratios, inferred in-situ permeability, and change in void ratio during consolidation testing are relatively high in siliceous sediments and tend to increase as the biogenic silica content increases. Portions of the section are overconsolidated, probably as a result of changes in sediment accumulation rates. However, the higher permeabilities of siliceous sediments may also be a factor influencing consolidation state.
    Keywords: 104-642B; 104-643A; 104-644A; DRILL; Drilling/drill rig; Joides Resolution; Leg104; Norwegian Sea; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
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