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  • Data  (12)
  • 2010-2014
  • 1970-1974  (12)
  • 1945-1949
  • 1971  (7)
  • 1970  (5)
Collection
Keywords
Publisher
Years
  • 2010-2014
  • 1970-1974  (12)
  • 1945-1949
Year
  • 1
    Publication Date: 2023-08-28
    Description: The drilling objectives at this site were to complete the cored section begun at Site 23 in accordance with the recommendations of the JOIDES Atlantic Advisory Panel, presented in the Site 23 report. The location coincides with a position on the southeastern side of the elevated portion of basement in this area.
    Keywords: 4-24; Comment; Date/Time of event; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Glomar Challenger; Latitude of event; Leg4; Longitude of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sample code/label; Sample ID; Sediment type; South Atlantic/CONT RISE
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
    Location Call Number Expected Availability
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  • 2
    Publication Date: 2023-08-28
    Description: At the Leg 4 pre-cruise meeting in Miami, Florida, in January 1969, the Ridge site was proposed as an additional site to be investigated, if possible. Since the water depth and sediment thickness at this site were both minimal (2000 meters and less than 100 meters, respectively) and the location was not far from the track between initially planned sites, the shipboard party decided, upon completion of work at Site 24, to make a 24-hour drilling effort on the North Brazilian Ridge. The drilling objectives at this location were to sample and date the sediments atop the Ridge crest and to determine the nature, age and origin of the consolidated material beneath the thin mantle of sediment.
    Keywords: 4-25A; Comment; Date/Time of event; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Elevation of event; Glomar Challenger; Latitude of event; Leg4; Longitude of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sample code/label; Sample ID; Sediment type; Size; South Atlantic/RIDGE; Substrate type
    Type: Dataset
    Format: text/tab-separated-values, 19 data points
    Location Call Number Expected Availability
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  • 3
    Publication Date: 2023-08-28
    Description: The northern margin of the Demerara Abyssal Plain is bordered by a low ESE-WNW trending rise known as the Barracuda Ridge. North of South America, the eastern margin of the Demerara Abyssal Plain is formed by the Barbados Ridge. An extensive sedimentary section of the Barbados Ridge is exposed on the island of Barbados and consists of a series of radiolarian to planktonic foraminiferal and calcareous nannofossil biogenic sediments interlayered with ash beds. To determine the nature of the sediments and "basement," Site 27 was selected on the northern margin of the Demerara Abyssal Plain, south of the Barracuda Ridge.
    Keywords: 4-27; 4-27A; Comment; Date/Time of event; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg4; Longitude of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Atlantic/RIDGE; Position; Quantity of deposit; Sample code/label; Sample ID; Sediment type
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
    Location Call Number Expected Availability
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  • 4
    Publication Date: 2023-08-28
    Description: Site 26 was selected on the crest of the Mid-Atlantic Ridge between 15°N and 5°S is offset to the east nearly 4000 kilometers through a series of fracture zones. One of the most prominent of these is the Vema Fracture Zone, a narrow east-west trending trough which cuts through the Mid-Atlantic Ridge at latitude 11°N.
    Keywords: 4-26; Comment; Date/Time of event; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Elevation of event; Glomar Challenger; Latitude of event; Leg4; Longitude of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Atlantic/TROUGH; Position; Quantity of deposit; Sample code/label; Sample ID; Sediment type; Size
    Type: Dataset
    Format: text/tab-separated-values, 18 data points
    Location Call Number Expected Availability
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  • 5
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    Unknown
    PANGAEA
    In:  Supplement to: Winterer, Edward L; Riedel, William R; Moberly, Ralph; Resig, Johanna M; Kroenke, Loren W; Gealy, E L; Heath, G Ross; Bronnimann, P; Martini, E; Worsley, Thomas R (1971): Site 61. In: Winterer, E.L.; et al., Initial Reports of the Deep Sea Drilling Project, 7, Initial Reports of the Deep Sea Drilling Project, 7, U.S. Government Printing Office, VII, 27-47, https://doi.org/10.2973/dsdp.proc.7.103.1971
    Publication Date: 2023-08-28
    Description: The results at Site 59 suggested that Mesozoic sediments are present beneath a thin Tertiary cover in the region north of the Caroline Ridge near the Mariana Trench. Since one of the principal objectives of the drilling program was to find old Pacific crust, and since the section at Site 59 was not fully penetrated, it seemed worth a determined effort to go beyond the level reached at Site 59, somewhere in the same general area, in an attempt to reach basement. As the reflection profile taken by Argo (SCAN Leg V) through Site 59 shows the section above thesmooth basement reflector (Horizon B?) thinning northwestward from about 0.3 to 0.15 second, by loss of part of the lower "transparent" layer, this is were Site 61 was located.
    Keywords: 7-61; Comment; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; Glomar Challenger; Identification; Leg7; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific; Position; Quantity of deposit; Sample code/label; Sediment type; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 9 data points
    Location Call Number Expected Availability
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  • 6
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    Unknown
    PANGAEA
    In:  Supplement to: Winterer, Edward L; Riedel, William R; Moberly, Ralph; Resig, Johanna M; Kroenke, Loren W; Gealy, E L; Heath, G Ross; Bronnimann, P; Martini, E; Worsley, Thomas R (1971): Site 63. In: Winterer, E.L.; et al., Initial Reports of the Deep Sea Drilling Project, 7, Initial Reports of the Deep Sea Drilling Project, 7, U.S. Government Printing Office, VII, 323-472, https://doi.org/10.2973/dsdp.proc.7.105.1971
    Publication Date: 2023-08-28
    Description: The sedimentary section at Site 62 on Eauripik Ridge can be traced eastward into the East Caroline Basin. It was decided to drill a hole to basement in the eastern part of East Caroline Basin to determine the age of the upper strong reflectors and to test the hypothesis that sediments older than any at Site 62 are present. A nearly complete section was obtained from middle Oligocene to Quaternary, unconformably overlying basalt containing middle Oligocene chalk xenoliths. The sediments consist of chalk and chalk ooze in the Oligocene and Miocene, and of marl ooze and calcareous clay in the Pliocene and Quaternary.
    Keywords: 7-63; 7-63A; 7-63B; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Leg7; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific/BASIN; Position; Quantity of deposit; Sample code/label; Sediment type; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 33 data points
    Location Call Number Expected Availability
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  • 7
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    Unknown
    PANGAEA
    In:  Supplement to: Winterer, Edward L; Riedel, William R; Moberly, Ralph; Resig, Johanna M; Kroenke, Loren W; Gealy, E L; Heath, G Ross; Bronnimann, P; Martini, E; Worsley, Thomas R (1971): Site 67. In: Winterer, E.L.; et al., Initial Reports of the Deep Sea Drilling Project, 7, Initial Reports of the Deep Sea Drilling Project, 7, U.S. Government Printing Office, VII, 821-841, https://doi.org/10.2973/dsdp.proc.7.109.1971
    Publication Date: 2023-08-28
    Description: Site 67 is on the Hawaiian Arch, in the general region selected for one of the Mohole Project sites. Therefore, intensive geophysical surveys have been made in the area. The objectives were to penetrate the entire sedimentary sequence to basement in order to learn the petrology and ages of the sediments and of the seismic reflectors, and to obtain samples of the underlying basement rocks. Well consolidated and bedded volcanic sandstone and mudstone, and claystone were found to extend from the sea floor to a depth of 60 meters, where a layer of hard brown porcelanite stopped the bit. Displaced radiolarians in mud from a core at 60 meters indicate sediments of early Eocene or late Paleocene age are present somewhere above that depth.
    Keywords: 7-67; 7-67A; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Leg7; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific; Position; Quantity of deposit; Sample code/label; Sediment type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 15 data points
    Location Call Number Expected Availability
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  • 8
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    Unknown
    PANGAEA
    In:  Supplement to: Winterer, Edward L; Riedel, William R; Moberly, Ralph; Resig, Johanna M; Kroenke, Loren W; Gealy, E L; Heath, G Ross; Bronnimann, P; Martini, E; Worsley, Thomas R (1971): Site 65. In: Winterer, E.L.; et al., Initial Reports of the Deep Sea Drilling Project, 7, Initial Reports of the Deep Sea Drilling Project, 7, U.S. Government Printing Office, VII, 607-723, https://doi.org/10.2973/dsdp.proc.7.107.1971
    Publication Date: 2023-08-28
    Description: An acoustically very transparent layer is present over much of the deep basin—here termed the Central Basin—between the Gilbert and Marshall Islands on the west and the Line Islands on the east. The Pacific Panel recommended drilling in this region to sample at least the upper transparent layer, and the first opaque layer beneath. Several possible sites were considered by the panel and by the shipboard party. Of paramount importance in choosing a particular site was a concern that sufficient sediments be present to bury the bottom-hole assembly (the drill collars and bumper subs) before the bit struck hard rock. A set of nearly continuous cores of an apparently uninterrupted section of radiolarian ooze ranging in age from middle Eocene to Recent was obtained, but the bit did not reach the deepest seismic reflector. Below depths of 127 meters, in the Oligocene and Eocene, thin chert and turbidite beds are sparsely interbedded with ooze.
    Keywords: 7-65; 7-65A; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Leg7; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific/BASIN; Position; Quantity of deposit; Sample code/label; Sediment type; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 41 data points
    Location Call Number Expected Availability
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  • 9
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    Unknown
    PANGAEA
    In:  Supplement to: Winterer, Edward L; Riedel, William R; Moberly, Ralph; Resig, Johanna M; Kroenke, Loren W; Gealy, E L; Heath, G Ross; Bronnimann, P; Martini, E; Worsley, Thomas R (1971): Site 66. In: Winterer, E.L.; et al., Initial Reports of the Deep Sea Drilling Project, Initial Reports of the Deep Sea Drilling Project, U.S. Government Printing Office, VII, 725-819, https://doi.org/10.2973/dsdp.proc.7.108.1971
    Publication Date: 2023-08-28
    Description: One of the principal objectives in the Central Pacific Basin was to elucidate the Paleobathymetric history of the region, which is located amidst groups of atolls and guyots that have subsided as much as 2 kilometers since mid-Cretaceous times. After failure to penetrate the entire sedimentary section and to sample basement at Site 65, on the west side of the Central Basin another site in the Basin where basement rocks might be sampled was searched. Likely places were known from unpublished reflection profiles on the east side of the Basin near the Line Islands by the Hawaii Institute of Geophysics. Finally it was decided to drill a transparent section once again in this area acoiding turbidites formations.
    Keywords: 7-66; 7-66A; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Leg7; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific/BASIN; Position; Quantity of deposit; Sample code/label; Sediment type; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 67 data points
    Location Call Number Expected Availability
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  • 10
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    Unknown
    PANGAEA
    In:  Supplement to: Presley, Bobby J; Kaplan, I R (1971): Interstitial Water Chemistry: Deep Sea Drilling Project, Leg 7. In: Winterer, E.L.; et al., Initial Reports of the Deep Sea Drilling Project, 7, Initial Reports of the Deep Sea Drilling Project, 7, U.S. Government Printing Office, VII, 883-887, https://doi.org/10.2973/dsdp.proc.7.113.1971
    Publication Date: 2023-08-28
    Description: The interstitial water received at UCLA from Leg 7 (Guam to Hawaii) consisted of forty-two samples of approximately 5 milliliters each, three samples of approximately 10 milliliters each, and three samples of approximately 100 milliliters each. These pore waters had been squeezed from sediments consisting primarily of biogenic ooze, and had been collected at five different drilling sites along the route. High cobalt value were observed at Site 66 and were accompanied by a relatively high manganese concentration, but more normal iron, nickel and copper concentrations. This apparent cobalt enrichment could not be explained at the time of procedure. The line Islands area were Site 66 is situated was later notoriously known for its high Co values in manganese crust deposits (see, He, G., Ma, W., Song, C., Yang, S., Zhu, B., Yao, H., Jiang, X., Cheng, Y., 2011. Distribution characteristics of seamount cobalt-rich ferromanganese crusts and the determination of the size of areas for exploration and exploitation. Acta Oceanologica Sinica 30, 63–75. doi:10.1007/s13131-011-0120-9).
    Keywords: 7-62A; 7-65; 7-66; Atomic absorption spectrometry (AAS); Cobalt; Comment; Copper; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Iron; Leg7; Manganese; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific/BASIN; North Pacific/RIDGE; Sample code/label; Sediment type; Silicon
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
    Location Call Number Expected Availability
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