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  • 3-20; 3-20A; 3-20C; 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; Event label; Glomar Challenger; Latitude of event; Leg3; 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/VALLEY; Substrate type  (1)
  • 6-50; 6-50A; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Leg6; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific/CONT RISE; Position; Quantity of deposit; Sample code/label; Sediment type; Size; Substrate type; Visual description  (1)
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  • 1
    Publication Date: 2023-08-28
    Description: Prior to arrival on this site, the only survey data available was from the Vema-20 crossing of the area. The recommended site location was over a relatively smooth valley in the bottom topography at about 4750 meters (15,580 feet) depth (uncorrected), about 10 kilometers wide E-W between peaks (or ridges) on either side. Sediment thickness was unknown. The center of the valley is near the peak of a wide (40 to 50 kilometers) positive magnetic anomaly, identified as Magnetic Anomaly 30 in the hypothesized geomagnetic time scale with an age of 72 million years.
    Keywords: 3-20; 3-20A; 3-20C; 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; Event label; Glomar Challenger; Latitude of event; Leg3; 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/VALLEY; Substrate type
    Type: Dataset
    Format: text/tab-separated-values, 25 data points
    Location Call Number Expected Availability
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  • 2
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    Unknown
    PANGAEA
    In:  Supplement to: Heezen, Bruce C; Fischer, A G; Boyce, Robert E; Bukry, David; Douglas, Robert G; Garrison, Robert E; Kling, S A; Krasheninnikov, Valery A; Lisitzin, Alexander P; Pimm, Anthony C (1971): Site 50. In: Fischer, A.G.; et al., Initial Reports of the Deep Sea Drilling Project, 6, Initial Reports of the Deep Sea Drilling Project, 6, U.S. Government Printing Office, VI, 195-222, https://doi.org/10.2973/dsdp.proc.6.108.1971
    Publication Date: 2023-08-28
    Description: Site 49 had been selected to investigate the basal part of the sedimentary sequence as revealed by the acoustic profiles, and to sample the underlying opaque material. However, the cherty nature of the sediments prevented penetration of the section at Site 49, and the only recourse appeared to be to move to a spot of even thinner sedimentary cover. Such a place existed, just downslope from Site 49, where Horizon B' comes very close to the surface, this is where Site 50 was selected.
    Keywords: 6-50; 6-50A; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Leg6; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North Pacific/CONT RISE; Position; Quantity of deposit; Sample code/label; Sediment type; Size; Substrate type; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 28 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
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