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  • Deep Sea Drilling Project; DSDP  (2)
  • -; 69-504; Calculated; Counting, silicoflagellates; Deep Sea Drilling Project; DEPTH, sediment/rock; Dictyocha aculeata; Dictyocha angulata; Dictyocha aspera; Dictyocha aspera aspera; Dictyocha aspera clinata s. ampl.; Dictyocha brevispina; Dictyocha calida ampliata; Dictyocha calida calida; Dictyocha concavata; Dictyocha concinna; Dictyocha delicata; Dictyocha delicata var. bisecta; Dictyocha fibula s. ampl.; Dictyocha helix; Dictyocha longa; Dictyocha longa var. paxilla; Dictyocha neonautica var. cocosensis; Dictyocha ornata africana; Dictyocha perfecta; Dictyocha perlaevis; Dictyocha perlaevis flexatella; Dictyocha perlaevis perlaevis; Dictyocha perlaevis perlaevis s. ampl.; Dictyocha pulchella; Dictyocha sp.; Dictyocha spp.; Dictyocha stapedia aspinosa; Dictyocha stapedia stapedia; Dictyocha subaculeata; Dictyocha tamarae; Dictyocha transenna; Dictyocha varia; Dictyocha vexativa; Distephanus boliviensis; Distephanus crux bispinosus; Distephanus crux carolae; Distephanus crux crux s. ampl.; Distephanus major; Distephanus mesophthalmus; Distephanus polyactis; Distephanus quinquangellus; Distephanus sp.; Distephanus speculum bispicatus; Distephanus speculum elongatus; Distephanus speculum forma coronata; Distephanus speculum minutus; Distephanus speculum speculum; Distephanus speculum tenuis; Distephanus spp.; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Glomar Challenger; Leg69; Mesocena circulus; Mesocena diodon nodosa; Mesocena quadrangula; Mesocena sp.; Mesocena triodon; Octactis pulchra; Sample code/label; Silicoflagellate zone; Specimen count  (1)
  • 0016PG; AGE; DEPTH, sediment/rock; EN06601; EN066-16PG; Endeavor; GC; Gravity corer; Isotope ratio mass spectrometry; Planulina wuellerstorfi, δ13C; Planulina wuellerstorfi, δ18O  (1)
  • PANGAEA  (4)
  • American Geophysical Union
  • American Meteorological Society (AMS)
  • 1980-1984  (4)
  • 1925-1929
Collection
Keywords
Publisher
  • PANGAEA  (4)
  • American Geophysical Union
  • American Meteorological Society (AMS)
Years
Year
  • 1
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    Unknown
    (Figure 1) Silicoflagellates at DSDP Hole 69-504 (1983)
    PANGAEA
    In:  Supplement to: Bukry, David (1983): Upper Cenozoic silicoflagellates from offshore Ecuador, Deep Sea Drilling Project Site 504. In: Cann, JR; Langseth, MG; Honnorez, J; Von Herzen, RP; White, SM; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 69, 321-342, https://doi.org/10.2973/dsdp.proc.69.113.1983
    Details
    Publication Date: 2023-07-09
    Description: Diverse and abundant late Miocene to Pleistocene silicoflagellates at DSDP Site 504 can be correlated by tropical biostratigraphic zones and relative paleotemperature values to eastern tropical Pacific reference site DSDP 503A farther to the west. Early Pliocene assemblages, which were poorly known until now, are present and can be correlated locally between DSDP Holes 504, 503A, and 495, using species events associated with the new Dictyocha pulchella Subzone and Dictyocha angulata Subzone. Silicoflagellate relative paleotemperature values show major warming at 4.7 to 5.0 Ma (Cores 45-48), 3.4 to 3.8 Ma (Cores 32-33), 1.5 to 1.7 Ma (Cores 12-16), and 0.5 to 0.8 Ma (Cores 3-6). Major coolings occurred at 5.0 to 5.1 Ma (Core 51), 3.9 to 4.4 Ma (Cores 38-44), and 1.0 to 1.3 Ma (Cores 8-10). The appearance of Dictyocha longa is proposed to replace the asperoid/fibuloid ratio reversal as the bottom of the Dictyocha fibula Zone, because the non-evolutionary ratio reverses several times in the upper Miocene of Hole 503A, and at least once in Hole 504. Three new Pliocene silicoflagellates are defined: Dictyocha concinna Bukry, n. sp., D. helix Bukry, n. sp., and D. tamarae Bukry, n. sp.
    Keywords: -; 69-504; Calculated; Counting, silicoflagellates; Deep Sea Drilling Project; DEPTH, sediment/rock; Dictyocha aculeata; Dictyocha angulata; Dictyocha aspera; Dictyocha aspera aspera; Dictyocha aspera clinata s. ampl.; Dictyocha brevispina; Dictyocha calida ampliata; Dictyocha calida calida; Dictyocha concavata; Dictyocha concinna; Dictyocha delicata; Dictyocha delicata var. bisecta; Dictyocha fibula s. ampl.; Dictyocha helix; Dictyocha longa; Dictyocha longa var. paxilla; Dictyocha neonautica var. cocosensis; Dictyocha ornata africana; Dictyocha perfecta; Dictyocha perlaevis; Dictyocha perlaevis flexatella; Dictyocha perlaevis perlaevis; Dictyocha perlaevis perlaevis s. ampl.; Dictyocha pulchella; Dictyocha sp.; Dictyocha spp.; Dictyocha stapedia aspinosa; Dictyocha stapedia stapedia; Dictyocha subaculeata; Dictyocha tamarae; Dictyocha transenna; Dictyocha varia; Dictyocha vexativa; Distephanus boliviensis; Distephanus crux bispinosus; Distephanus crux carolae; Distephanus crux crux s. ampl.; Distephanus major; Distephanus mesophthalmus; Distephanus polyactis; Distephanus quinquangellus; Distephanus sp.; Distephanus speculum bispicatus; Distephanus speculum elongatus; Distephanus speculum forma coronata; Distephanus speculum minutus; Distephanus speculum speculum; Distephanus speculum tenuis; Distephanus spp.; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Epoch; Glomar Challenger; Leg69; Mesocena circulus; Mesocena diodon nodosa; Mesocena quadrangula; Mesocena sp.; Mesocena triodon; Octactis pulchra; Sample code/label; Silicoflagellate zone; Specimen count
    Type: Dataset
    Format: text/tab-separated-values, 3974 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Carbonate, organic carbon and nitrogen, bitumen and rock-eval pyrolysis at DSDP Leg 79 Holes (1984)
    PANGAEA
    In:  Supplement to: Simoneit, Bernd R T; Vuchev, Vassil T; Grimalt, Joan O (1984): Organic matter along the sedimentary sequences of the Moroccan Continental Margin, Leg 79, Sites 545 and 547. In: Hinz, K; Winterer, EL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 79, 807-824, https://doi.org/10.2973/dsdp.proc.79.133.1984
    Details
    Publication Date: 2023-07-20
    Description: The lipids and kerogens of 15 sediment samples from Site 547 (ranging from Pleistocene to Early Jurassic/Triassic) and 4 from Site 545 (Cretaceous) have been analyzed. A strong terrestrial contribution of organic matter was found, and significant autochthonous inputs were also present, especially at Site 545. Both strongly reduced and highly oxidized sediments have been found in the Cenozoic and Jurassic samples of Site 547. On the contrary, all the Cretaceous sections of Sites 547 and 545 are anoxic. Sediments from anoxic paleoenvironments are immature and have a high content of sterenes, diasterenes, steradienes, hopenes, and ßß hopanes. Samples from oxic paleoenvironments are mainly mature and their content of hopenes and steriod structures is below the detection level. Nevertheless, their hopane distributions have the immature ßß homologs as the predominant molecular markers. For Site 545 the most abundant molecular markers are ring A monoaromatic steranes, and their presence is attributed to microbial and chemical transformations during early diagenesis.
    Keywords: Deep Sea Drilling Project; DSDP
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    (Table 1) Stable carbon and oxygen isotope ratios of Planulina wuellerstorfi from sediment core EN066-16PG (1983)
    PANGAEA
    Details
    Publication Date: 2023-09-01
    Keywords: 0016PG; AGE; DEPTH, sediment/rock; EN06601; EN066-16PG; Endeavor; GC; Gravity corer; Isotope ratio mass spectrometry; Planulina wuellerstorfi, δ13C; Planulina wuellerstorfi, δ18O
    Type: Dataset
    Format: text/tab-separated-values, 42 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Geochemistry and K-Ar dates of the Mazagan granodiorite at V30-225, VA79-96KD and DSDP Hole 79-544A, off Moroccan coast (1984)
    PANGAEA
    In:  Supplement to: Kreuzer, H; Müller, P; Wissmann, Gerd; Reinecke, T (1984): Petrography and K-Ar dating of the Mazagan granodiorite, Deep Sea Drilling Project Leg 79, Holes 544A and 547B. In: Hinz, K; Winterer, EL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 79, 543-549, https://doi.org/10.2973/dsdp.proc.79.118.1984
    Details
    Publication Date: 2024-04-27
    Description: Gneissic granodiorite was recovered by drilling at the base of the Mazagan escarpment, 100 km west of the Casablanca, Morocco, at 4000 m water depth. Coarse, predeformative muscovite yielded dates of -515 Ma, fine-grained muscovite of -455 Ma, biotite -360 and 335 Ma, and feldspar -315 Ma. These dates are tentatively correlated with the microscopic results. We assume a minimum age of middle Cambrian for the granodiorite, an Ordovician deformation and mylonitization, and a Late Carboniferous overprint under upper greenschist facies conditions.
    Keywords: Deep Sea Drilling Project; DSDP
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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