Dymond, Jack R; Corliss, John B; Heath, G Ross (1977): Chemical element contents and accumulation rates in metalliferous sediments from DSDP Hole 34-319, Bauer Deep, Southeast Pacific [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.706893, Supplement to: Dymond, JR et al. (1977): History of metalliferous sedimentation at Deep Sea Drilling Site 319, in the South Eastern Pacific. Geochimica et Cosmochimica Acta, 41(6), 741-753, https://doi.org/10.1016/0016-7037(77)90045-X
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Abstract:
Marked variations in the chemical and mineralogical composition of sediments at Site 319 have occurred during the 15 My history of sedimentation at this site. The change in composition through time parallels the variability observed in surface sediments from various parts of the Nazca Plate and can be related to variations in the proportion of hydrothermal, hydrogenous, detrital and biogenous phases reaching this site at different times. Metal accumulation rates at Site 319 reach a maximum near the basement for most elements, suggesting a strong hydrothermal contribution during the early history of this site. The hydrothermal contribution decreased rapidly as Site 319 moved away from the spreading center, although a subtle increase in this source is detectable about the time spreading began on the East Pacific Rise. The most recent sedimentation exhibits a strong detritalhydrogenous influence. Post-depositional diagenesis of amorphous phases has converted them to ironrich smectite and well-crystallized goethite without significantly altering the bulk composition of the sediment.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: -13.017300 * Longitude: -101.524300
Date/Time Start: 1974-01-05T00:00:00 * Date/Time End: 1974-01-05T00:00:00
Event(s):
34-319 * Latitude: -13.017300 * Longitude: -101.524300 * Date/Time: 1974-01-05T00:00:00 * Elevation: -4290.0 m * Penetration: 116.5 m * Recovery: 84.6 m * Location: South Pacific/BASIN * Campaign: Leg34 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 14 cores; 116.5 m cored; 0 m drilled; 72.6 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Dymond, JR; Corliss, JB; Heath, GR (1977): (Table 2) Chemical composition of metalliferous sediments from DSDP Hole 34-319. https://doi.org/10.1594/PANGAEA.706860
- Dymond, JR; Corliss, JB; Heath, GR (1977): (Table 4) Accumulation rates of some chemical elements in metalliferous sediments from DSDP Hole 34-319. https://doi.org/10.1594/PANGAEA.706892