Parkinson, Ian J; Hall, G E M; Pearce, Julian A (1992): (Table 3) Concentration of Au, Pd, and Pt in the interstitial waters of ODP Leg 125 samples [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.771037, Supplement to: Parkinson, IJ et al. (1992): Palladium, platinum, and gold distribution in serpentinite seamounts in the Mariana and Izu-Bonin Forearcs: evidence from Leg 125 fluids and serpentinites. In: Fryer, P; Pearce, JA; Stokking, LB; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 125, 507-518, https://doi.org/10.2973/odp.proc.sr.125.132.1992
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Abstract:
Palladium, platinum, and gold were analyzed for 20 interstitial water samples from Leg 125. No Pd or Pt was detected in fluids from serpentinite muds from Conical Seamount in the Mariana forearc, indicating that low-temperature seawater-peridotite interaction does not mobilize these elements into the serpentinizing fluids to levels above 0.10 parts per billion (ppb) in solution. However, Au may be mobilized in high pH solutions. In contrast, fluids from vitric-rich clays on the flanks of the Torishima Seamount in the Izu-Bonin forearc have Pd values of between 4.0 and 11.8 nmol/L, Pt values between 2.3 and 5.0 nmol/L and Au values between 126.9 and 1116.9 pmol/L. The precious metals are mobilized, and possibly adsorbed onto clay mineral surfaces, during diagenesis and burial of the volcanic-rich clays. Desorption during squeezing of the sediments may produce the enhanced precious metal concentrations in the analyzed fluids. The metals are mobilized in the fluids probably as neutral hydroxide, bisulfide, and ammonia complexes. Pt/Pd ratios are between 0.42 and 2.33, which is much lower than many of the potential sources for Pt and Pd but is consistent with the greater solubility of Pd compared with Pt in most natural low-temperature fluids.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 24.079260 * Median Longitude: 144.716800 * South-bound Latitude: 19.499000 * West-bound Longitude: 141.738000 * North-bound Latitude: 30.964300 * East-bound Longitude: 146.696000
Date/Time Start: 1986-03-26T10:30:00 * Date/Time End: 1989-03-31T10:00:00
Minimum Elevation: -4912.0 m * Maximum Elevation: -3924.0 m
Event(s):
125-778A * Latitude: 19.499000 * Longitude: 146.666000 * Date/Time Start: 1989-02-22T06:30:00 * Date/Time End: 1989-02-24T19:25:00 * Elevation: -3924.0 m * Penetration: 107.6 m * Recovery: 22.8 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 107.6 m cored; 0 m drilled; 21.2 % recovery
125-779A * Latitude: 19.512500 * Longitude: 146.696000 * Date/Time Start: 1989-02-28T10:00:00 * Date/Time End: 1989-03-04T03:00:00 * Elevation: -3958.0 m * Penetration: 317.2 m * Recovery: 73.24 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 37 cores; 317.2 m cored; 0 m drilled; 23.1 % recovery
125-779B * Latitude: 19.512500 * Longitude: 146.696000 * Date/Time Start: 1989-02-27T23:30:00 * Date/Time End: 1989-02-28T10:00:00 * Elevation: -3958.0 m * Penetration: 9 m * Recovery: 8.7 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 1 core; 9 m cored; 0 m drilled; 96.7 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Parkinson, Ian J | DSDP/ODP/IODP sample designation | ||
| 3 | Volume | Vol | ml | Parkinson, Ian J | ||
| 4 | pH | pH | Parkinson, Ian J | |||
| 5 | Chlorinity | cl | mmol/kg | Parkinson, Ian J | ||
| 6 | Sulfate | [SO4]2- | mmol/kg | Parkinson, Ian J | ||
| 7 | Ammonia | NH3 | mmol/kg | Parkinson, Ian J | ||
| 8 | Gold | Au | pmol/l | Parkinson, Ian J | total | |
| 9 | Platinum | Pt | nmol/l | Parkinson, Ian J | total | |
| 10 | Palladium | Pd | nmol/l | Parkinson, Ian J | total | |
| 11 | Gold | Au | pmol/l | Parkinson, Ian J | fluid | |
| 12 | Platinum | Pt | nmol/l | Parkinson, Ian J | fluid | |
| 13 | Palladium | Pd | nmol/l | Parkinson, Ian J | fluid | |
| 14 | Gold | Au | pmol/l | Parkinson, Ian J | acid leach | |
| 15 | Platinum | Pt | nmol/l | Parkinson, Ian J | acid leach | |
| 16 | Palladium | Pd | nmol/l | Parkinson, Ian J | acid leach | |
| 17 | Rock type | Rock | Parkinson, Ian J |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
320 data points