Alt, Jeffrey C; Shanks, Wayne C (2006): (Table 2) Oxygen and hydrogen isotope ratios of serpentinites from ODP Hole 125-779A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.707438, In supplement to: Alt, JC; Shanks, WC (2006): Stable isotope compositions of serpentinite seamounts in the Mariana forearc: Serpentinization processes, fluid sources and sulfur metasomatism. Earth and Planetary Science Letters, 242(3-4), 272-285, https://doi.org/10.1016/j.epsl.2005.11.063
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 19.512500 * Longitude: 146.696000
Date/Time Start: 1989-02-28T10:00:00 * Date/Time End: 1989-03-04T03:00:00
Minimum DEPTH, sediment/rock: 78.10 m * Maximum DEPTH, sediment/rock: 275.42 m
Event(s):
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
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Sample code/label | Sample label | Alt, Jeffrey C | DSDP/ODP/IODP sample designation | ||
| 3 | Serpentine | Srp | % | Alt, Jeffrey C | X-ray diffraction (XRD) | |
| 4 | Mineral assemblage | Min assembl | Alt, Jeffrey C | X-ray diffraction (XRD) | Serpentine | |
| 5 | δ Deuterium | δD | ‰ SMOW | Alt, Jeffrey C | Mass spectrometer Finnigan Delta-S | Serpentine |
| 6 | δ18O | δ18O | ‰ | Alt, Jeffrey C | Mass spectrometer Finnigan MAT 251 | Serpentine, per mil SMOW |
| 7 | δ18O | δ18O | ‰ | Alt, Jeffrey C | Mass spectrometer Finnigan MAT 251 | Magnetite, per mil SMOW |
| 8 | δ18O | δ18O | ‰ | Alt, Jeffrey C | Mass spectrometer Finnigan MAT 251 | Chrome spinel per mil SMOW |
| 9 | Temperature, in rock/sediment | t | °C | Alt, Jeffrey C | Calculated | assume serpentine-magnetite equilibrium |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
32 data points
Data
| 1 Depth sed [m] | 2 Sample label (DSDP/ODP/IODP sample designation) | 3 Srp [%] (X-ray diffraction (XRD)) | 4 Min assembl (Serpentine, X-ray diffraction...) | 5 δD [‰ SMOW] (Serpentine, Mass spectrometer...) | 6 δ18O [‰] (Serpentine, per mil SMOW, Mas...) | 7 δ18O [‰] (Magnetite, per mil SMOW, Mass...) | 8 δ18O [‰] (Chrome spinel per mil SMOW, M...) | 9 t [°C] (assume serpentine-magnetite e...) |
|---|---|---|---|---|---|---|---|---|
| 78.10 | 125-779A-10-1 | 65 | antigorite | -41.3 | 6.5 | 1.9 | 478 | |
| 171.81 | 125-779A-22-2 | 75 | antigorite | -29.5 | 6.8 | 0.0 | 302 | |
| 208.18 | 125-779A-26-2 | chrome spinel vein | 10.8 | |||||
| 245.84 | 125-779A-30-1 | chrome spinel vein | 8.9 | |||||
| 254.99 | 125-779A-31-1 | 100 | chrome spinel | -51.8 | 8.0 | 4.4 | ||
| 275.42 | 125-779A-33-3 | 95 | chrome spinel | -76.7 | 7.7 | 2.4 |