Benton, Laurie D; Ryan, Jeffrey; Tera, Fouad (2001): (Table 1) Boron abundance and isotopic ratios for ODP Site 125-779 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.711024, In supplement to: Benton, LD et al. (2001): Boron isotope systematics of slab fluids as inferred from a serpentine seamount, Mariana forearc. Earth and Planetary Science Letters, 187(3-4), 273-282, https://doi.org/10.1016/S0012-821X(01)00286-2
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 19.512500 * Longitude: 146.696000
Date/Time Start: 1989-02-27T23:30:00 * Date/Time End: 1989-03-04T03:00:00
Minimum DEPTH, sediment/rock: 1.18 m * Maximum DEPTH, sediment/rock: 305.85 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
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
Comment:
B concentrations for samples of serpentine matrix were measured by isotope dilution mass spectrometry (IDMS) at the Department of Terrestrial Magnetism (DTM) (Washington, DC, USA) using the HF-mannitol method of digestion (Nakamura et al., 1992) and positive ion thermal ionization mass spectrometry of Cs2BO[+]2 (Spivack and Edmond, 1986, doi:10.1021/ac00292a010, Xiao et al., 1988, doi:10.1016/0168-1176(88)83016-7). Concentrations for the clast samples were measured by direct-current plasma emission spectrometry (DCP) at the University of South Florida (Tampa, FL, USA) using the Na2CO3 flux method of digestion (Ryan and Langmuir, 1993, doi:10.1016/0016-7037(93)90008-K). Uncertainties are less than +/- 1% for IDMS measurements and +/- 10% for DCP measurements. B isotope measurements were prepared and analyzed using methods similar to the IDMS analyses at DTM.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 3 | Sample code/label | Sample label | Benton, Laurie D | DSDP/ODP/IODP sample designation | ||
| 4 | Lithology/composition/facies | Lithology | Benton, Laurie D | |||
| 5 | δ11B | δ11B | ‰ SRM | Benton, Laurie D | Isotope ratio mass spectrometry | |
| 6 | δ11B, standard deviation | δ11B std dev | ± | Benton, Laurie D | Isotope ratio mass spectrometry | 2 sigma |
| 7 | Boron | B | mg/kg | Benton, Laurie D | Isotope ratio mass spectrometry |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
74 data points
Data
| 1 Event | 2 Depth sed [m] | 3 Sample label | 4 Lithology | 5 δ11B [‰ SRM] | 6 δ11B std dev [±] | 7 B [mg/kg] |
|---|---|---|---|---|---|---|
| 125-779A | 20.40 | 125-779A-4R-1,27-30 | Serpentinized peridotite clast | 25.3 | 0.3 | 57.5 |
| 125-779A | 30.82 | 125-779A-5R-2,62-72 | Serpentinized peridotite clast | 21.8 | 0.3 | 43.3 |
| 125-779A | 32.75 | 125-779A-5R-3,54-56 | Serpentine matrix | 20.6 | 0.3 | 25.6 |
| 125-779A | 59.43 | 125-779A-8R-1,90-93 | Serpentinized peridotite clast | 5.4 | 0.3 | 20.4 |
| 125-779A | 107.45 | 125-779A-13R-1,138-140 | Serpentine matrix | 10.8 | 0.5 | 6.6 |
| 125-779A | 126.63 | 125-779A-15R-2,22-23 | Serpentinized peridotite clast | 14.8 | 0.3 | 23.2 |
| 125-779A | 135.73 | 125-779A-16R-1,19-23 | Serpentinized peridotite clast | 10.8 | 0.3 | 12.7 |
| 125-779A | 157.38 | 125-779A-18R-2,87-89 | Serpentine matrix | 9.7 | ||
| 125-779A | 157.54 | 125-779A-18R-2,113-114 | Serpentinized peridotite clast | 10.4 | 0.3 | 21.6 |
| 125-779A | 170.53 | 125-779A-22R-1,41-43 | Serpentinized peridotite clast | 14.9 | 0.4 | 6.8 |
| 125-779A | 210.54 | 125-779A-26R-3,103-104 | Serpentinized peridotite clast | 14.7 | 0.3 | 15.5 |
| 125-779A | 227.60 | 125-779A-28R-2,112-114 | Serpentine matrix | 16.4 | 0.3 | 12.7 |
| 125-779A | 265.95 | 125-779A-32R-2,0-10 | Serpentine matrix | 20.6 | ||
| 125-779A | 276.33 | 125-779A-33R-2,82-83 | Serpentinized peridotite clast | 11.9 | 0.7 | 17.6 |
| 125-779A | 305.85 | 125-779A-36R-2,132-134 | Serpentine matrix | 11.3 | 0.3 | 16.6 |
| 125-779B | 1.18 | 125-779B-1R-1,117-119 | Serpentine matrix | 126.0 |