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Pearce, Julian A; Thirlwall, Matthew F; Ingram, Gerry; Murton, Bramley J; Arculus, Richard J; van der Laan, Sieger R (1992): (Table 2) Isotopic analyses and initial isotopic ratios of ODP Leg 125 rock samples [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.770707, In supplement to: Pearce, JA et al. (1992): Isotopic evidence for the origin of Boninites and related rocks drilled in the Izu-Bonin (Osagawara) Forearc, Leg 125. 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, 237-261, https://doi.org/10.2973/odp.proc.sr.125.134.1992

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Project(s):
Coverage:
Median Latitude: 31.367800 * Median Longitude: 141.270225 * South-bound Latitude: 30.861000 * West-bound Longitude: 141.226250 * North-bound Latitude: 31.874600 * East-bound Longitude: 141.314200
Date/Time Start: 1989-03-16T18:00:00 * Date/Time End: 1989-04-16T00:00:00
Minimum Elevation: -3076.0 m * Maximum Elevation: -2958.9 m
Event(s):
125-782A * Latitude: 30.861000 * Longitude: 141.314200 * Date/Time Start: 1989-03-16T18:00:00 * Date/Time End: 1989-03-17T07:30:00 * Elevation: -2958.9 m * Penetration: 476.8 m * Recovery: 282 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 50 cores; 476.8 m cored; 0 m drilled; 59.1 % recovery
125-786 * Latitude: 31.874600 * Longitude: 141.226250 * Date/Time Start: 1989-04-04T00:00:00 * Date/Time End: 1989-04-16T00:00:00 * Elevation: -3076.0 m * Penetration: 995.1 m * Recovery: 275 m * Location: North Pacific Ocean * Campaign: Leg125 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 91 cores; 832.6 m cored; 0 m drilled; 33% recovery
Comment:
Note that Core 57R-4 is interpreted as having been contaminated by pelagic sediment on eruption and that the rhyolite Sr-isotopes are alteration-affected. For strongly leached samples, the initial Sr ratios are reported as the same as measured ratios. Calculations of initial ratios and epsilon values are based on trace element data in Table 1 (dataset: doi:10.1594/PANGAEA.770706).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Sample code/labelSample labelPearce, Julian ADSDP/ODP/IODP sample designation
3Rock typeRockPearce, Julian A
4AGEAgeka BPGeocode
5Strontium-87/Strontium-86 ratio87Sr/86SrPearce, Julian AMass spectrometer VG 354
6Strontium-87/Strontium-86 ratio, error87Sr/86Sr e±Pearce, Julian AMass spectrometer VG 354
7Strontium-87/Strontium-86 ratio87Sr/86SrPearce, Julian AMass spectrometer VG 354primary
8ε-Strontiumε-SrPearce, Julian AMass spectrometer VG 354primary
9Neodymium-143/Neodymium-144 ratio143Nd/144NdPearce, Julian AMass spectrometer VG 354
10Neodymium-143/Neodymium-144 ratio, error143Nd/144Nd e±Pearce, Julian AMass spectrometer VG 354
11Neodymium-143/Neodymium-144 ratio143Nd/144NdPearce, Julian AMass spectrometer VG 354primary
12ε-Neodymiumε-NdPearce, Julian AMass spectrometer VG 354
13Lead-206/Lead-204 ratio206Pb/204PbPearce, Julian AMass spectrometer VG 354
14Lead-207/Lead-204 ratio207Pb/204PbPearce, Julian AMass spectrometer VG 354
15Lead-208/Lead-204 ratio208Pb/204PbPearce, Julian AMass spectrometer VG 354
16Lead-206/Lead-204 ratio206Pb/204PbPearce, Julian AMass spectrometer VG 354primary
17Lead-207/Lead-204 ratio207Pb/204PbPearce, Julian AMass spectrometer VG 354primary
18Lead-208/Lead-204 ratio208Pb/204PbPearce, Julian AMass spectrometer VG 354primary
Size:
368 data points

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