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Expedition 325 Scientists (2011): Concentrations of Uranium and Thorium isotopes, IODP Expedition 325. PANGAEA, https://doi.org/10.1594/PANGAEA.763392

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Related to:
Webster, Jody M; Yokoyama, Yusuke; Cotterill, Carol; Expedition 325 Scientists (2011): Proceedings of the Integrated Ocean Drilling Program. Tokyo (Integrated Ocean Drilling Program Management International, Inc.), 325, https://doi.org/10.2204/iodp.proc.325.2011
Coverage:
Median Latitude: -18.812474 * Median Longitude: 149.104482 * South-bound Latitude: -19.843980 * West-bound Longitude: 145.823690 * North-bound Latitude: -15.472370 * East-bound Longitude: 150.481410
Date/Time Start: 2010-02-14T08:30:00 * Date/Time End: 2010-04-03T02:05:00
Minimum DEPTH, sediment/rock: 9.94 m * Maximum DEPTH, sediment/rock: 38.04 m
Event(s):
325-M0031A (HYD_01Csite6) * Latitude: -19.678950 * Longitude: 150.239610 * Date/Time: 2010-02-14T08:30:00 * Elevation Start: -92.0 m * Elevation End: -90.1 m * Penetration: 43 m * Recovery: 5.68 m * Location: Great Barrier Reef, Australia * Campaign: Exp325 (Great Barrier Reef Environmental Changes) * Basis: Greatship Maya * Method/Device: Drilling/drill rig (DRILL) * Comment: Drilling Depth Methods: DSF: tag sea floor; CSF: let overlap if long; CCSF: let overlap if long. Elevation Start = drill string tagging seabed including predicted tidal variations, Elevation End = corrected EM300 echo sounder data.
325-M0032A (HYD_01Csite6) * Latitude: -19.678830 * Longitude: 150.239660 * Date/Time: 2010-02-16T10:50:00 * Elevation Start: -93.0 m * Elevation End: -91.9 m * Penetration: 36.7 m * Recovery: 5.99 m * Location: Great Barrier Reef, Australia * Campaign: Exp325 (Great Barrier Reef Environmental Changes) * Basis: Greatship Maya * Method/Device: Drilling/drill rig (DRILL) * Comment: Drilling Depth Methods: DSF: tag sea floor; CSF: let overlap if long; CCSF: let overlap if long. Elevation Start = drill string tagging seabed including predicted tidal variations, Elevation End = corrected EM300 echo sounder data.
325-M0033A (HYD_01CSite6) * Latitude: -19.678830 * Longitude: 150.239850 * Date/Time: 2010-02-17T14:45:00 * Elevation Start: -91.5 m * Elevation End: -91.3 m * Penetration: 32.8 m * Recovery: 13.41 m * Location: Great Barrier Reef, Australia * Campaign: Exp325 (Great Barrier Reef Environmental Changes) * Basis: Greatship Maya * Method/Device: Drilling/drill rig (DRILL) * Comment: Drilling Depth Methods: DSF: tag sea floor; CSF: let overlap if long; CCSF: let overlap if long. Elevation Start = drill string tagging seabed including predicted tidal variations, Elevation End = corrected EM300 echo sounder data.
Comment:
Notes: Uncertainties of concentrations include all weighing errors; isotope ratios are independent of weighing uncertainties. All isotope ratios are expressed as acivities and are calculated using the decay constants of Cheng et al. (2000), Holden (1990), and Jaffey et al. (1971). Depth = top of sample interval
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2DEPTH, sediment/rockDepthmGeocode
3Sample code/labelSample labelExpedition 325 Scientists
4Uranium-238238Umg/kgExpedition 325 ScientistsMulti-collector inductively coupled plasma mass spectrometer (MC-ICP-MS)
5Uranium-238, standard deviation238U std dev±Expedition 325 Scientists
6Thorium-232232Thµg/kgExpedition 325 ScientistsMulti-collector inductively coupled plasma mass spectrometer (MC-ICP-MS)
7Thorium-232, standard deviation232Th std dev±Expedition 325 Scientists
8Thorium-232/Uranium-238 activity ratio(232Th/238U)Expedition 325 ScientistsMulti-collector inductively coupled plasma mass spectrometer (MC-ICP-MS)
9Thorium-232/Uranium-238 activity ratio, standard deviation(232Th/238U) std dev±Expedition 325 Scientists
10Thorium-230/Uranium-238 activity ratio(230Th/238U)Expedition 325 ScientistsMulti-collector inductively coupled plasma mass spectrometer (MC-ICP-MS)
11Thorium-230/Uranium-238 activity ratio, standard deviation(230Th/238U) std dev±Expedition 325 Scientists
12Uranium-234/Uranium-238 activity ratio(234U/238U)Expedition 325 ScientistsMulti-collector inductively coupled plasma mass spectrometer (MC-ICP-MS)
13Uranium-234/Uranium-238 activity ratio, standard deviation(234U/238U) std dev±Expedition 325 Scientists
Size:
220 data points

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