Expedition 325 Scientists (2011): Closed system age interpretations for U-Th dated samples, IODP Expedition 325 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.763444
Always quote citation above when using data! You can download the citation in several formats below.
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
Project(s):
Coverage:
Median Latitude: -18.907322 * Median Longitude: 149.245621 * 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: 2010-04-02T08:07:00
Minimum DEPTH, sediment/rock: 9.94 m * Maximum DEPTH, sediment/rock: 37.00 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:
Ages are presented in thousands of years before AD 1950 so as to be comparable to calibrated radiocarbon ages. [234U/238U]i is [234U/238U] extrapolated back to the time of coral growth.
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 | Expedition 325 Scientists | |||
| 4 | Age, dated | Age dated | ka BP | Expedition 325 Scientists | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | kyr BP |
| 5 | Age, dated standard deviation | Age dated std dev | ± | Expedition 325 Scientists | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | 2s |
| 6 | Uranium-234/Uranium-238 activity ratio | (234U/238U) | Expedition 325 Scientists | |||
| 7 | Uranium-234/Uranium-238 activity ratio, standard deviation | (234U/238U) std dev | ± | Expedition 325 Scientists | 2s |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
95 data points
Data
| 1 Event | 2 Depth sed [m] | 3 Sample label | 4 Age dated [ka BP] | 5 Age dated std dev [±] | 6 (234U/238U) | 7 (234U/238U) std dev [±] |
|---|---|---|---|---|---|---|
| 325-M0031A | 37.00 | 325-M0031A-16R-1,0-3 | 25.13 | 0.24 | 1.1413 | 0.0008 |
| 325-M0032A | 15.02 | 325-M0032A-8R-CC,0-2 | 20.42 | 0.24 | 1.1411 | 0.0007 |
| 325-M0032A | 30.92 | 325-M0032A-18R-CC,8-10 | 61.10 | 0.80 | 1.1442 | 0.0009 |
| 325-M0033A | 20.40 | 325-M0033A-15R-CC,5-7 | 31.07 | 0.32 | 1.1413 | 0.0008 |
| 325-M0034A | 18.76 | 325-M0034A-13R-CC,6-8 | 11.18 | 0.11 | 1.1471 | 0.0008 |
| 325-M0035A | 26.50 | 325-M0035A-20R-CC,0-2 | 21.33 | 0.20 | 1.1418 | 0.0008 |
| 325-M0036A | 25.24 | 325-M0036A-18R-CC,8-10 | 20.82 | 0.19 | 1.1423 | 0.0008 |
| 325-M0037A | 9.94 | 325-M0037A-7R-CC,2-4 | 12.54 | 0.11 | 1.1411 | 0.0008 |
| 325-M0039A | 20.01 | 325-M0039A-16R-CC,8-10 | 18.82 | 0.15 | 1.1439 | 0.0008 |
| 325-M0040A | 12.39 | 325-M0040A-8R-CC,5-8 | 24.73 | 0.22 | 1.1394 | 0.0008 |
| 325-M0042A | 35.60 | 325-M0042A-24R-CC,8-9 | 169.30 | 4.50 | 1.1533 | 0.0022 |
| 325-M0043A | 26.24 | 325-M0043A-18R-CC,2-4 | 20.28 | 0.20 | 1.1419 | 0.0008 |
| 325-M0046A | 13.50 | 325-M0046A-11R-CC,10-11 | 17.19 | 0.16 | 1.1446 | 0.0008 |
| 325-M0047A | 27.53 | 325-M0047A-11R-CC,5-6 | 20.78 | 0.19 | 1.1430 | 0.0008 |
| 325-M0049B | 12.01 | 325-M0049B-9R-CC,4-5 | 15.80 | 0.15 | 1.1515 | 0.0008 |
| 325-M0053A | 25.77 | 325-M0053A-25R-CC,2-3 | 23.65 | 0.24 | 1.1406 | 0.0008 |
| 325-M0054B | 15.50 | 325-M0054B-4R-CC,2-3 | 20.08 | 0.18 | 1.1434 | 0.0008 |
| 325-M0055A | 15.23 | 325-M0055A-5R-CC,0-1 | 25.05 | 0.25 | 1.1403 | 0.0008 |
| 325-M0056A | 32.59 | 325-M0056A-13R-CC,2-3 | 84.10 | 1.10 | 1.1347 | 0.0010 |