Higgins, J A; Schrag, Daniel P (2010): (Table 2) Mg isotope ratios for pore-fluids and dolomite of deep sea sediment samples [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.783093, In supplement to: Higgins, JA; Schrag, DP (2010): Constraining magnesium cycling in marine sediments using magnesium isotopes. Geochimica et Cosmochimica Acta, 74(17), 5039-5053, https://doi.org/10.1016/j.gca.2010.05.019
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -1.671950 * Median Longitude: -55.281421 * South-bound Latitude: -31.552667 * West-bound Longitude: -142.015650 * North-bound Latitude: 32.282733 * East-bound Longitude: 15.660222
Date/Time Start: 1994-02-14T04:00:00 * Date/Time End: 2001-11-23T00:00:00
Minimum DEPTH, sediment/rock: 1.4 m * Maximum DEPTH, sediment/rock: 498.5 m
Event(s):
154-925A * Latitude: 4.204150 * Longitude: -43.488900 * Date/Time Start: 1994-02-14T04:00:00 * Date/Time End: 1994-02-19T05:00:00 * Elevation: -3053.0 m * Penetration: 930.4 m * Recovery: 490.05 m * Location: South Atlantic Ocean * Campaign: Leg154 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 69 cores; 645.5 m cored; 0 m drilled; 75.9 % recovery
167-1012 * Latitude: 32.282733 * Longitude: -118.383333 * Date/Time Start: 1996-05-10T00:00:00 * Date/Time End: 1996-05-12T00:00:00 * Elevation: -1772.3 m * Penetration: 488.4 m * Recovery: 487.9 m * Location: North Pacific Ocean * Campaign: Leg167 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 53 cores; 488.4 m cored; 0 m drilled; 99.9% recovery
175-1082 * Latitude: -21.094194 * Longitude: 11.820556 * Date/Time: 1997-09-13T00:00:00 * Elevation: -1280.6 m * Penetration: 929.6 m * Recovery: 853 m * Location: Benguela Current, South Atlantic Ocean * Campaign: Leg175 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 102 cores; 929.6 m cored; 0 m drilled; 91.8% recovery
Comment:
Sediment depth is given in mbsf. Analytical uncertainties are reported as the 2 sigma of repeat measurements.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 3 | Magnesium | Mg | mmol/l | Higgins, J A | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | |
| 4 | δ26Mg | δ26Mg | ‰ | Higgins, J A | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | |
| 5 | δ26Mg, standard deviation | δ26Mg std dev | ± | Higgins, J A | pore-fluids | |
| 6 | Sample amount | N | # | Higgins, J A | pore-fluids, total sample replicates | |
| 7 | Number | No | Higgins, J A | pore-fluids, repeat measurements | ||
| 8 | δ26Mg, dolomite | δ26Mg dol | ‰ | Higgins, J A | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | |
| 9 | δ26Mg, standard deviation | δ26Mg std dev | ± | Higgins, J A | Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) | dolomite |
| 10 | Sample amount | N | # | Higgins, J A | dolomite, total sample replicates | |
| 11 | Number | No | Higgins, J A | dolomite, repeat measurements |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
269 data points
Data
| 1 Event | 2 Depth sed [m] | 3 Mg [mmol/l] | 4 δ26Mg [‰] | 5 δ26Mg std dev [±] (pore-fluids) | 6 N [#] (pore-fluids, total sample rep...) | 7 No (pore-fluids, repeat measurements) | 8 δ26Mg dol [‰] | 9 δ26Mg std dev [±] (dolomite) | 10 N [#] (dolomite, total sample replic...) | 11 No (dolomite, repeat measurements) |
|---|---|---|---|---|---|---|---|---|---|---|
| 175-1082 | 1.4 | 53.43 | -0.74 | 0.17 | 2 | 7 | ||||
| 175-1082 | 4.4 | 52.19 | -0.74 | 0.15 | 1 | 3 | ||||
| 175-1082 | 7.5 | 52.52 | -0.85 | 0.25 | 1 | 3 | ||||
| 175-1082 | 20.0 | 46.13 | -0.29 | 0.07 | 1 | 3 | ||||
| 175-1082 | 40.4 | 44.41 | 0.07 | 0.01 | 1 | 2 | ||||
| 175-1082 | 54.1 | 46.86 | 0.19 | 0.15 | 1 | 4 | ||||
| 175-1082 | 97.5 | 44.23 | 0.38 | 0.24 | 1 | 3 | ||||
| 175-1082 | 128.6 | -2.02 | 0.17 | 1 | 4 | |||||
| 175-1082 | 160.0 | 39.06 | 0.86 | 0.25 | 1 | 4 | ||||
| 175-1082 | 199.7 | -2.06 | 0.21 | 1 | 5 | |||||
| 175-1082 | 327.5 | -1.72 | 0.21 | 1 | 4 | |||||
| 175-1082 | 365.0 | 26.89 | 0.97 | 0.30 | 1 | 3 | ||||
| 175-1082 | 461.6 | 23.51 | 1.03 | 0.05 | 1 | 2 | ||||
| 175-1086 | 1.4 | 52.40 | -0.74 | 0.18 | 1 | 4 | ||||
| 175-1086 | 20.6 | 50.71 | -0.57 | 0.11 | 1 | 5 | ||||
| 175-1086 | 39.6 | 47.97 | -0.51 | 0.07 | 1 | 5 | ||||
| 175-1086 | 58.6 | 45.84 | -0.41 | 0.16 | 1 | 4 | ||||
| 175-1086 | 77.5 | 41.87 | -0.37 | 0.03 | 1 | 4 | ||||
| 175-1086 | 153.6 | 33.70 | 0.15 | 0.17 | 1 | 4 | ||||
| 175-1086 | 182.1 | 31.75 | 0.32 | 0.17 | 1 | 5 | ||||
| 175-1086 | 201.1 | 30.50 | 0.59 | 0.18 | 1 | 4 | ||||
| 167-1012 | 3.0 | 51.30 | -0.77 | 0.26 | 1 | 3 | ||||
| 167-1012 | 28.2 | 47.10 | -0.41 | 0.09 | 1 | 6 | ||||
| 167-1012 | 47.2 | 45.70 | -0.04 | 0.17 | 1 | 6 | ||||
| 167-1012 | 75.7 | 49.30 | -0.16 | 0.18 | 1 | 6 | ||||
| 167-1012 | 104.3 | 50.20 | 0.12 | 0.13 | 2 | 11 | ||||
| 167-1012 | 131.4 | 50.40 | 0.00 | 0.19 | 1 | 6 | ||||
| 167-1012 | 161.7 | 49.20 | 0.18 | 0.07 | 1 | 5 | ||||
| 167-1012 | 211.8 | 40.70 | 0.56 | 0.18 | 1 | 5 | ||||
| 167-1012 | 240.5 | 37.90 | 0.98 | 0.08 | 1 | 6 | ||||
| 167-1012 | 267.1 | 36.60 | 1.13 | 0.14 | 1 | 4 | ||||
| 167-1012 | 169.9 | -2.52 | 0.26 | 1 | 5 | |||||
| 167-1012 | 170.0 | -2.52 | 0.23 | 1 | 3 | |||||
| 167-1012 | 244.9 | -2.38 | 0.26 | 1 | 6 | |||||
| 167-1012 | 9.6 | 47.90 | -0.75 | 0.27 | 1 | 5 | ||||
| 167-1012 | 30.1 | 46.30 | -0.92 | 0.03 | 1 | 2 | ||||
| 167-1012 | 49.1 | 43.00 | -0.95 | 0.17 | 1 | 4 | ||||
| 167-1012 | 68.1 | 37.80 | -0.94 | 0.22 | 1 | 5 | ||||
| 167-1012 | 96.6 | 32.70 | -1.04 | 0.17 | 1 | 5 | ||||
| 167-1012 | 153.6 | 28.20 | -1.20 | 0.20 | 1 | 6 | ||||
| 167-1012 | 185.5 | 24.90 | -1.46 | 0.24 | 1 | 5 | ||||
| 167-1012 | 271.0 | 17.70 | -1.57 | 0.06 | 1 | 6 | ||||
| 167-1012 | 346.2 | 10.80 | -2.07 | 0.25 | 1 | 5 | ||||
| 167-1012 | 498.5 | 5.30 | -2.56 | 0.18 | 1 | 3 | ||||
| 199-1219 | 3.0 | 48.60 | -0.71 | 0.09 | 1 | 6 | ||||
| 199-1219 | 39.0 | 30.40 | -0.77 | 0.18 | 1 | 6 | ||||
| 199-1219 | 48.5 | 27.50 | -0.73 | 0.08 | 1 | 3 | ||||
| 199-1219 | 105.5 | 22.90 | -0.84 | 0.25 | 1 | 6 | ||||
| 199-1219 | 200.5 | 20.10 | -0.91 | 0.14 | 1 | 3 | ||||
| 154-925A | 3.0 | 51.75 | -0.59 | 0.17 | 1 | 6 | ||||
| 154-925A | 46.5 | 48.91 | -0.53 | 0.13 | 1 | 4 | ||||
| 154-925A | 94.5 | 47.75 | -0.51 | 0.19 | 1 | 6 | ||||
| 154-925A | 293.9 | 41.38 | -0.58 | 0.03 | 1 | 3 | ||||
| 154-925A | 336.0 | 40.51 | -0.70 | 0.22 | 1 | 6 | ||||
| 154-925A | 424.0 | 35.36 | -0.72 | 0.07 | 1 | 3 |