Larrasoaña, Juan C; Roberts, Andrew P; Musgrave, Robert J; Gràcia, Eulàlia; Piñero, Elena; Vega, Marta; Martinez-Ruiz, Francisca C (2007): (Appendix A) Rock magnetic results with indication of the diagenetic setting of ODP Hole 204-1248C [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.707270, In supplement to: Larrasoaña, JC et al. (2007): Diagenetic formation of greigite and pyrrhotite in gas hydrate marine sedimentary systems. Earth and Planetary Science Letters, 261(3-4), 350-366, https://doi.org/10.1016/j.epsl.2007.06.032
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 44.574230 * Longitude: -125.152500
Date/Time Start: 2002-08-01T13:45:00 * Date/Time End: 2002-08-02T12:30:00
Minimum DEPTH, sediment/rock: 0.51 m * Maximum DEPTH, sediment/rock: 147.96 m
Event(s):
204-1248C * Latitude: 44.574230 * Longitude: -125.152500 * Date/Time Start: 2002-08-01T13:45:00 * Date/Time End: 2002-08-02T12:30:00 * Elevation: -829.6 m * Penetration: 149 m * Recovery: 101.44 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 149 m cored; 0 m drilled; 68.1 % recovery
Comment:
Sulphate-methane transition 0-1.5 mbsf, bottom simulating reflector 115 mbsf
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Sample code/label | Sample label | Larrasoaña, Juan C | DSDP/ODP/IODP sample designation | ||
| 3 | Susceptibility, specific | chi | 10-9 m3/kg | Larrasoaña, Juan C | Susceptibility unit Kappabridge KLY-2 | field of 0.1 mT at a frequency of 470 Hz |
| 4 | Isothermal remanent magnetization, Intensity, per unit mass | Inten IRM | 10-6 A*m2/kg | Larrasoaña, Juan C | Magnetometer, spinner, pulsemagnetizer | field of 0.9 T |
| 5 | IRM/Susceptibility, per unit mass | IRM/Susc/mass | A/m | Larrasoaña, Juan C | Calculated | IRM at 0.9 T |
| 6 | Lithologic unit/sequence | Unit | Larrasoaña, Juan C | |||
| 7 | Sample type | Samp type | Larrasoaña, Juan C |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
252 data points
Data
| 1 Depth sed [m] | 2 Sample label | 3 chi [10-9 m3/kg] | 4 Inten IRM [10-6 A*m2/kg] | 5 IRM/Susc/mass [A/m] | 6 Unit | 7 Samp type |
|---|---|---|---|---|---|---|
| 0.51 | 204-1248C-1X-1,50-52 | 13.64 | 757 | 0.00555 | within the sulphate-methane transition | 1 |
| 19.94 | 204-1248C-3X-1,73-75 | 18.02 | 1320 | 0.00732 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 21.34 | 204-1248C-3X-2,63-65 | 33.48 | 22900 | 0.06840 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 3c |
| 21.88 | 204-1248C-3X-3,4-6 | 34.13 | 17400 | 0.05098 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 3b |
| 22.33 | 204-1248C-3X-3,49-51 | 31.94 | 12300 | 0.03851 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 3b |
| 22.58 | 204-1248C-3X-CC,19-21 | 28.84 | 26800 | 0.09291 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 3c |
| 38.91 | 204-1248C-5X-1,50-52 | 13.14 | 912 | 0.00694 | within the IR anomalies described by Weinberger et al. (2005) - related to massive gas hydrates | 1 |
| 40.41 | 204-1248C-5X-2,50-52 | 20.33 | 1420 | 0.00699 | within the IR anomalies described by Weinberger et al. (2005) - related to massive gas hydrates | 1 |
| 49.66 | 204-1248C-6H-2,42-44 | 19.21 | 1770 | 0.00922 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 52.95 | 204-1248C-6H-5,50-52 | 20.20 | 2060 | 0.01020 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 59.51 | 204-1248C-7H-2,50-52 | 14.47 | 919 | 0.00635 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 64.01 | 204-1248C-7H-5,50-52 | 14.59 | 1180 | 0.00809 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 69.01 | 204-1248C-8H-2,50-52 | 14.13 | 1170 | 0.00828 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 73.41 | 204-1248C-8H-5,50-52 | 14.53 | 914 | 0.00629 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 78.90 | 204-1248C-9H-2,89-91 | 12.36 | 831 | 0.00672 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 83.01 | 204-1248C-9H-5,50-52 | 14.01 | 1680 | 0.01199 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 87.68 | 204-1248C-10H-2,48-50 | 12.69 | 744 | 0.00586 | within the IR anomalies described by Weinberger et al. (2005) - related to massive gas hydrates | 1 |
| 92.20 | 204-1248C-10H-5,58-60 | 14.96 | 1930 | 0.01290 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 96.67 | 204-1248C-11H-2,50-52 | 10.00 | 314 | 0.00314 | within the IR anomalies described by Weinberger et al. (2005) - related to massive gas hydrates | 1 |
| 100.80 | 204-1248C-11H-5,25-27 | 12.31 | 1440 | 0.01169 | within the IR anomalies described by Weinberger et al. (2005) - related to massive gas hydrates | 1 |
| 106.96 | 204-1248C-12H-2,45-47 | 15.66 | 2190 | 0.01398 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 111.12 | 204-1248C-12H-5,50-52 | 16.59 | 1140 | 0.00687 | background sample, not included in any of the described types | 1 |
| 115.01 | 204-1248C-13H-1,50-52 | 14.80 | 1140 | 0.00770 | background sample, not included in any of the described types | 1 |
| 116.42 | 204-1248C-13H-2,46-48 | 12.91 | 898 | 0.00695 | background sample, not included in any of the described types | 1 |
| 117.99 | 204-1248C-13H-3,52-54 | 12.37 | 670 | 0.00542 | background sample, not included in any of the described types | 1 |
| 119.30 | 204-1248C-13H-4,37-39 | 12.66 | 796 | 0.00629 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 120.88 | 204-1248C-13H-5,51-53 | 14.18 | 1250 | 0.00881 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 124.21 | 204-1248C-14H-1,20-22 | 12.89 | 615 | 0.00477 | within the IR anomalies described by Weinberger et al. (2005) - related to massive gas hydrates | 1 |
| 124.78 | 204-1248C-14H-2,50-52 | 12.87 | 646 | 0.00502 | located below the gas hydrate stability zone | 1 |
| 126.28 | 204-1248C-14H-3,50-52 | 12.76 | 847 | 0.00664 | located below the gas hydrate stability zone | 1 |
| 127.76 | 204-1248C-14H-4,51-53 | 14.73 | 980 | 0.00665 | located below the gas hydrate stability zone | 1 |
| 129.25 | 204-1248C-14H-5,50-52 | 11.85 | 638 | 0.00538 | located below the gas hydrate stability zone | 1 |
| 130.72 | 204-1248C-14H-6,47-49 | 1.82 | 321 | 0.01763 | located below the gas hydrate stability zone | 3a |
| 133.94 | 204-1248C-15H-1,41-43 | 11.81 | 347 | 0.00294 | located below the gas hydrate stability zone | 1 |
| 134.96 | 204-1248C-15H-2,54-56 | 11.86 | 550 | 0.00464 | located below the gas hydrate stability zone | 1 |
| 135.96 | 204-1248C-15H-3,48-50 | 11.83 | 538 | 0.00455 | located below the gas hydrate stability zone | 1 |
| 137.01 | 204-1248C-16H-1,20-22 | 14.04 | 1420 | 0.01011 | located below the gas hydrate stability zone | 1 |
| 138.51 | 204-1248C-16H-2,50-52 | 19.77 | 7580 | 0.03834 | located below the gas hydrate stability zone | 3b |
| 140.01 | 204-1248C-16H-3,50-52 | 14.13 | 1110 | 0.00785 | located below the gas hydrate stability zone | 1 |
| 141.54 | 204-1248C-16H-4,50-52 | 14.15 | 993 | 0.00702 | located below the gas hydrate stability zone | 1 |
| 143.96 | 204-1248C-17X-2,50-52 | 13.72 | 1130 | 0.00823 | located below the gas hydrate stability zone | 1 |
| 147.96 | 204-1248C-17X-5,50-52 | 15.20 | 1620 | 0.01066 | located below the gas hydrate stability zone | 1 |