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 Site 204-1249 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.707271, 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: 44.570317 * Longitude: -125.147333
Date/Time Start: 2002-07-21T00:00:00 * Date/Time End: 2002-08-29T00:00:00
Minimum DEPTH, sediment/rock: 0.27 m * Maximum DEPTH, sediment/rock: 89.42 m
Event(s):
204-1249 * Latitude: 44.570317 * Longitude: -125.147333 * Date/Time Start: 2002-07-21T00:00:00 * Date/Time End: 2002-08-29T00:00:00 * Elevation: -777.2 m * Penetration: 618.7 m * Recovery: 224.7 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 72 cores; 484.8 m cored; 104 m drilled; 46.3 % 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:
216 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 |
|---|---|---|---|---|---|---|
| 0.27 | 204-1249C-1H-1,1-3 | 20.40 | 3380 | 0.01655 | just nearby massive gas hydrates-related to massive gas hydrates | 3a |
| 0.30 | 204-1249C-1H-1,4-6 | 15.10 | 1654 | 0.01095 | just nearby massive gas hydrates-related to massive gas hydrates | 1 |
| 0.34 | 204-1249C-1H-1,7.5-9.5 | 14.40 | 1833 | 0.01277 | just nearby massive gas hydrates-related to massive gas hydrates | 1 |
| 0.68 | 204-1249C-1H-1,67-69 | 14.46 | 587 | 0.00406 | with mousse-like texture - related to disseminated gas hydrates | 1 |
| 2.51 | 204-1249C-2H-1,50-52 | 19.20 | 857 | 0.00446 | with mousse-like texture - related to disseminated gas hydrates | 1 |
| 5.51 | 204-1249C-3H-1,50-52 | 12.32 | 887 | 0.00720 | background sample, not included in any of the described types | 1 |
| 15.40 | 204-1249C-4H-2,6-8 | 16.50 | 1080 | 0.00655 | with mousse-like texture - related to disseminated gas hydrates | 1 |
| 17.26 | 204-1249C-4H-5,50-52 | 19.26 | 1160 | 0.00602 | with mousse-like texture - related to disseminated gas hydrates | 1 |
| 26.26 | 204-1249C-5H-3,10-12 | 15.73 | 1240 | 0.00789 | with mousse-like texture - related to disseminated gas hydrates | 1 |
| 29.22 | 204-1249C-5H-6,50-52 | 15.42 | 749 | 0.00486 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 30.61 | 204-1249B-2A-1,0-2 | 17.10 | 2044 | 0.01196 | just nearby massive gas hydrates-related to massive gas hydrates | 1 |
| 30.64 | 204-1249B-2A-1,3-5 | 17.00 | 2244 | 0.01320 | just nearby massive gas hydrates-related to massive gas hydrates | 1 |
| 30.67 | 204-1249B-2A-1,6-8 | 17.30 | 1650 | 0.00956 | just nearby massive gas hydrates-related to massive gas hydrates | 1 |
| 30.71 | 204-1249B-2A-1,10-12 | 18.50 | 3616 | 0.01959 | just nearby massive gas hydrates-related to massive gas hydrates | 3a |
| 30.73 | 204-1249B-2A-1,12.5-14.5 | 17.80 | 1626 | 0.00911 | just nearby massive gas hydrates-related to massive gas hydrates | 1 |
| 31.80 | 204-1249B-2H-2,29-31 | 7.67 | 422 | 0.00550 | background sample, not included in any of the described types | 1 |
| 35.86 | 204-1249C-7H-1,85-87 | 15.87 | 1160 | 0.00731 | background sample, not included in any of the described types | 1 |
| 36.47 | 204-1249C-7H-2,50-52 | 15.95 | 2050 | 0.01285 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 37.16 | 204-1249C-7H-3,0-2 | 19.70 | 3264 | 0.01659 | just nearby massive gas hydrates-related to massive gas hydrates | 3a |
| 37.18 | 204-1249C-7H-3,2.5-4.5 | 21.40 | 5919 | 0.02768 | just nearby massive gas hydrates-related to massive gas hydrates | 3a |
| 37.21 | 204-1249C-7H-3,5-7 | 19.30 | 2974 | 0.01542 | just nearby massive gas hydrates-related to massive gas hydrates | 3a |
| 37.23 | 204-1249C-7H-3,7-9 | 18.90 | 2819 | 0.01494 | just nearby massive gas hydrates-related to massive gas hydrates | 1 |
| 38.64 | 204-1249C-7H-5,50-52 | 15.93 | 1090 | 0.00684 | background sample, not included in any of the described types | 1 |
| 39.04 | 204-1249C-7H-5,90-92 | 15.70 | 1520 | 0.00968 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 44.82 | 204-1249C-8H-3,32-34 | 15.02 | 980 | 0.00653 | background sample, not included in any of the described types | 1 |
| 49.55 | 204-1249C-8H-4,60-62 | 25.51 | 19700 | 0.07724 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 3c |
| 50.33 | 204-1249C-8H-4,138-140 | 18.39 | 4140 | 0.02251 | background sample, not included in any of the described types | 3a |
| 56.01 | 204-1249C-9H-2,50-52 | 16.77 | 1550 | 0.00924 | background sample, not included in any of the described types | 1 |
| 58.84 | 204-1249C-9H-4,50-52 | 13.75 | 625 | 0.00454 | background sample, not included in any of the described types | 1 |
| 66.62 | 204-1249C-11H-2,46-48 | 23.69 | 2700 | 0.01140 | away, but at less than 50 cm, from IR anomalies (Weinberger et al., 2005) - related to disseminated gas hydrates | 1 |
| 69.93 | 204-1249C-11H-5,50-52 | 22.45 | 7820 | 0.03483 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 3b |
| 70.30 | 204-1249C-11H-4,118-120 | 20.13 | 1730 | 0.00859 | background sample, not included in any of the described types | 1 |
| 76.41 | 204-1249C-12H-2,50-52 | 15.93 | 964 | 0.00605 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |
| 77.50 | 204-1249C-12H-2,139-141 | 11.52 | 551 | 0.00478 | background sample, not included in any of the described types | 1 |
| 86.01 | 204-1249C-13H-2,50-52 | 39.12 | 34705 | 0.08871 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 3c |
| 89.42 | 204-1249C-13H-5,50-52 | 15.66 | 1680 | 0.01073 | within the gas hydrate stability zone, that displays a black speckled pattern and is not included in any of the previous types | 1 |