Kvenvolden, Keith A; McDonald, Thomas J (1985): (Table 3) Gas hydrates at DSDP Leg 84 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.804300, In supplement to: Kvenvolden, KA; McDonald, TJ (1985): Gas hydrates of the Middle America Trench - Deep Sea Drilling Project Leg 84. In: von Heune, R; Aubouin, J; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 84, 667-682, https://doi.org/10.2973/dsdp.proc.84.123.1985
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 12.028567 * Median Longitude: -89.427833 * South-bound Latitude: 9.728200 * West-bound Longitude: -91.392800 * North-bound Latitude: 13.285300 * East-bound Longitude: -86.090700
Date/Time Start: 1982-01-13T00:00:00 * Date/Time End: 1982-02-17T00:00:00
Minimum Elevation: -3099.0 m * Maximum Elevation: -1698.0 m
Event(s):
84-565 * Latitude: 9.728200 * Longitude: -86.090700 * Date/Time: 1982-01-13T00:00:00 * Elevation: -3099.0 m * Penetration: 328.3 m * Recovery: 286.8 m * Location: North Pacific/TRENCH * Campaign: Leg84 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 34 cores; 324.3 m cored; 0 m drilled; 88.4 % recovery
84-568 * Latitude: 13.072200 * Longitude: -90.800000 * Date/Time: 1982-02-08T00:00:00 * Elevation: -2010.0 m * Penetration: 417.7 m * Recovery: 307.6 m * Location: North Pacific/SLOPE * Campaign: Leg84 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 43 cores; 408 m cored; 9.7 m drilled; 75.4 % recovery
84-570 * Latitude: 13.285300 * Longitude: -91.392800 * Date/Time: 1982-02-17T00:00:00 * Elevation: -1698.0 m * Penetration: 401.9 m * Recovery: 164.5 m * Location: North Pacific/SLOPE * Campaign: Leg84 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 382.6 m cored; 19.3 m drilled; 43 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Sample code/label | Sample label | Kvenvolden, Keith A | DSDP/ODP/IODP sample designation | ||
| 6 | Methane | CH4 | % | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 7 | Ethane | C2H6 | ppmv | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 8 | Propane | C3H8 | ppmv | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 9 | Isobutane | i-C4H10 | ppmv | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 10 | n-Butane | n-C4H10 | ppmv | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 11 | 2,2-Dimethylpropane | 2,2 DMP | ppmv | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 12 | Isopentane | i-C5H12 | ppmv | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 13 | n-Pentane | n-C5H12 | ppmv | Kvenvolden, Keith A | Gas chromatograph Carle Model 800 | |
| 14 | Carbon dioxide | CO2 | % | Kvenvolden, Keith A | Element analyzer CHN (Hewlett-Packard) | |
| 15 | Methane/ethane ratio | C1/C2 | Kvenvolden, Keith A | |||
| 16 | Ratio | Ratio | Kvenvolden, Keith A | Volume gas/volume fluid; #33=24-42 | ||
| 17 | Chlorinity | cl | ‰ | Kvenvolden, Keith A | ||
| 18 | Comment | Comment | Kvenvolden, Keith A |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
102 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Elevation [m] | 5 Sample label | 6 CH4 [%] | 7 C2H6 [ppmv] | 8 C3H8 [ppmv] | 9 i-C4H10 [ppmv] | 10 n-C4H10 [ppmv] | 11 2,2 DMP [ppmv] | 12 i-C5H12 [ppmv] | 13 n-C5H12 [ppmv] | 14 CO2 [%] | 15 C1/C2 | 16 Ratio | 17 cl [‰] | 18 Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 84-565 | 9.7282 | -86.0907 | -3099 | 84-565-33-CC | 89 | 440 | 5.0 | 0.2 | 0.1 | 0.03 | 2000 | 133 | 0.51 | Pressure vessel | |||
| 84-568 | 13.0722 | -90.8000 | -2010 | 84-568-45-4 | 64 | 1200 | 0.3 | 1.4 | 0.04 | 0.10 | 530 | 30 | 3.20 | Pressure vessel | |||
| 84-568 | 13.0722 | -90.8000 | -2010 | 84-568-45-4 | 1100 | 7 | 3.10 | Pressure vessel, second sample after 15 min. decomposition | |||||||||
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-21-1 | 44 | 390 | 0.9 | 0.7 | 0.2 | 0.34 | 220 | ?4 | Pressure vessel | ||||
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-27-1 | 58 | 2600 | 79.0 | 37.0 | 45.0 | 3.50 | 34.0 | 12 | 0.30 | 440 | 29 | 0.65 | Pressure vessel |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-27-1 | 69 | 1600 | 48.0 | 23.0 | 28.0 | 1.00 | 17.0 | 8 | 0.25 | 600 | 29 | 0.65 | Repeat gas analysis |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-27-1 | 74 | 1200 | 31.0 | 10.0 | 7.0 | 0.60 | 64.0 | 3 | 840 | Aluminum cannister | |||
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-28 | 75 | 890 | 11.0 | 2.0 | 7.0 | 0.06 | 6.0 | 2 | 0.24 | 620 | #33 | Pressure vessel | |
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-28 | 75 | 1200 | 14.0 | 3.0 | 9.0 | 0.16 | 3 | 0.24 | Repeat gas analysis | ||||
| 84-570 | 13.2853 | -91.3928 | -1698 | 84-570-29-3 | 12 | Pressure vessel |