Milkov, Alexei V; Claypool, George E; Lee, Young-Joo; Sassen, Roger (2005): (Table 2) Molecular and isotopic properties of hydrate-bound gases from ODP Hole 146-892A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.710760, In supplement to: Milkov, AV et al. (2005): Gas hydrate systems at Hydrate Ridge offshore Oregon inferred from molecular and isotopic properties of hydrate-bound and void gases. Geochimica et Cosmochimica Acta, 69(4), 1007-1026, https://doi.org/10.1016/j.gca.2004.08.021
Always quote citation above when using data! You can download the citation in several formats below.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 44.674000 * Longitude: -125.119000
Date/Time Start: 1992-11-06T13:15:00 * Date/Time End: 1992-11-09T05:10:00
Minimum DEPTH, sediment/rock: 3.67 m * Maximum DEPTH, sediment/rock: 17.00 m
Event(s):
146-892A * Latitude: 44.674000 * Longitude: -125.119000 * Date/Time Start: 1992-11-06T13:15:00 * Date/Time End: 1992-11-09T05:10:00 * Elevation: -686.0 m * Penetration: 176.5 m * Recovery: 63.63 m * Location: North Pacific Ocean * Campaign: Leg146 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 21 core; 176.5 m cored; 0 m drilled; 36.1 % recovery
Comment:
Gas concentrations are given as volume parts of natural gases.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Comment | Comment | Milkov, Alexei V | |||
| 3 | Methane | CH4 | % | Milkov, Alexei V | ||
| 4 | Ethane | C2H6 | ppmv | Milkov, Alexei V | and other C2 gases | |
| 5 | Propane | C3H8 | ppmv | Milkov, Alexei V | and other C3 gases | |
| 6 | Isobutane | i-C4H10 | ppmv | Milkov, Alexei V | and other i-C4 hydrocarbons | |
| 7 | Butane | n-C4 | ppmv | Milkov, Alexei V | and other n-C4 hydrocarbons | |
| 8 | Carbon dioxide | CO2 | % | Milkov, Alexei V | ||
| 9 | Hydrogen sulfide | H2S | ppmv | Milkov, Alexei V | ||
| 10 | Methane/C2+ hydrocarbons ratio | C1/C2+ | Milkov, Alexei V | |||
| 11 | δ13C, methane | δ13C CH4 | ‰ PDB | Milkov, Alexei V | ||
| 12 | δ Deuterium, methane | δD CH4 | ‰ SMOW | Milkov, Alexei V |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
18 data points
Data
| 1 Depth sed [m] | 2 Comment | 3 CH4 [%] | 4 C2H6 [ppmv] | 5 C3H8 [ppmv] | 6 i-C4H10 [ppmv] | 7 n-C4 [ppmv] | 8 CO2 [%] | 9 H2S [ppmv] | 10 C1/C2+ | 11 δ13C CH4 [‰ PDB] | 12 δD CH4 [‰ SMOW] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.67 | average values from four syringes are given | 80.44 | 360 | 22 | 16 | 407 | 1.0217 | 184600 | 993 | -64.8 | |
| 17.00 | average values from two or more analyses are given | 87.45 | 500 | 0.1374 | 123700 | 1750 | -66.0 | -198 |