Gas hydrates of the Gulf of Mexico
Fuente:
PANGAEA
Salvato in:
| Autori principali: | , , , , , |
|---|---|
| Natura: | Dataset Open Access |
| Lingua: | en |
| Pubblicazione: |
PANGAEA
1985
|
| Soggetti: | |
| Accesso online: | |
| Tags: |
Aggiungi Tag
Nessun Tag, puoi essere il primo ad aggiungerne!!
|
| _version_ | 1867168556420956160 |
|---|---|
| author | Brooks, James M Cox, H Benjamin Bryant, William Kennicutt, Mahlon C Mann, Robert G McDonald, Thomas J |
| author_facet | Brooks, James M Cox, H Benjamin Bryant, William Kennicutt, Mahlon C Mann, Robert G McDonald, Thomas J |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Gas hydrates were recovered from eight sites on the Louisiana slope of the Gulf of Mexico. The gas hydrate discoveries ranged in water depths from 530 to 2400 m occurring as small to medium sized (0.5-50 mm) nodules, interspersed layers (1-10 mm thick) or as solid masses (> 150 mm thick). The hydrates have gas:fluid ratios as high as 170:1 at STP, C1/(C2 + C3) ratios ranging from 1.9 to > 1000 and d13C ratios from -43 to -71 per mil. Thermogenic gas hydrates are associated with oil-stained cores containing up to 7% extractable oil exhibiting moderate to severe biodegradation. Biogenic gas hydrates are also associated with elevated bitumen levels (10-700 ppm). All gas hydrate associated cores contain high percentages (up to 65%) of authigenic, isotopically light carbonate. The hydrate-containing cores are associated with seismic "wipeout" zones indicative of gassy sediments. Collapsed structures, diapiric crests, or deep faults on the flanks of diapirs appear to be the sites of the shallow hydrates. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_757312 |
| institution | PANGAEA |
| language | en |
| publishDate | 1985 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Gas hydrates of the Gulf of Mexico Brooks, James M Cox, H Benjamin Bryant, William Kennicutt, Mahlon C Mann, Robert G McDonald, Thomas J 96-618_Site; COMPCORE; Composite Core; Deep Sea Drilling Project; DSDP; Garden-Banks-388; Glomar Challenger; Green-Canyon-184; Green-Canyon-204; Green-Canyon-234; Green-Canyon-257; Green-Canyon-320; Gulf of Mexico/BASIN; Leg96; Mississippi-Canyon; PC; Piston corer Gas hydrates were recovered from eight sites on the Louisiana slope of the Gulf of Mexico. The gas hydrate discoveries ranged in water depths from 530 to 2400 m occurring as small to medium sized (0.5-50 mm) nodules, interspersed layers (1-10 mm thick) or as solid masses (> 150 mm thick). The hydrates have gas:fluid ratios as high as 170:1 at STP, C1/(C2 + C3) ratios ranging from 1.9 to > 1000 and d13C ratios from -43 to -71 per mil. Thermogenic gas hydrates are associated with oil-stained cores containing up to 7% extractable oil exhibiting moderate to severe biodegradation. Biogenic gas hydrates are also associated with elevated bitumen levels (10-700 ppm). All gas hydrate associated cores contain high percentages (up to 65%) of authigenic, isotopically light carbonate. The hydrate-containing cores are associated with seismic "wipeout" zones indicative of gassy sediments. Collapsed structures, diapiric crests, or deep faults on the flanks of diapirs appear to be the sites of the shallow hydrates. |
| title | Gas hydrates of the Gulf of Mexico |
| topic | 96-618_Site; COMPCORE; Composite Core; Deep Sea Drilling Project; DSDP; Garden-Banks-388; Glomar Challenger; Green-Canyon-184; Green-Canyon-204; Green-Canyon-234; Green-Canyon-257; Green-Canyon-320; Gulf of Mexico/BASIN; Leg96; Mississippi-Canyon; PC; Piston corer |
| url | https://doi.org/10.1594/PANGAEA.757312 |