Gas hydrate accumulation at the Hakon Mosby Mud Volcano
Geo-Marine Letters
By: G.D. Ginsburg, A.V. Milkov, V.A. Soloviev, A.V. Egorov, G.A. Cherkashev, P.R. Vogt, K. Crane, T.D. Lorenson, and M.D. Khutorskoy
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Abstract
Gas hydrate (GH) accumulation is characterized and modeled for the Hakon Mosby mud volcano, ca. 1.5 km across, located on the Norway-Barents-Svalbard margin. Pore water chemical and isotopic results based on shallow sediment cores as well as geothermal and geomorphological data suggest that the GH accumulation is of a concentric pattern controlled by and formed essentially from the ascending mud volcano fluid. The gas hydrate content of sediment peaks at 25% by volume, averaging about 1.2% throughout the accumulation. The amount of hydrate methane is estimated at ca. 108 m3 STP, which could account for about 1-10% of the gas that has escaped from the volcano since its origin.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Gas hydrate accumulation at the Hakon Mosby Mud Volcano |
| Series title | Geo-Marine Letters |
| DOI | 10.1007/s003670050093 |
| Volume | 19 |
| Issue | 1-2 |
| Year Published | 1999 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geo-Marine Letters |
| First page | 57 |
| Last page | 67 |
| Google Analytic Metrics | Metrics page |