Pockmarks in Passamaquoddy Bay, New Brunswick, Canada
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Abstract
Pockmarks are seafloor depressions associated with fluid escape (Judd & Hovland 2007). They proliferate in the muddy seafloors of coastal Gulf of Maine and Bay of Fundy, where they are associated with shallow natural gas likely of biogenic origin (Ussler et al. 2003; Rogers et al. 2006; Wildish et al. 2008). In North America, shallow-water pockmark fields are not reported south of Long Island Sound, despite the abundance of gassy, muddy estuaries. The absence of pockmarks south of the limit of North American glaciation suggests that local and regional heterogeneities, possibly related to glacial or sea-level history or bedrock geology, influence pockmark field distribution. In shallow-water embayments, such as Passamaquoddy Bay, New Brunswick, pockmarks can be large (>200 m diameter) and number in the thousands.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Pockmarks in Passamaquoddy Bay, New Brunswick, Canada |
| Series title | Geological Society, London, Memoirs |
| DOI | 10.1144/M46.60 |
| Volume | 46 |
| Year Published | 2016 |
| Language | English |
| Publisher | The Geological Society |
| Publisher location | London |
| Contributing office(s) | Woods Hole Coastal and Marine Science Center |
| Description | 2 p. |
| First page | 111 |
| Last page | 112 |
| Country | Canada |
| State | New Brunswick |
| Other Geospatial | Passamaquoddy Bay |
| Google Analytic Metrics | Metrics page |