{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T09:52:30Z","timestamp":1776160350413,"version":"3.50.1"},"reference-count":32,"publisher":"Geological Society of London","issue":"1","license":[{"start":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T00:00:00Z","timestamp":1104537600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-002"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["PGC"],"published-print":{"date-parts":[[2005,1]]},"abstract":"<jats:p>\n            A voluminous magmatic complex was emplaced in the V\u00f8ring and M\u00f8re basins during Paleocene\/Eocene continental rifting and break-up in the NE Atlantic. This intrusive event has had a significant impact on deformation, source-rock maturation and fluid flow in the basins. Intrusive complexes and associated hydrothermal vent complexes have been mapped on a regional 2D seismic dataset (\n            <jats:italic>c<\/jats:italic>\n            .150 000 km) and on one large 3D survey. The extent of the sill complex is at least 80 000 km\n            <jats:sup>2<\/jats:sup>\n            , with an estimated total volume of 0.9 to 2.8 \u00d7 10\n            <jats:sup>4<\/jats:sup>\n            km\n            <jats:sup>3<\/jats:sup>\n            . The sheet intrusions are saucer-shaped in undeformed basin segments. The widths of the saucers become larger with increasing emplacement depth. More varied intrusion geometries are found in structured basin segments. Some 734 hydrothermal vent complexes have been identified, although it is estimated that 2\u20133000 vent complexes are present in the basins. The vent complexes are located above sills and were formed as a direct consequence of the intrusive event by explosive eruption of gases, liquids and sediments, forming up to 11 km wide craters at the seafloor. The largest vent complexes are found in basin segments with deep sills (3\u20139km palaeodepth). Mounds and seismic seep anomalies located above the hydrothermal vent complexes suggest that the vent complexes have been re-used for vertical fluid migration long after their formation. The intrusive event mainly took place just prior to, or during, the initial phase of massive break-up volcanism (55.0\u201355.8Ma). There is also evidence for a minor Upper Paleocene volcanic event documented by the presence of 20 vent complexes terminating in the Upper Paleocene sequence and the local presence of extrusive volcanic rocks within the Paleocene sequence.\n          <\/jats:p>","DOI":"10.1144\/0060833","type":"journal-article","created":{"date-parts":[[2010,4,28]],"date-time":"2010-04-28T21:01:02Z","timestamp":1272488462000},"page":"833-844","source":"Crossref","is-referenced-by-count":188,"title":["Seismic characteristics and distribution of volcanic intrusions and hydrothermal vent complexes in the V\u00f8ring and M\u00f8re basins"],"prefix":"10.1144","volume":"6","author":[{"given":"S.","family":"PLANKE","sequence":"first","affiliation":[{"name":"Volcanic Basin Petroleum Research (VBPR), Oslo Research Park, 0349 Oslo, Norway (e-mail:)"},{"name":"Physics of Geological Processes, University of Oslo, PO Box 1048 Blindern, 0316 Oslo, Norway"}]},{"given":"T.","family":"RASMUSSEN","sequence":"additional","affiliation":[{"name":"Volcanic Basin Petroleum Research (VBPR), Oslo Research Park, 0349 Oslo, Norway (e-mail:)"}]},{"given":"S. S.","family":"REY","sequence":"additional","affiliation":[{"name":"Volcanic Basin Petroleum Research (VBPR), Oslo Research Park, 0349 Oslo, Norway (e-mail:)"}]},{"given":"R.","family":"MYKLEBUST","sequence":"additional","affiliation":[{"name":"TGS-NOPEC, Baarsrudveien 2, 3478 N\u00e6rsnes, Norway"}]}],"member":"1881","published-online":{"date-parts":[[2005,4,14]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"307","volume-title":"The North Atlantic Igneous Province: Stratigraphy, Tectonic, Volcanic and Magmatic Processes","author":"Bell B. R.","year":"2002","unstructured":"Bell B. R., Butcher H. 2002. On the emplacement of sill complexes: evidence from the Faroe\u2013Shetland Basin. In: , Jolley D. W., Bell B. R. (eds) The North Atlantic Igneous Province: Stratigraphy, Tectonic, Volcanic and Magmatic Processes. 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