Item talk:Q314541

{

 "USGS Publications Warehouse": {
   "@context": "https://schema.org",
   "@type": "Article",
   "additionalType": "Journal Article",
   "name": "The role of pre-magmatic rifting in shaping a volcanic continental margin: An example from the Eastern North American Margin",
   "identifier": [
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       "value": "70218020",
       "url": "https://pubs.usgs.gov/publication/70218020"
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       "value": 70218020
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       "propertyID": "DOI",
       "value": "10.1029/2020JB019576",
       "url": "https://doi.org/10.1029/2020JB019576"
     }
   ],
   "journal": {
     "@type": "Periodical",
     "name": "Journal of Geophysical Research-- Solid Earth",
     "volumeNumber": "125",
     "issueNumber": "11"
   },
   "inLanguage": "en",
   "isPartOf": [
     {
       "@type": "CreativeWorkSeries",
       "name": "Journal of Geophysical Research-- Solid Earth"
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   ],
   "datePublished": "2020",
   "dateModified": "2021-02-12",
   "abstract": "Both magmatic and tectonic processes contribute to the formation of volcanic continental margins. Such margins are thought to undergo extension across a narrow zone of lithospheric thinning (~100\u00a0km). New observations based on existing and reprocessed data from the Eastern North American Margin contradict this hypothesis. With ~64,000\u00a0km of 2\u2010D seismic data tied to 40 wells combined with published refraction, deep reflection, receiver function, and onshore drilling efforts, we quantified along\u2010strike variations in the distribution of rift structures, magmatism, crustal thickness, and early post\u2010rift sedimentation under the shelf of Baltimore Canyon Trough (BCT), Long Island Platform, and Georges Bank Basin (GBB). Results indicate that BCT is narrow (80\u2013120\u00a0km) with a sharp basement hinge and few rift basins. The seaward dipping reflectors (SDR) there extend ~50\u00a0km seaward of the hinge line. In contrast, the GBB is wide (~200\u00a0km), has many syn\u2010rift structures, and the SDR there extend\u00a0~200\u00a0km seaward of the hinge line. Early post\u2010rift depocenters at the GBB coincide with thinner crust suggesting \u201cuniform\u201d thinning of the entire lithosphere. Models for the formation of volcanic margins do not explain the wide structure of the GBB. We argue that crustal thinning of the BCT was closely associated with late syn\u2010rift magmatism, whereas the broad thinning of the GBB segment predated magmatism. Correlation of these variations to crustal terranes of different compositions suggests that the inherited rheology determined the premagmatic response of the lithosphere to extension.",
   "description": "e2020JB019576, 33 p.",
   "publisher": {
     "@type": "Organization",
     "name": "American Geophysical Union"
   },
   "author": [
     {
       "@type": "Person",
       "name": "Lang, G.",
       "givenName": "G.",
       "familyName": "Lang",
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         "value": "0000-0002-6505-5163",
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       "affiliation": [
         {
           "@type": "Organization",
           "name": "Dr. Moses Strauss Department of Marine Geosciences, Charney School of Marine Sciences, University of Haifa, Mt. Carmel, Haifa, 31905, Israel"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "ten Brink, Uri S. utenbrink@usgs.gov",
       "givenName": "Uri S.",
       "familyName": "ten Brink",
       "email": "utenbrink@usgs.gov",
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         "value": "0000-0001-6858-3001",
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       "affiliation": [
         {
           "@type": "Organization",
           "name": "Woods Hole Coastal and Marine Science Center",
           "url": "https://www.usgs.gov/centers/woods-hole-coastal-and-marine-science-center"
         },
         {
           "@type": "Organization",
           "name": "Coastal and Marine Geology Program",
           "url": "https://www.usgs.gov/programs/cmhrp"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Hutchinson, Deborah dhutchinson@usgs.gov",
       "givenName": "Deborah",
       "familyName": "Hutchinson",
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     },
     {
       "@type": "Person",
       "name": "Mountain, G.S.",
       "givenName": "G.S.",
       "familyName": "Mountain",
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       "affiliation": [
         {
           "@type": "Organization",
           "name": "Department of Earth and Planetary Sciences, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey"
         }
       ]
     },
     {
       "@type": "Person",
       "name": "Schattner, U.",
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           "@type": "Organization",
           "name": "Dr. Mosses Straus Dept of Marine Geosciences, Leon H. Charney School of Marine Sciences, University of Haifa"
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       "name": "Woods Hole Coastal and Marine Science Center",
       "url": "https://www.usgs.gov/centers/woods-hole-coastal-and-marine-science-center"
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 }

}