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  • ArcCRUST-AgeOceanicLithosphere; ArcCRUST-CrustalThickness; ArcCRUST-Moho; ArcCRUST-SedimentThickness; Arctic; crutsal thickness; Event label; File content; File format; File name; File size; Moho; oceanic lithosphere; sediment thickness; Uniform resource locator/link to file  (1)
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  • 1
    Book
    Book
    The NE Atlantic region : a reappraisal of crustal structure, tectonostratigraphy and magmatic evolution (2017)
    London : The Geological Society
    Details Availability
    Keywords: Geology History ; Continental margins History ; Geology Research ; Continental margins Research ; Geodynamics ; Magmas Evolution ; Aufsatzsammlung ; Atlantischer Ozean Nordost ; Kontinentalrand ; Rift ; Extension ; Sedimentationsbecken ; Plattentektonik ; Island-Färöer-Rücken ; Kontinentalrand ; Rifting ; Störung ; Becken ; Tektonik ; Europäisches Nordmeer ; Mittelatlantischer Rücken Nord ; Reykjanesrücken ; Shetlandinseln ; Jan-Mayen-Rücken ; Kolbeinsey-Rücken ; Norwegensee ; Grönlandsee ; Seafloor spreading ; Aufsatzsammlung ; Atlantischer Ozean Nordost ; Kontinentalrand ; Rift ; Extension ; Sedimentationsbecken ; Plattentektonik ; Island-Färöer-Rücken ; Kontinentalrand ; Rifting ; Störung ; Becken ; Tektonik ; Europäisches Nordmeer ; Mittelatlantischer Rücken Nord ; Reykjanesrücken ; Shetlandinseln ; Jan-Mayen-Rücken ; Kolbeinsey-Rücken ; Norwegensee ; Grönlandsee ; Seafloor spreading ; Aufsatzsammlung
    Description / Table of Contents: The NAG-TEC project was a collaborative effort by the British Geological Survey, the Geological Survey of Denmark and Greenland, the Geological Survey of Ireland, the Geological Survey of the Netherlands, the Geological Survey of Northern Ireland, the Geological Survey of Norway, Iceland GeoSurvey and the Faroese Geological Survey (Jarðfeingi), along with a number of academic partners and significant support from industry. The main focus was to investigate the tectonic evolution of the region with a particular emphasis on basin evolution along conjugate margins. A key outcome was the development of a new tectonostratigraphic atlas and database that includes comprehensive geological and geophysical information relevant for understanding the Devonian to present evolution of the NE Atlantic margins. These provide the foundation upon which ongoing research and exploration of the area can build. This Special Publication provides some of the first scientific results and analysis based on the project, including regional stratigraphic analysis and correlations, crustal structure and interpretation of geophysical data sets, plate kinematics and the evolution of igneous provinces.--
    Type of Medium: Book
    Pages: vi, 467 Seiten , Illustrationen, Karten, Diagramme
    ISBN: 9781786202789
    Series Statement: Geological Society Special publication no. 447
    URL: http://www.gbv.de/dms/tib-ub-hannover/1002798809.pdf
    DDC: 551.70091633
    Language: English
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    ArcCRUST: Arctic crustal thickness from 3D gravity inversion, links to files in NetCDF format (2019)
    PANGAEA
    In:  Supplement to: Lebedeva-Ivanova, Nina; Gaina, Carmen; Minakov, Alexander; Kashubin, Sergei (2019): ArcCRUST: Arctic Crustal Thickness From 3‐D Gravity Inversion. Geochemistry, Geophysics, Geosystems, 20(7), 3225-3247, https://doi.org/10.1029/2018GC008098
    Details
    Publication Date: 2023-01-30
    Description: The ArcCRUST model consists of crustal thickness and estimated crustal thinning factors grids for the High Arctic and Circum-Arctic regions (north of 67°N). This model is derived by using 3D forward and inverse gravity modelling. Updated sedimentary thickness grid, an oceanic lithosphere age model together with inferred microcontinent rifting ages, variable crystalline crust and sediment densities, and dynamic topography models constrain this inversion. We use published high-quality 2D seismic crustal-scale models to create a database of Depths to Seismic Moho (DSM) profiles. To check the quality of the ArcCRUST model, we have performed a statistical analysis of misfits between the ArcCRUST Moho depths and DSM values. Systematic analysis of the misfits within the Arctic sedimentary basins provides information about tectonic processes unaccounted by the assumed model of pure-shear lithospheric extension. In particular, our model implies a less-dense and/or thin mantle lithosphere underneath microcontinents in the deep Arctic Ocean where the ArcCRUST depth to Moho values exceed the depth to seismic Moho. A systematically larger gravity-derived crustal thickness (ca. 3 km) under the western and northern Greenland Sea points to a hotter upper mantle implied by the seismic tomography models in the North Atlantic.
    Keywords: ArcCRUST-AgeOceanicLithosphere; ArcCRUST-CrustalThickness; ArcCRUST-Moho; ArcCRUST-SedimentThickness; Arctic; crutsal thickness; Event label; File content; File format; File name; File size; Moho; oceanic lithosphere; sediment thickness; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
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