Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent
In this contribution, we present a model of microcontinent architecture within a system that involves a complex rifted margin setting and different phases of deformation and continental breakup. Our case study is the Jan Mayen Microcontinent (JMMC) located in the central part of the Norwegian–Greenl...
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fthighwire:oai:open-archive.highwire.org:gji:191/2/385 2023-05-15T16:03:47+02:00 Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent Peron-Pinvidic, Gwenn Gernigon, Laurent Gaina, Carmen Ball, Philip 2012-11-01 00:00:00.0 text/html http://gji.oxfordjournals.org/cgi/content/short/191/2/385 https://doi.org/10.1111/j.1365-246X.2012.05639.x en eng Oxford University Press http://gji.oxfordjournals.org/cgi/content/short/191/2/385 http://dx.doi.org/10.1111/j.1365-246X.2012.05639.x Copyright (C) 2012, Oxford University Press Geodynamics and Tectonics TEXT 2012 fthighwire https://doi.org/10.1111/j.1365-246X.2012.05639.x 2015-02-28T20:29:25Z In this contribution, we present a model of microcontinent architecture within a system that involves a complex rifted margin setting and different phases of deformation and continental breakup. Our case study is the Jan Mayen Microcontinent (JMMC) located in the central part of the Norwegian–Greenland Sea. We have revised its basement and sedimentary geometries using modern and vintage seismic reflection profiles, and updated potential field data. The northern part of the JMMC consists of a ∼10–15 km thick continental crust body flanked by two major sedimentary basins. We propose that the microcontinent is divided into six distinct segments, characterized by different basement and sedimentary architectures. The shallow stratigraphy is well imaged and has been detailed. Three distinct sedimentary units have been defined together with pronounced reflectors (JA, Red, JO and F), related to erosional, magmatic, thermal or uplift events. The continent–ocean boundary has been revised together with the mapping of the distinct volcanic events that characterize the evolution of the microcontinent. A companion paper aims to further detail the interpretation of the JMMC structure presented here by constraining the conjugated mid-Norwegian and mid-East Greenland structures. Text East Greenland Greenland Greenland Sea Jan Mayen HighWire Press (Stanford University) Greenland Jan Mayen Geophysical Journal International 191 2 385 412 |
institution |
Open Polar |
collection |
HighWire Press (Stanford University) |
op_collection_id |
fthighwire |
language |
English |
topic |
Geodynamics and Tectonics |
spellingShingle |
Geodynamics and Tectonics Peron-Pinvidic, Gwenn Gernigon, Laurent Gaina, Carmen Ball, Philip Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent |
topic_facet |
Geodynamics and Tectonics |
description |
In this contribution, we present a model of microcontinent architecture within a system that involves a complex rifted margin setting and different phases of deformation and continental breakup. Our case study is the Jan Mayen Microcontinent (JMMC) located in the central part of the Norwegian–Greenland Sea. We have revised its basement and sedimentary geometries using modern and vintage seismic reflection profiles, and updated potential field data. The northern part of the JMMC consists of a ∼10–15 km thick continental crust body flanked by two major sedimentary basins. We propose that the microcontinent is divided into six distinct segments, characterized by different basement and sedimentary architectures. The shallow stratigraphy is well imaged and has been detailed. Three distinct sedimentary units have been defined together with pronounced reflectors (JA, Red, JO and F), related to erosional, magmatic, thermal or uplift events. The continent–ocean boundary has been revised together with the mapping of the distinct volcanic events that characterize the evolution of the microcontinent. A companion paper aims to further detail the interpretation of the JMMC structure presented here by constraining the conjugated mid-Norwegian and mid-East Greenland structures. |
format |
Text |
author |
Peron-Pinvidic, Gwenn Gernigon, Laurent Gaina, Carmen Ball, Philip |
author_facet |
Peron-Pinvidic, Gwenn Gernigon, Laurent Gaina, Carmen Ball, Philip |
author_sort |
Peron-Pinvidic, Gwenn |
title |
Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent |
title_short |
Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent |
title_full |
Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent |
title_fullStr |
Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent |
title_full_unstemmed |
Insights from the Jan Mayen system in the Norwegian-Greenland sea--I. Mapping of a microcontinent |
title_sort |
insights from the jan mayen system in the norwegian-greenland sea--i. mapping of a microcontinent |
publisher |
Oxford University Press |
publishDate |
2012 |
url |
http://gji.oxfordjournals.org/cgi/content/short/191/2/385 https://doi.org/10.1111/j.1365-246X.2012.05639.x |
geographic |
Greenland Jan Mayen |
geographic_facet |
Greenland Jan Mayen |
genre |
East Greenland Greenland Greenland Sea Jan Mayen |
genre_facet |
East Greenland Greenland Greenland Sea Jan Mayen |
op_relation |
http://gji.oxfordjournals.org/cgi/content/short/191/2/385 http://dx.doi.org/10.1111/j.1365-246X.2012.05639.x |
op_rights |
Copyright (C) 2012, Oxford University Press |
op_doi |
https://doi.org/10.1111/j.1365-246X.2012.05639.x |
container_title |
Geophysical Journal International |
container_volume |
191 |
container_issue |
2 |
container_start_page |
385 |
op_container_end_page |
412 |
_version_ |
1766399479630528512 |