How Do Passive Margins Convert to Active Margins?
Abstract There has been a long debate about how passive (Atlantic‐type) margins can convert to active (Andean) margins, particularly if they can do so directly, or some other process such as an arc‐continent collision must intervene (Burke et al., 1984; Dewey, 1969, https://doi.org/10.1016/0012‐821x...
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2025-05-01
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| Series: | Geochemistry, Geophysics, Geosystems |
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| Online Access: | https://doi.org/10.1029/2025GC012394 |
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| author | Timothy M. Kusky Junpeng Wang |
| author_facet | Timothy M. Kusky Junpeng Wang |
| author_sort | Timothy M. Kusky |
| collection | DOAJ |
| description | Abstract There has been a long debate about how passive (Atlantic‐type) margins can convert to active (Andean) margins, particularly if they can do so directly, or some other process such as an arc‐continent collision must intervene (Burke et al., 1984; Dewey, 1969, https://doi.org/10.1016/0012‐821x(69)90089‐2; Kusky & Kidd, 1985). Most numerical models have long‐suggested that only very young passive margins can be sites of subduction initiation since old margins become stronger as they cool and develop thick sedimentary piles during thermal subsidence (e.g., Cloetingh et al., 1982, https://doi.org/10.1038/297139a0, 1989, https://doi.org/10.1007/bf00874622; 1996; Zhong & Li, 2019, https://doi.org/10.1029/2019gl084022), whereas other analog and numerical models have suggested that old passive margins may spontaneously convert to subduction zones (e.g., Bercovici & Mulyukova, 2021, https://doi.org/10.1073/pnas.2011247118; Faccenna et al., 1999, https://doi.org/10.1029/1998jb900072; Nikolaeva et al., 2010, https://doi.org/10.1029/2009jb00654; Stern & Gerya, 2018, https://doi.org/10.1016/j.tecto.2017.10.014; Zhang et al., 2023, https://doi.org/10.1029/2023gl103553). |
| format | Article |
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| institution | OA Journals |
| issn | 1525-2027 |
| language | English |
| publishDate | 2025-05-01 |
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| series | Geochemistry, Geophysics, Geosystems |
| spelling | doaj-art-7be197c6a9204a5fb61d9845b0e4e8b92025-08-20T02:23:47ZengWileyGeochemistry, Geophysics, Geosystems1525-20272025-05-01265n/an/a10.1029/2025GC012394How Do Passive Margins Convert to Active Margins?Timothy M. Kusky0Junpeng Wang1State Key Lab for Geological Processes and Mineral Resources, and Center for Global Tectonics School of Earth Sciences China University of Geosciences Wuhan ChinaState Key Lab for Geological Processes and Mineral Resources, and Center for Global Tectonics School of Earth Sciences China University of Geosciences Wuhan ChinaAbstract There has been a long debate about how passive (Atlantic‐type) margins can convert to active (Andean) margins, particularly if they can do so directly, or some other process such as an arc‐continent collision must intervene (Burke et al., 1984; Dewey, 1969, https://doi.org/10.1016/0012‐821x(69)90089‐2; Kusky & Kidd, 1985). Most numerical models have long‐suggested that only very young passive margins can be sites of subduction initiation since old margins become stronger as they cool and develop thick sedimentary piles during thermal subsidence (e.g., Cloetingh et al., 1982, https://doi.org/10.1038/297139a0, 1989, https://doi.org/10.1007/bf00874622; 1996; Zhong & Li, 2019, https://doi.org/10.1029/2019gl084022), whereas other analog and numerical models have suggested that old passive margins may spontaneously convert to subduction zones (e.g., Bercovici & Mulyukova, 2021, https://doi.org/10.1073/pnas.2011247118; Faccenna et al., 1999, https://doi.org/10.1029/1998jb900072; Nikolaeva et al., 2010, https://doi.org/10.1029/2009jb00654; Stern & Gerya, 2018, https://doi.org/10.1016/j.tecto.2017.10.014; Zhang et al., 2023, https://doi.org/10.1029/2023gl103553).https://doi.org/10.1029/2025GC012394passive marginsubduction polarity reversal |
| spellingShingle | Timothy M. Kusky Junpeng Wang How Do Passive Margins Convert to Active Margins? Geochemistry, Geophysics, Geosystems passive margin subduction polarity reversal |
| title | How Do Passive Margins Convert to Active Margins? |
| title_full | How Do Passive Margins Convert to Active Margins? |
| title_fullStr | How Do Passive Margins Convert to Active Margins? |
| title_full_unstemmed | How Do Passive Margins Convert to Active Margins? |
| title_short | How Do Passive Margins Convert to Active Margins? |
| title_sort | how do passive margins convert to active margins |
| topic | passive margin subduction polarity reversal |
| url | https://doi.org/10.1029/2025GC012394 |
| work_keys_str_mv | AT timothymkusky howdopassivemarginsconverttoactivemargins AT junpengwang howdopassivemarginsconverttoactivemargins |