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  Self-organization of mid-ocean ridge segments during oblique oceanisation

Su, H., Liao, J., Brune, S., Gerya, T., Leng, W. (2026 online): Self-organization of mid-ocean ridge segments during oblique oceanisation. - Communications Earth and Environment.
https://doi.org/10.1038/s43247-026-03201-y

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???ViewItemFull_lblCiteItemAs???: https://gfzpublic.gfz.de/pubman/item/item_5038047 ???ViewItemFull_lblCiteItemVersionAs???: https://gfzpublic.gfz.de/pubman/item/item_5038047_1
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 ???ViewItemFull_lblCreators???:
Su, Hao1, ???ENUM_CREATORROLE_AUTHOR???
Liao, Jie1, ???ENUM_CREATORROLE_AUTHOR???
Brune, Sascha2, ???ENUM_CREATORROLE_AUTHOR???                 
Gerya, Taras1, ???ENUM_CREATORROLE_AUTHOR???
Leng, Wei1, ???ENUM_CREATORROLE_AUTHOR???
???ViewItemFull_lblAffiliations???:
1External Organizations, ou_persistent22              
22.5 Geodynamic Modelling, 2.0 Geophysics, Departments, GFZ Publication Database, GFZ Helmholtz Centre for Geosciences, ou_146031              

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 ???ViewItemFull_lblAbstract???: Obliquely rifted continental margins are common, yet oblique spreading ridge segments are surprisingly rare. Oblique oceanisation, as seen in the southeast Indian Ocean, the Central Gulf of Aden, and the Equatorial Atlantic, invariably evolved into orthogonal ridge segments connected by transform faults. It remains unclear why the orthogonal ridge-transform configuration is preferred, and how it develops under sustained oblique divergence. Using 3D thermomechanical numeric models, we show that slow/ultraslow oblique spreading inherited from oblique rifting is a dynamic process. It enhances asymmetric oceanic plate growth with alternating directions and spontaneously self-organizes into orthogonal ridge segments connected with transform faults. The offset and spacing of the oceanic transform faults are controlled by the obliquity angle and the spreading rate. The step-wise orthogonal ridge-transform pattern is favored because it minimizes the total length of stronger ridge segments relative to weaker transforms, thereby reducing the mechanical work required for plate separation.

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???ViewItemFull_lblLanguages???: eng - English
 ???ViewItemFull_lblDates???: 2026-01-21
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 ???ViewItemFull_lblIdentifiers???: ???ENUM_IDENTIFIERTYPE_DOI???: 10.1038/s43247-026-03201-y
???ENUM_IDENTIFIERTYPE_GFZPOF???: p4 T3 Restless Earth
???ENUM_IDENTIFIERTYPE_OATYPE???: Gold Open Access
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???ViewItemFull_lblSourceTitle???: Communications Earth and Environment
???ViewItemFull_lblSourceGenre???: ???ENUM_GENRE_JOURNAL???, SCI, Scopus, oa
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???ENUM_IDENTIFIERTYPE_PUBLISHER???: Springer Nature
???ENUM_IDENTIFIERTYPE_CONE???: https://gfzpublic.gfz.de/cone/journals/resource/202009111