Articles | Volume 15, issue 12
https://doi.org/10.5194/se-15-1419-2024
https://doi.org/10.5194/se-15-1419-2024
Research article
 | 
04 Dec 2024
Research article |  | 04 Dec 2024

Increased metamorphic conditions in the lower crust during oceanic transform fault evolution

Peter Haas, Myron F. H. Thomas, Christian Heine, Jörg Ebbing, Andrey Seregin, and Jimmy van Itterbeeck

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Latest update: 07 Jan 2025
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Short summary
Transform faults are conservative plate boundaries where no material is added or destroyed. Oceanic fracture zones are their inactive remnants and record tectonic processes that formed oceanic crust. In this study, we combine high-resolution data sets along fracture zones in the Gulf of Guinea to demonstrate that their formation is characterized by increased metamorphic conditions. This is in line with previous studies that describe the non-conservative character of transform faults.