Magma-maintained rift segmentation at continental rupture in the 2005 Afar dyking episode¶
Wright. (2005). Magma-maintained rift segmentation at continental rupture in the 2005 Afar dyking episode.
Cited by¶
1 citation across 1 artifact.
Domain-specific¶
- Rift Zone
- Continental rift tectonics — the home turf; the staged progression (doming → distributed faulting and grabens → focused breakup → seafloor spreading) and its propagate-or-arrest and magmatic-or-amagmatic branches describe active rifts such as the East African, Rio Grande, and Baikal systems, with the EARS read south-to-north as a space-for-time cross-section. Basin analysis and petroleum geology — McKenzie uniform-stretching turns extension into a β-factor from which syn-rift subsidence and post-rift thermal-sag history follow quantitatively, making a sedimentary basin's fill a readout of its stretching and a target for hydrocarbon-maturation modelling. Mid-ocean-ridge and marine geophysics — ridges are completed continental rifts now spreading, so the same extensional mode-signature and thinning mechanics describe the oceanic phase of divergence. Back-arc and pull-apart basin studies — extensional basins behind subduction zones and along strike-slip systems (the Dead Sea Basin) carry the same graben-forming mechanism under a different driving-stress configuration. Failed-rift and aulacogen geology — arrested arms at triple junctions (the Benue Trough, the Reelfoot/New Madrid rift) preserve early-stage architecture and survive as reactivation-prone crustal weaknesses. Seismic-hazard science — the extensional mode predicts normal-fault moment tensors, so a rift's fault geometry and reactivation potential feed earthquake-hazard assessment (e.g. intraplate hazard at New Madrid). Volcanology and geothermal geology — magmatic rifting concentrates dyke intrusion and effusive volcanism along the axis (Afar, Iceland), making the rift axis a locus of geothermal and magmatic activity
Supported in partVerified against the work's full text
“magma intrusion via dyking, rather than segmented normal faulting, maintains and probably initiated the along-axis segmentation along this sector of the Nubia”
- Continental rift tectonics — the home turf; the staged progression (doming → distributed faulting and grabens → focused breakup → seafloor spreading) and its propagate-or-arrest and magmatic-or-amagmatic branches describe active rifts such as the East African, Rio Grande, and Baikal systems, with the EARS read south-to-north as a space-for-time cross-section. Basin analysis and petroleum geology — McKenzie uniform-stretching turns extension into a β-factor from which syn-rift subsidence and post-rift thermal-sag history follow quantitatively, making a sedimentary basin's fill a readout of its stretching and a target for hydrocarbon-maturation modelling. Mid-ocean-ridge and marine geophysics — ridges are completed continental rifts now spreading, so the same extensional mode-signature and thinning mechanics describe the oceanic phase of divergence. Back-arc and pull-apart basin studies — extensional basins behind subduction zones and along strike-slip systems (the Dead Sea Basin) carry the same graben-forming mechanism under a different driving-stress configuration. Failed-rift and aulacogen geology — arrested arms at triple junctions (the Benue Trough, the Reelfoot/New Madrid rift) preserve early-stage architecture and survive as reactivation-prone crustal weaknesses. Seismic-hazard science — the extensional mode predicts normal-fault moment tensors, so a rift's fault geometry and reactivation potential feed earthquake-hazard assessment (e.g. intraplate hazard at New Madrid). Volcanology and geothermal geology — magmatic rifting concentrates dyke intrusion and effusive volcanism along the axis (Afar, Iceland), making the rift axis a locus of geothermal and magmatic activity
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