Results of analogue tectonic models of rifting and tectonic lineament reactivation along the Main Ethiopian Rift

Cite as:

Zwaan, Frank; Muluneh, Ameha A.; Liu, Jun; Kosari, Ehsan; Rosenau, Matthias; Corti, Giacomo; Sani, Federico (2025): Results of analogue tectonic models of rifting and tectonic lineament reactivation along the Main Ethiopian Rift. GFZ Data Services. https://doi.org/10.5880/fidgeo.2025.041

Status

I N R E V I E W : Zwaan, Frank; Muluneh, Ameha A.; Liu, Jun; Kosari, Ehsan; Rosenau, Matthias; Corti, Giacomo; Sani, Federico (2025): Results of analogue tectonic models of rifting and tectonic lineament reactivation along the Main Ethiopian Rift. GFZ Data Services. https://doi.org/10.5880/fidgeo.2025.041

Abstract

This data set includes results from a total of 13 analogue tectonic models aimed at simulating the activation of tectonic lineaments associated with the Main Ethiopian Rift in eastern Africa. We use a model set-up based on previous work by Zwaan et al. (2021, 2022). This set-up involves a velocity discontinuity (VD, i.e., the edge of a mobile base plate) to induce extension in the overlying brittle- and viscous model materials representing the upper and lower crust, respectively. Additional structural weaknesses (seeds) at the base of the brittle layer serve to represent activated tectonic weaknesses in nature. Model parameters (different VD and seed orientation, and different seed diameters) are summarized in Table 1. The model results presented in this data publication are obtained through Digital Image Correlation (DIC) and Structure-from-Motion (SfM) analyses. A more detailed description of model set-up, model results, and their interpretation can be found in Zwaan et al. (2025)

Authors

Zwaan, Frank;GFZ Helmholtz Centre for Geosciences, Potsdam, Germany;University of Fribourg, Fribourg, Switzerland;University of Lausanne, Lausanne, Switzerland
Muluneh, Ameha A.;GFZ Helmholtz Centre for Geosciences, Potsdam, Germany;MARUM / University of Bremen, Bremen, Germany
Liu, Jun;GFZ Helmholtz Centre for Geosciences, Potsdam, Germany;Freie Universität Berlin, Berlin, Germany
Kosari, Ehsan;GFZ Helmholtz Centre for Geosciences, Potsdam, Germany
Rosenau, Matthias;GFZ Helmholtz Centre for Geosciences, Potsdam, Germany
Corti, Giacomo;CNR-IGG Consiglio Nazionale delle Ricerche
Sani, Federico;University of Florence, Florence, Italy

Contact

Zwaan, Frank; University of Lausanne, Lausanne, Switzerland; ➦

Contributors

HelTec - Helmholtz Laboratory for Tectonic Modelling (GFZ German Research Centre for Geosciences, Germany)

Funders

Helmholtz-Zentrum Potsdam - Deutsches GeoForschungsZentrum GFZ: GFZ Discovery Fellowship
Université de Lausanne: FGE Equality Grant
Deutsche Forschungsgemeinschaft (537025018)
China Scholarship Council (202006190038)

Keywords

EPOS, multi-scale laboratories, analogue models of geologic processes, analogue modelling results, deformation > ductile flow, deformation > fracturing, geologic process, rifting, tectonic process > continental_breakup > rifting, Digital Image Correlation (DIC) / Particle Image Velocimetry (PIV) > StrainMaster (La Vision GmbH), Structure from Motion (SfM), earth interior setting > crust setting > continental-crustal setting > upper continental crustal setting, graben, tectonic setting > extended terrane setting > continental rift setting, fault, normal fault, rift valley, Generic camera, High frame rate camera, Laser scanner, SLR camera, Time lapse camera, Sand > Corundum Sand, Sand > Quartz Sand, Silicon/Silly putty/PDMS, Sandbox > Sandbox (cm scale), tectonic and structural features, Digital Image Correlation (DIC) / Particle Image Velocimetry (PIV) > StrainMaster (La Vision GmbH), Generic camera, High frame rate camera, Laser scanner, SLR camera, Sand > Corundum Sand, Sand > Quartz Sand, Sandbox > Sandbox (cm scale), Silicon/Silly putty/PDMS, Structure from Motion (SfM), Time lapse camera, deformation > ductile flow, deformation > fracturing, earth interior setting > crust setting > continental-crustal setting > upper continental crustal setting, fault, geologic process, graben, normal fault, rift valley, rifting, tectonic and structural features, tectonic process > continental_breakup > rifting, tectonic setting > extended terrane setting > continental rift setting

GCMD Science Keywords

More Metadata

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      - affiliation: University of Florence, Florence, Italy
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    - title: Results of analogue tectonic models of rifting and tectonic lineament reactivation along the Main Ethiopian Rift
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  - publicationYear: 2025
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