Visual Geodynamics

This web-page provides numerical modelling based animations for various geodynamic processes that can be used for teaching

INTRUSION EMPLACEMENT PROCESSES

Magma ballooning in the lower crust (Gerya and Burg, 2007): Magma_Ballooning.ppt

Intrusion of magmatic pipe (Gerya and Burg, 2007): Magmatic_Pipe.ppt

SUBDUCTION PROCESSES

Forming of subduction channel and exhumation of HP rocks (Gerya et al., 2002; Gerya and Stöckhert, 2006): Subduction.ppt

Cold plumes and cold waves along slabs (Gerya et al., 2004, Zhu et al., 2009): Cold_Plumes.ppt
3D_Cold_Plumes_1.mpeg
3D_Cold_Plumes_2.mpeg

Rigid body rotation ("subduction wheel") in oceanic subduction (Gorczyk et al., 2006):

Lithology Subduction_wheel_rocks.wmv

Viscosity Subduction_wheel_viscosity.wmv

Seismic velocity (vp) Subduction_wheel_seismo.wmv

Subduction and melting under continental margin (Gorczyk et al., 2007):

Stable subduction regime Stable_subduction.wmv

Fore-arc extension and slab retreat regime Retreating_subduction.wmv

Transitional regime between above two Transient_subduction.wmv

Subduction with backarc basin opening(Gerya and Meilick, 2010): A) general view irep_z1.wmv B) zoom irep_z.wmv

Subduction with tranf-lithospheric plumes(Gerya and Meilick, 2010) irev_z.wmv

Subduction initiation at a passive continental margin (Nikolaeva et al., 2010) Subduction_Initiation.ppt

COLLISION PROCESSES

Exhumation of UHP rocks during incipient collision (Gerya et al., 2008, Lithos) Hot_Channel.ppt

Two-sided collision  (Faccenda et al., 2007) Two_Sided_Collision.ppt

Arc-Continent collision (Gerya, unpublished) mica.ppt

EXTENSION PROCESSES

Development of transform faults at mid-ocean ridges (Gerya, 2010) Transform_Faults.ppt

DIAPIRISM

Growth of a diapir (Gerya, 2010): Diapir.ppt

Crustal diapir exhuming granulite facies rocks (Gerya et al., 2000): Granulite.ppt

Cold diapirs growing in Bushveld intrusion and in subduction zones (Gerya et al., 2003; Gerya and Yuen, 2003): Cold_Diapirs.ppt

SLAB BREAKOFF PROCESSES

Simplified model of slab detachment (Gerya et al., 2004): Detachment.mpg
Detachment.mpg

Multiple-scale models of slab breakoff and UHP rocks exhumation (Gerya, unpublished results): Breakoff.ppt

PLANETARY PROCESSES

Planetary accretion by meteorite impacts (Gerya and Yuen, 2007): Impacts.ppt

Planetary reshaping (shell tectonics) during iron core formation (Gerya and Yuen, 2007; Lin et al., 2009; Golabek et al., 2009): Shell_Tectonics.ppt
Decomposition.wmv
Collective_diapirism.wmv
Fragmentation.wmv