Snap, Crackle, Pop: Dilational fault breccias record seismic slip below the brittle–plastic transition

Off-fault dynamic tensile cracks form behind an earthquake rupture front with distinct orientation and spacing. These cracks explode the wall rock and create breccias, which we hypothesize will preserve a unique fingerprint of dynamic rupture. Identification of these characteristic breccias may enab...

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Veröffentlicht in:	Earth and planetary science letters 2014-10, Vol.403, p.432-445
Hauptverfasser:	Melosh, Ben L., Rowe, Christie D., Smit, Louis, Groenewald, Conrad, Lambert, Christopher W., Macey, Paul
Format:	Artikel
Sprache:	eng
Schlagworte:	Breccia brittle–plastic transition dilational fault breccia Ductile brittle transition dynamic fracture Dynamics earthquake Fracture mechanics Mathematical models paleoseismic tool particle size distribution Rupture Seismic phenomena Slip
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