Identifying deformed pseudotachylyte and its influence on the strength and evolution of a crustal shear zone at the base of the seismogenic zone

On a strand of the Norumbega fault system, a Paleozoic, subvertical, seismogenic fault system in northeastern New England, USA, we document changes associated with the formation and deformation of pseudotachylyte to form ultramylonite/phyllonite layers. We consider how those textural and mineralogic...

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Veröffentlicht in:	Tectonophysics 2012-01, Vol.518-521, p.63-83
Hauptverfasser:	Price, Nancy A., Johnson, Scott E., Gerbi, Christopher C., West, David P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Brittle–ductile Contact Corners Deformation Faults Frictional-viscous Marine Mylonite Norumbega fault system Pseudotachylyte Seismic engineering Seismic phenomena Shear zone Strength Ultramylonite
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