publication . Conference object . Article . Preprint . Other literature type . 2019

How do normal faults grow

Atle Rotevatn; Christopher A.-L. Jackson; Anette B. M. Tvedt; Rebecca E. Bell; Ingvild Blaekkan;
Open Access English
  • Published: 28 Nov 2019
  • Country: United Kingdom
Abstract
Abstract Normal faults grow via synchronous increase in displacement and length (‘propagating fault model’, also known as the ‘isolated fault model’), or by rapid length establishment and subsequent displacement accrual (constant-length fault model). We here use time-series displacement (D) and length (L) data from natural and experimental faults to elucidate growth styles and D-L trajectories throughout fault life, and to assess the applicability of the two fault models. We show that the growth of most faults is characterized by two stages, with the first defined by fault lengthening (20–30% of fault lifespan) and the second by displacement accrual (70–80% of f...
Subjects
Medical Subject Headings: human activities
free text keywords: Geology, Solid Earth Sciences, Structural Geology, normal faults, rifting, extensional tectonics, normal fault growth, normal fault kinematics, rift basins, bepress|Physical Sciences and Mathematics, bepress|Physical Sciences and Mathematics|Earth Sciences|Tectonics and Structure, bepress|Physical Sciences and Mathematics|Earth Sciences, EarthArXiv|Physical Sciences and Mathematics, EarthArXiv|Physical Sciences and Mathematics|Earth Sciences|Tectonics and Structure, EarthArXiv|Physical Sciences and Mathematics|Earth Sciences, Earth Sciences, Physical Sciences and Mathematics, Tectonics and Structure, Geochemistry & Geophysics, 0403 Geology, Two stages, Geometry, Fault model, Relay, law.invention, law, Normal fault, Algorithm
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