A5036642496- earthquake and tectonic studies
- Geological and Geochemical Analysis
- Seismology and Earthquake Studies
- Geological Modeling and Analysis
- Seismic Imaging and Inversion Techniques
- Seismic Waves and Analysis
- Geological and Geophysical Studies Worldwide
- Geochemistry and Geologic Mapping
- Reservoir Engineering and Simulation Methods
- Geological and Geophysical Studies
- Archaeological and Geological Studies
- Gender, Labor, and Family Dynamics
- BIM and Construction Integration
- Financial Literacy, Pension, Retirement Analysis
- Geological Formations and Processes Exploration
- Drilling and Well Engineering
- Geotechnical and Geomechanical Engineering
- Economic Policies and Impacts
- High-pressure geophysics and materials
- Geological and Tectonic Studies in Latin America
- Hydrocarbon exploration and reservoir analysis
- Geological formations and processes
- Advanced Computational Techniques and Applications
- Paleontology and Stratigraphy of Fossils
- Hydraulic Fracturing and Reservoir Analysis
University of Exeter
2022
University of Victoria
2012-2016
Harvard University
2009-2014
Planetary Science Institute
2010
The 2008 M w 7.9 Wenchuan earthquake ruptured an imbricate thrust system in the Longmen Shan range, which forms eastern boundary of Tibetan Plateau.We use seismic reflection data and surface geology to construct geologic cross sections a three-dimensional (3D) fault model range front.The rupture was complex, with slip on both steeply dipping Beichuan more shallowly Pengguan fault, appear merge at depth.In contrast, only north, transition near lateral offset.Thus, involved multiple splays...
Research Article| May 01, 2014 Provenance variability along the Early Ordovician north Gondwana margin: Paleogeographic and tectonic implications of U-Pb detrital zircon ages from Armorican Quartzite Iberian Variscan belt J. Shaw; Shaw † 1School Earth Ocean Sciences, University Victoria, P.O. Box 1700 STN CSC, BC V8W 2Y2, Canada †E-mail: jesshaw@uvic.ca. Search for other works by this author on: GSW Google Scholar G. Gutiérrez-Alonso; Gutiérrez-Alonso 2Departamento de Geología, Universidad...
The Ventura Avenue anticline is one of the fastest uplifting structures in southern California, rising at ∼5 mm=yr.We use well data and seismic reflection profiles to show that underlain by fault, which extends seismogenic depth.Fault offset increases with depth, implying a fault-propagation fold.A decrease uplift rate since ∼30 10 ka consistent fault breaking through surface time implies has recent dip-slip ∼4:4-6:9 mm=yr.To west, fold trend continues offshore as Pitas Point its associated...
Abstract The devastating 2008 M w 7.9 Wenchuan earthquake, China, demonstrates that the central and northern parts of Longmen Shan are currently active. Evidence for active faulting folding in southern Shan, however, remains poorly documented. In this paper, we define structural geometry, fault kinematics, seismic hazard Qiongxi thrust system (QTF) along range front by integrating deep shallow seismic‐reflection data geomorphic observations. QTF is a 50 km long, north–south‐trending set...
Seven samples of Siluro-Devonian sedimentary rocks from the Cantabrian and Central Iberian zones Variscan belt have been investigated for provenance contain four main age populations in variable relative proportion: Ediacaran–Cryogenian ( c . 0.55–0.8 Ga), Tonian–Stenian (0.85–1.2 Palaeoproterozoic 1.8–2.2 Ga) Archaean 2.5–3.3 Ga). Five very minor Palaeozoic (Cambrian) zircons six but significant Middle Early Mesoproterozoic (Ectasian–Calymmian, 1.6–1.8) age. These data highlight transition...
The coupled Iberian oroclines of the western European Variscan orogen accommodated >1100 km post-Variscan orogen-parallel shortening at translation rates in excess 5 cm⋅yr–1. Palinspastic restoration reveals a north-south–trending 2300-km-long ribbon bound by ophiolite-bearing allochthons. requirements for orocline formation, including continuing subduction and consumption vast tracks oceanic lithosphere, cannot be reconciled within traditional models that view as record closure single...
The Variscan orogen provides the European record of late Paleozoic continental collisions that culminated with formation supercontinent Pangea. An S-shaped pair isoclinal coupled oroclines characterizes Iberian Massif. Though are common features world's orogenic belts, mechanisms drive oroclinal formation, and manner in which these continental-scale vertical-axis folds orogens accommodated poorly understood. northerly Cantabrian southerly Central structurally continuous pericontemporaneous,...
Abstract The Palos Verdes fault (PVF) is an active structure in southern California comprised of several segments that together form a complex system. has been since the Miocene and major regional seismic source. Using marine petroleum industry data, we define geometry offsets Tertiary stratigraphic units constrain along strike segmentation slip rates on In San Pedro Bay, patterns deformed suggest deep dips moderately to southwest was initially formed as normal fault. Plio–Pleistocene...
The origin of the Cantabrian orocline Variscan orogen in NW Iberia remains a topic debate. We present structural study Ponga Unit, Cambrian to Carboniferous tectonostratigraphic package within West European belt foreland fold-and-thrust that lies core region orocline. Our primary goal was determine if W-plunging folds are attributable formation orocline, or they reflect lateral ramps underlying thrust faults. major lithologic units Unit rheologically competent Lower Ordovician Barrios...
Imbricate thrust structures are common in deep-water environments of active margins worldwide, including the Southern Caribbean basin, offshore northern Colombia. The imbricate systems this region part accretionary prism that resulted from transpressional collision between and South American plates during Tertiary times. basin offers an extraordinary opportunity to study systems, as these extremely well imaged at deep levels seismic reflection profiles because they preserve growth strata...