2 edition of Internal structure of fault zones found in the catalog.
Internal structure of fault zones
|Statement||edited by Chi-yuen Wang.|
|The Physical Object|
|Pagination||373 p. :|
|Number of Pages||373|
|LC Control Number||86032667|
on the mechanics, structure and evolution of fault zones. Subjects discussed include damage rheologies, development of instabilities, fracture and friction, dynamic rupture experiments, and analyses of earthquake and fault zone data. Fault zone architecture represents the internal configuration of structures and fabrics produced by shearing and is defined in terms of three main rock units: unfractured protolith, damage zone.
Abstract. Fault zone architecture and related permeability structures form primary controls on fluid flow in upper-crustal, brittle fault zones. We develop qualitative and quantitative schemes for evaluating fault-related permeability structures by using results of field investigations, laboratory permeability measurements, Cited by: Although faults are generally represented as simple planes or surfaces, it is widely recognised that they can comprise several slip-surfaces each carrying a part of the total fault displacement. This complexity in fault zone structure can be mapped at outcrop and in the best quality seismic reflection data.
These fault zones are internally zoned; the majority of slip was confined to the cores of principal faults, which typically consist of a narrow layer (less than tens of centimeters) of ultracataclasite within a zone of foliated cataclasite several meters thick. Each fault core is bounded by a zone of damaged host rock of the order of m by: Internal structure of a fault zone 94 On a map and from a distance, most fault zones look like simple, thin lines or lineaments 95 (Fig. 1). As a consequence, fault zones have for a long time been.
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Normal fault in oceanic crust are important elements of all Mid-Oceanic Ridges. Although their surface expression is known, almost nothing is known about the internal structure of these fault zones.
The brittle character of the mafic oceanic crust promotes the formation of massively dilatant systems and makes these fault zones different from normal faults in weaker rocks, with important Author: M. Holland, J.
Urai, S. Martel. • The internal structure of fault zones: fluid flow and mechanical properties, W Kurz, J Imber, C A Wibberley, R E Holdsworth & C Collettini • Recent advances in the understanding of Internal structure of fault zones book zone internal structure: a review, C A J Wibberley, G Yielding & G Di Toro.
Part I: Fault zone evolution • Internal geometry of fault damage zones in interbedded siliciclastic sediments, T E S Johansen. Internal structure of the Nojima Fault fault zone where most of the displacement is accommodated, and the damaged zone is the network of subsidiary structures that has small faults, veins, fractures, cleavage, and folds (e.g.
Caine etal. The thickness of the fault core and damaged zone, and the ratio of the thicknessCited by: e.g. Iceland or Hawai’i – not much is known about the evolution and internal structure of these faults. As opposed to weak sediments, the cohesive oceanic crust promotes massively dilatant structures with large opening magnitudes up to several meters.
This has an important effect on the fault zone structure and its transport properties. Internal Structure of Fault Zones in Mid-Oceanic-Ridges: implications for Marc Holland, Janos L. Urai, Stephen Martel Normal fault in oceanic crust are important elements of all Mid-Oceanic Ridges.
Although their surface expression is known, almost nothing is known about the internal structure of these fault zones. The two rift zones separate Kīlauea into a relatively static block adjacent to Mauna Loa and a mobile southern flank . While the trace of theSouthwest Rift Zoneisratherlinear,theEast Rift Zone shows a prominent curvature.
The structural link between the rifts is the Koaʻe fault system . Fault zone internal structure is characterised by heterogeneous distributions of both continuous (drag, lens rotation) and discontinuous (joints, faults) deformation which cannot be easily modelled using continuum numerical by: 7.
The internal properties within and adjacent to fault zones are reviewed, principally on the basis of laboratory, borehole, and seismic refraction and reflection data. The deformation of rocks by faulting ranges from intragrain microcracking to severe alteration.
Saturated microcracked and mildly fractured rocks do not exhibit a significant reduction in velocity, but, from borehole measurements. Abstract The internal structures of the Nojima Fault, south‐west Japan, are examined from mesoscopic observations of continuous core samples from the Hirabayashi Geological Survey of Japan (GSJ) drilling.
The drilling penetrated the central part of the Nojima Fault, which ruptured during the Kobe earthquake (Hyogo‐ken Nanbu earthquake) (M).Cited by: However, because of difficulties in access, almost nothing is known of the internal structure of these fault zones, even though this internal structure controls transport of intrusive, meteoric and hydrothermal fluids , , , , , the mechanical properties of a fault, and the potential to host submarine ecosystems , , .
Seismic Measurements of the Internal Properties of Fault Zones WALTER D. MOONEY 1 and AVIHU GINZBURG 1,2 Abstract--The internal properties within and adjacent to fault zones are reviewed, principally on the basis of laboratory, borehole, and seismic refraction and reflection data.
The deformation of rocks byFile Size: 1MB. Roberts, G. and Michetti, A. M.,Spatial and temporal variations in growth rates along active normal fault systems: an example from The Lazio–Abruzzo Apennines, central Italy. Journal of Structural Geology – Deciphering the internal structure of large fault zones is fundamental if a proper understanding is to be gained of their mechanical, hydrological and seismological by: Internal structure of the San Jacinto fault zone in the trifurcation area southeast of Anza, California, from data of dense seismic arrays Qin, L.
Ben-Zion, by: Additional Physical Format: Online version: Internal structure of fault zones. Basel ; Boston: Birkhäuser, (OCoLC) Document Type: Book.
Fault zones inﬂuence the mechanical properties and seismogenic behaviour of the crust, the migration and trapping of hydrocarbons and mineralizing ﬂuids, regional hydrology and hydrogeology, and the morphology of the land surface (e.g., Handy et al.
Many diagrams are from Earth Structure, van der Pluijm and Marshak, Topics • Faults on outcrop, maps, and cross sections • Fault zones and fault rocks • Types of faults and terminology • Slip vs separation • Faults in wells • Fault propagation Faults, fault zones, shear zones Terminology Hanging wall Foot wall Fault Zone File Size: 1MB.
The internal properties within and adjacent to fault zones are reviewed, principally on the basis of laboratory, borehole, and seismic refraction and reflection data. The deformation of rocks by faulting ranges from intragrain microcracking to severe by:. The Internal Structure of Fault Zones: Implications for Mechanical and Fluid-flow Properties (Geological Society Special Publications) 0 avg rating • (0 ratings by Goodreads)Format: Hardcover.Three-dimensional DEM models of faults zones in mechanically layered sequences demonstrate that internal fault zone structure is predominantly controlled by the geometry of the initial fault.
Whether the initial fault is a segmented array or an irregular surface determines the complexity of structure it will develop as displacement increases.The internal structure of the Clark fault in the trifurcation area of the San Jacinto fault zone is imaged using seismograms recorded by a dense linear array (Jackass Flat, JF) crossing the surface trace of the fault and an adjacent array (TR) to the SW.
Delay times between phase arrivals associated with ∼ local earthquakes and nine teleseismic events are used to estimate velocity.