Wrench-Fault Tectonics

Moody, J. D.; Hill, M. J.

doi:10.1130/0016-7606(1956)67[1207:wt]2.0.co;2

Cited by 361 publications

(135 citation statements)

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“…The first synthesis of wrench fault tectonics, subsequently criticised by Prucha (1964) and Spencer (1969), was by Moody & Hill (1956). Bishop (1968) and others have commented on many aspects of wrench faulting in New Zealand (and elsewhere), but a more comprehensive work by Wilcox et al (1973) is partly from experimental data (from clay slab studies).…”

Section: Wrench Fault Modelsmentioning

confidence: 99%

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Structure of NZMS1 N153 Eketahuna sheet district and tectonics of Northern Wairarapa, North Island, New Zealand

Neef

1981

New Zealand Journal of Geology and Geophysics

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The Eketahuna district lies within the Axial Tectonic Belt in North Island, New Zealand and it overlies a subducting Pacific slab. It was strongly deformed during the late Cenozoic. The district contains several major NNE-trending faults, some of which have significant late Quaternary dextral displacements. The dextral Wellington Fault, in the west, is active along its entire trace in the sheet district, but other major faults are active along only parts of the traces, usually in the south. Many NNE-trending faults (synthetic faults) diverge from the major faults at c. 10-30°.Between the major NNE-trending faults, Late Miocene, Pliocene, and early Quaternary strata, thicker than suggested from gravity models, are commonly tilted to the northwest at 15-25°to form fault-angle depressions. Where the major NNEtrending faults are closely spaced, the strata between them usually dip steeply southeastwards. Most cross faults trend normal to the NNE-trending faults.Within fault blocks bounded by major NNEtrending faults, large folds vary in trend from parallel to c. 40°from the major faults. Parallelism of fault/fold trends may indicate that free slip occurred along the bounding faults whereas en echelon folds may indicate that shear strain was not entirely dissipated along these boundary faults. The orientations of drag folds adjacent to some of the major NNE-trending faults indicate that vertical components of faulting occurred along many of the major faults.On the structural contour map the following faults and folds, active during the late Cenozoic and/or Quaternary, are described and named (see Appendix 1): Cliff Road, Faulkner Road, Kaitawa, Newman, Nirvana, Rongokokako, Rongomai, and East and West Taiko (faults); Arakoa, Hinemoa, Kaiparoro, Kameru, Peep-o-day, and Rongomai (folds).

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Section: Wrench Fault Modelsmentioning

confidence: 99%

“…Figure 6A (after Harding 1974) shows which structures develop, related to a strain ellipse, during the wrenching of a clay slab. This model is preferred to the Moody & Hill (1956) wrench fault model (Fig. 6B).…”

Section: Wrench Fault Modelsmentioning

confidence: 99%

Structure of NZMS1 N153 Eketahuna sheet district and tectonics of Northern Wairarapa, North Island, New Zealand

Neef

1981

New Zealand Journal of Geology and Geophysics

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“…The investigations have shown that strikeslip faulting plays a significant role in intercontinental deformation within e.g., collisional 'mobile' belts and inverted sedimentary basins (for discussion see e.g., Moody and Hill 1956;Sylvester 1988;Woodcock and Schubert 1994 and citations therein). Strike-slip structures need the precise identification of diagnostic tectonic structures that formed as a result of the strikeMnin restraining stepover -evidence of significant Cretaceous-Cenozoic dextral strike-slip faulting along the Teisseyre-Tornquist Zone?…”

Section: Introductionmentioning

confidence: 99%

“…Other structures useful for the precise identification of strike-slip movements in vertical cross-sections and on seismic profiles, as well as on geological maps and satellite images are: flower structures (e.g., Wilcox et al 1973), folds with a helicoidal geometry of the axial surfaces in restraining stepovers (Sylvester 1988;Babaahmadi et al 2010;Nadimi and Konon 2012), especially when they form an en échelon arrangement (Moody and Hill 1956;Jamison 1991;Woodcock and Schubert 1994), and vertical-axis rotated tectonic blocks bounded by major strike-slip faults (Woodcock and Fisher 1986;Mandl 1987;Sylvester 1988;Peacock et al 1998;Woodcock and Rickards 2003;Kim et al 2004;Konon 2007;Nadimi and Konon 2012). Apart from map-scale structures, identification of minor structures associated with major faults, such as slickensides observed within the near-surface parts of fault zones, horsetail splays, wing cracks or antithetic faults at the terminations of major faults, also demonstrate the presence of strike-slip movements.…”

Section: Introductionmentioning

confidence: 99%

Mnin restraining stepover – evidence of significant Cretaceous–Cenozoic dextral strike-slip faulting along the Teisseyre-Tornquist Zone?

Konon¹,

Ostrowski²,

Rybak-Ostrowska³

et al. 2016

Acta Geologica Polonica

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ABSTRACT:Konon, A., Ostrowski, S., Rybak-Ostrowska, B., Ludwiniak, M., Śmigielski, M., Wyglądała, M., Uroda, J., Kowalczyk, S., Mieszkowski, R. and Kłopotowska, A. 2016. Mnin restraining stepover -evidence of significant Cretaceous-Cenozoic dextral strike-slip faulting along the Teisseyre-Tornquist Zone? Acta Geologica Polonica, 66 (3), 429-449. Warszawa.A newly recognized Mnin restraining stepover is identified in the Permo-Mesozoic cover of the western part of the Late Palaeozoic Holy Cross Mountains Fold Belt (Poland), within a fault pattern consisting of dextral strikeslip faults. The formation of a large contractional structure at the Late Cretaceous -Cenozoic transition displays the significant role of strike-slip faulting along the western border of the Teisseyre-Tornquist Zone, in the foreland of the Polish part of the Carpathian Orogen. Theoretical relationships between the maximum fault offsets/mean step length, as well as between the maximum fault offsets/mean step width allowed the estimation of the values of possible offsets along the Snochowice and Mieczyn faults forming the Mnin stepover. The estimated values suggest displacements of as much as several tens of kilometres. The observed offset along the Tokarnia Fault and theoretical calculations suggest that the strike-slip faults west of the Late Palaeozoic Holy Cross Mountains Fold Belt belong to a large strike-slip fault system.We postulate that the observed significant refraction of the faults forming the anastomosing fault pattern is related also to the interaction of the NW-SE-striking faults formed along the western border of the TeisseyreTornquist Zone and the reactivated WNW-ESE-striking faults belonging to the fault systems of the northern margin of the Tethys Ocean.

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“…The Texas lineament is most often considered to be a right-lateral strike-slip composite (' fault mainly of Tertiary age. Exceptionally, Moody and Hill (1955) inferred major left-lateral movement, and Baker (1935) and Albritton and Smith (1957) first suggested and substantiated that movement occurred as early as the Precambrian. Kelly (1955) further suggested that the lineament consists of a zone of en echelon faults.…”

Section: Northwest-trending System Of Complex Faultsmentioning

confidence: 98%

Tectonics of southeastern Arizona

Drewes¹

1981

Professional Paper

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Wrench-Fault Tectonics

Cited by 361 publications

References 0 publications

Structure of NZMS1 N153 Eketahuna sheet district and tectonics of Northern Wairarapa, North Island, New Zealand

Structure of NZMS1 N153 Eketahuna sheet district and tectonics of Northern Wairarapa, North Island, New Zealand

Mnin restraining stepover – evidence of significant Cretaceous–Cenozoic dextral strike-slip faulting along the Teisseyre-Tornquist Zone?

Tectonics of southeastern Arizona

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