Implications for mechanical properties of brittle faults from observations of the Punchbowl fault zone, California

Chester, F. M.; Logan, John M.

doi:10.1007/bf00875720

Cited by 639 publications

(486 citation statements)

References 29 publications

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“…518 519 Previous conceptual models for the structure of large-displacement faults described two 520 end-member structures of fault zones. The Punchbowl fault (California; USA), which 521 comprises a single fault core centrally located in the damage zone (Chester and Logan, 1986), 522 represents one end-member. The other end-member consists of multiple, anastamosing gouge…”

Section: Sampling and Analytical Methods 428mentioning

confidence: 99%

Tectonic evolution of the Ganos segment of the North Anatolian Fault (NW Turkey)

Janssen

Bohnhoff

Vapnik

et al. 2009

Journal of Structural Geology

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Section: Sampling and Analytical Methods 428mentioning

confidence: 99%

Tectonic evolution of the Ganos segment of the North Anatolian Fault (NW Turkey)

Janssen

Bohnhoff

Vapnik

et al. 2009

Journal of Structural Geology

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“…[2] Faults that have large displacements are often modeled as a nested layered structure [Chester and Logan, 1986;Chester et al, 1993Chester et al, , 2004Chester and Chester, 1998]. At the center is a ''core'' comprised of a few centimeters of fine-grained ''cataclasite'' which appears to have accommodated most of the displacement.…”

Section: Introductionmentioning

confidence: 99%

“…[4] The gouge and breccia zones are bordered, in turn, by fractured (but not fragmented) wall rock in which the fracture density (damage) decreases to the regional background level over a distance on the order of 100 meters [Chester and Logan, 1986;Wilson et al, 2003;King and Sammis, 1992]. There is a wide range of variation in this basic structure, particularly in the widths of the constitutive layers and in degree of symmetry about the core [Ben-Zion and Sammis, 2003;Biegel and Sammis, 2004].…”

Section: Introductionmentioning

confidence: 99%

Mechanical origin of power law scaling in fault zone rock

Sammis

King

2007

Geophysical Research Letters

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[1] A nearest neighbor fragmentation model, previously developed to explain observations of power law particle distributions in 3D with mass dimension D 3 % 2.6 (D 2 % 2.6 in 2D section) in low-strain fault gouge and breccia, is extended to the case of large strains to explain recent observations of D 3 % 3.0 (D 2 % 2.0 in 2D section) in the highly strained cores of many exhumed fault zones. At low strains, the elimination of same-sized nearest neighbors has been shown to produce a power law distribution which is characterized by a mass dimension near D 3 % 2.6. With increasing shear strain these isolated same-size neighbors can collide, in which case one of them fractures. The probability of two same size neighbors colliding and fragmenting in a simple shear flow is a function of the size and density of the two particles. Only for a power law distribution with D 3 = 3.0 is this collision probability independent of the size of the particles.

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“…Strike-slip fault zones display two main units: the fault core and the damage zone, which is typical of fault zones (Chester and Logan 1986;Caine et al 1996, Billi et al 2003Faulkner et al 2010). Detailed field mapping across the fault zones within the PermoMesozoic strata shows their variable width, from a few metres to several tens of metres, limited by the size of ANDRZEJ KONON ET AL.…”

Section: Shallow Damage Zones Of Strike-slip Faults In the Area Adjacmentioning

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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Implications for mechanical properties of brittle faults from observations of the Punchbowl fault zone, California

Cited by 639 publications

References 29 publications

Tectonic evolution of the Ganos segment of the North Anatolian Fault (NW Turkey)

Tectonic evolution of the Ganos segment of the North Anatolian Fault (NW Turkey)

Mechanical origin of power law scaling in fault zone rock

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

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