Backlimb trishear: A kinematic model for curved folds developed over angular fault bends
Numerous analog models and some natural examples display smoothly curving backlimb fold hinges over sharp, angular bends in the underlying thrust surface. We present a new kinematic model that can reproduce this geometry by triangular zone focused on the fault bend. The model presupposes incompressi...
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2002
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| LEADER | 06308caa a22007217a 4500 | ||
|---|---|---|---|
| 001 | PAPER-5465 | ||
| 003 | AR-BaUEN | ||
| 005 | 20250211091443.0 | ||
| 008 | 190411s2002 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0036134477 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Cristallini, Ernesto Osvaldo | |
| 245 | 1 | 0 | |a Backlimb trishear: A kinematic model for curved folds developed over angular fault bends |
| 260 | |c 2002 | ||
| 270 | 1 | 0 | |m Cristallini, E.O.; Departamento Ciencias Geologicas, Ciudad de Buenos Aires, Argentina; email: ernesto@gl.fcen.uba.ar |
| 504 | |a Berger, P., Johnson, A.M., First-order analysis of deformation of a thrust sheet moving over a ramp (1983) Tectonophysics, 70, pp. T9-T24 | ||
| 504 | |a Chester, J.S., Logan, J.M., Spang, J.H., Influence of layering and boundary conditions on fault-bend and fault-propagation folding (1991) Geological Society of America Bulletin, 103, pp. 1059-1072 | ||
| 504 | |a Erslev, E.A., Trishear fault-propagation folding (1991) Geology, 19, pp. 617-620 | ||
| 504 | |a Hardy, S., A method for quantifying the kinematics of fault-bend folding (1995) Journal of Structural Geology, 17, pp. 1785-1788 | ||
| 504 | |a Johnson, A.M., Berger, P., Kinematics of fault-bend folding (1989) Engineering Geology, 27, pp. 181-200 | ||
| 504 | |a Mase, G.E., Mase, G.T., (1992) Continuum Mechanics for Engineers, , CRC Press, Boca Raton | ||
| 504 | |a Morse, J., Deformation in ramp regions of overthrust faults: Experiments with small-scale rock model (1977) Joint Wyoming-Montana-Utah Geological Association Guidebook, pp. 457-470. , Rocky Mountain Thrust Belt Geology and Resources, 29th Annual Field Conference, Wyoming Geological Association | ||
| 504 | |a Ormand, C.J., Hudleston, P.J., Analog models of fault-bend folding: The effects of oblique ramping and tear faulting on hanging wall strcutures (1999) Geological Society of America, , Annual Meeting, 1999. Abstract 51868 | ||
| 504 | |a Serra, S., Styles of deformation in the ramp region of overthrust faults (1977) Joint Wyoming-Montana-Utah Geological Associations Guidebook, pp. 487-498. , Rocky Mountain Thrust Belt Geology and Resources. 29th Annual Field Conference, Wyoming Geological Asociation | ||
| 504 | |a Suppe, J., Geometry and Kinematics of fault-bend folding (1983) American Journal of Science, 283, pp. 684-721 | ||
| 504 | |a Suppe, J., Mendwedeff, D., Geometry and kinematics of fault-propagation folding (1990) Eclogae Geol. Helv, 83, pp. 409-454 | ||
| 504 | |a White, N.J., Jackson, J.A., McLemzoe, D.P., The relationship between the geometry of normal faults and that of the sedimentary layers in their hanging walls (1986) Journal of Structural Geology, 8, pp. 897-909 | ||
| 504 | |a Zehnder, A.T., Allmendinger, R.W., Velocity field for the trishear model (2000) Journal of Structural Geology, 22, pp. 1009-1014 | ||
| 506 | |2 openaire |e Política editorial | ||
| 520 | 3 | |a Numerous analog models and some natural examples display smoothly curving backlimb fold hinges over sharp, angular bends in the underlying thrust surface. We present a new kinematic model that can reproduce this geometry by triangular zone focused on the fault bend. The model presupposes incompressible flow in the triangular zone and makes common assumptions about velocities on either side of the fault bend. Either symmetric or asymmetric triangular zones can be defined, with parallel kink folding and similar folding being special cases of the two, respectively, where the apical angle of the triangular zone is zero. The results of the numerical model compare well to analog experiments. The model is conceptually analogous to forelimb at the tip of a propagating fault and hence we refer to it as 'backlimb trishear'. © 2001 Published by Elsevier Science Ltd. |l eng | |
| 536 | |a Detalles de la financiación: American Chemical Society | ||
| 536 | |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica, BID 802/OC-AR-PICT 00538 | ||
| 536 | |a Detalles de la financiación: American Chemical Society Petroleum Research Fund | ||
| 536 | |a Detalles de la financiación: National Science Foundation, EAR-9814348 | ||
| 536 | |a Detalles de la financiación: We thank Judith Chester and Stuart Hardy for reviews of this manuscript. Supported by a grant to Cristallini from the Agencia Nacional de Promoción CientÍfica y Tecnológica (proyecto BID 802/OC-AR-PICT 00538) and NSF grant EAR-9814348 to Allmendinger. Acknowledgment is also made to the donors of The Petroleum Research Fund, administered by the ACS, for partial support of this research. | ||
| 593 | |a Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, NY 14853, United States | ||
| 593 | |a CONICET - Departamento De Ciencias Geológicas, Universidad De Buenos Aires, Argentina | ||
| 593 | |a Departamento De Ciencias Geológicas Ciudad Universitaria, Pabellon II, (C1428EHA), Ciudad de Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a ANGULAR FAULT BENDS |
| 690 | 1 | 0 | |a BACKLIMB TRISHEAR |
| 690 | 1 | 0 | |a GROWTH STRATA |
| 690 | 1 | 0 | |a KINEMATIC MODEL |
| 690 | 1 | 0 | |a TRIANGULAR ZONES |
| 690 | 1 | 0 | |a GEOMETRY |
| 690 | 1 | 0 | |a INCOMPRESSIBLE FLOW |
| 690 | 1 | 0 | |a NUMERICAL METHODS |
| 690 | 1 | 0 | |a VELOCITY |
| 690 | 1 | 0 | |a KINEMATICS |
| 690 | 1 | 0 | |a DEFORMATION |
| 690 | 1 | 0 | |a FAULTING |
| 690 | 1 | 0 | |a FOLDING |
| 690 | 1 | 0 | |a KINEMATICS |
| 690 | 1 | 0 | |a MODELING |
| 690 | 1 | 0 | |a SHEAR |
| 700 | 1 | |a Allmendinger, R.W. | |
| 773 | 0 | |d 2002 |g v. 24 |h pp. 289-295 |k n. 2 |p J. Struct. Geol. |x 01918141 |w (AR-BaUEN)CENRE-335 |t Journal of Structural Geology | |
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| 856 | 4 | 0 | |u https://doi.org/10.1016/S0191-8141(01)00063-3 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_01918141_v24_n2_p289_Cristallini |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01918141_v24_n2_p289_Cristallini |y Registro en la Biblioteca Digital |
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| 999 | |c 66418 | ||