PSEUDO 3-D MODELING OF TRISHEAR FAULT-PROPAGATION FOLDING
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dc.contributor.author | Cristallini E.O. | |
dc.contributor.author | Allmendinger R.W. | |
dc.date.accessioned | 2021-03-28T04:39:17Z | |
dc.date.available | 2021-03-28T04:39:17Z | |
dc.date.issued | 2001 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=818458 | |
dc.identifier.citation | Journal of Structural Geology, 2001, 23, 12, 1883-1899 | |
dc.identifier.issn | 0191-8141 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/27130 | |
dc.description.abstract | Basement structures, to which trishear fault-propagation models have most successfully been applied, are commonly three-dimensional folds formed at the tip-line of a fault. We present here a 'pseudo-3D' trishear model in which various parameters are permitted to vary along strike and oblique-slip can be modeled. These variations may be combined in an infinite number of ways, facilitating the simulation of many real structures. A thrust changing from blind to emergent can be produced by a change in the slip or propagation-to-slip (P/S) along strike. Folds with forelimbs changing from overturned to upright along strike can be modeled either by changing the slip, P/S or trishear angle. Also some minor folds perpendicular or oblique to the main structure can result from changes in the trishear angle or fault angle along the strike. Models including growth strata show that it is practically impossible to distinguish between growth and pre-growth strata using the map patterns. As a field test, we have modeled the oblique slip East Kaibab monocline, demonstrating a good fit between the field observations and model predictions. | |
dc.subject | TRISHEAR FAULT-PROPAGATION FOLDING | |
dc.subject | BASEMENT STRUCTURES | |
dc.subject | EAST KAIBAB MONOCLINE | |
dc.subject | 3D ANALYSIS | |
dc.subject | GROWTH STRATA | |
dc.title | PSEUDO 3-D MODELING OF TRISHEAR FAULT-PROPAGATION FOLDING | |
dc.type | Статья |
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