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Theoretical and experimental estimation of geometric relationship of non-parallel conjugate normal faults
China Univ Petr, State Key Lab Petr Resources & Prospecting, Fuxue Rd, Beijing, Peoples R China.;China Univ Petr, Dept Earth Sci, Fuxue Rd, Beijing, Peoples R China..
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Mineralogy Petrology and Tectonics.
2017 (English)In: Tectonophysics, ISSN 0040-1951, E-ISSN 1879-3266, Vol. 703 - 704, 85-97 p.Article in journal (Refereed) Published
Abstract [en]

Intersecting and crossing conjugate normal faults develop at different scales. Equations of geometric parameters of non-parallel conjugate normal faults can be deduced from their trigonometric relations. Physical models can also be used to verify the theoretical calculations and compared with natural examples. In this study, we have used a theoretical approach to outline some key geometric parameters of conjugate normal faults (intersection angles, plunge of intersection line, and vertical and horizontal distances of the intersection point, etc.) and compared them to equivalent geometric values in scaled analogue models. The comparison shows that theoretical plots used for geometric estimation of conjugate normal faults constrain reasonably the geometric parameters in natural cases. Data from the Lufeng Sag of Pearl River Mouth Basin in the northern part of South China Sea, where conjugate non-parallel basement faults propagate and intersect in cover units are compatible with the theoretical geometric estimation. (C) 2017 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 703 - 704, 85-97 p.
Keyword [en]
Conjugate normal faults, Basement, Geometric parameters, Physical modelling, Pearl River Mouth Basin, South China Sea
National Category
Geochemistry Geophysics
Identifiers
URN: urn:nbn:se:uu:diva-323652DOI: 10.1016/j.tecto.2017.03.009ISI: 000400218400007OAI: oai:DiVA.org:uu-323652DiVA: diva2:1115100
Available from: 2017-06-26 Created: 2017-06-26 Last updated: 2017-06-26Bibliographically approved

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CiteExportLink to record
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Citation style
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