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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/27633


    Title: Geometry and Quaternary kinematics of fold-and-thrust units of southwestern Taiwan
    Authors: Lacombe,O;Mouthereau,F;Deffontaines,B;Angelier,J;Chu,HT;Lee,CT
    Contributors: 應用地質研究所
    Keywords: REEFAL LIMESTONES;MULTISOURCE APPROACH;SOUTHERN TAIWAN;COLLISION;BELT;TECTONICS;AREA;DEFORMATION;FOOTHILLS;EVOLUTION
    Date: 1999
    Issue Date: 2010-06-29 18:42:18 (UTC+8)
    Publisher: 中央大學
    Abstract: Structural and paleostress analyses provide new insights into the Quaternary kinematics of the outermost fold-and-thrust units of southwestern Taiwan Foothills. The frontal folds are interpreted as fault-related folds, and their tectonic evolution through space and time is tightly constrained. Fold development is correlated with reef building on top of the anticlines. Moreover, we provide field evidence that NW-SE fault zones oblique to the structural grain of the belt probably acted as transfer fault zones during the the Quaternary fold-thrust emplacement. Two successive Quaternary stress regimes are evidenced in southwestern Taiwan: A NW-SE compression, followed by a recent nearly E-W compression. The latter shows an along-strike change from pure: E-W contraction to the north to perpendicular N-S extension in the south. This southward decrease in N-S confinement probably represents the on-land signature of the incipient Quaternary tectonic escape predicted by analogue and numerical modelling and evidenced at present-day by Global Positioning System data.
    Relation: TECTONICS
    Appears in Collections:[應用地質研究所] 期刊論文

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