Mountain-building in Taiwan and the critical wedge model

Chi Yuen Wang, Adam Ellwood, Francis Wu, Ruey Juin Rau, Homg Yuan Yen

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

5 Scopus citations


Recently accumulated geophysical data for Taiwan have provided an opportunity to examine the deep structure and the construction of an active fold-and-thrust mountain belt. Analyses of gravity anomalies and seismic tomography show the occurrence of high-density and high-velocity rocks beneath the Central Ranges extending from near the surface to depths of 40-70 km. Together with surface geology, fission-track data and radiometric data, the results show that large-scaled, autochthonous uplift of basement rocks from depths beneath the Central Ranges may have occurred since the last 1 Ma. These results are in contrast with the model of thin-skinned growth of a critical wedge, that was thought to occur across the entire Taiwan orogen.

Original languageEnglish
Title of host publicationSubduction Top to Bottom, 1996
EditorsGray E. Bebout, David W. Scholl, Stephen H. Kirby, John P. Platt
PublisherBlackwell Publishing Ltd
Number of pages7
ISBN (Electronic)9781118664575
ISBN (Print)9780875900780
StatePublished - 1996

Publication series

NameGeophysical Monograph Series
ISSN (Print)0065-8448
ISSN (Electronic)2328-8779


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