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Publication Detail
Testing inferences from palaeocurrents: Application of zircon double-dating to Miocene sediments from the Hengchun Peninsula, Taiwan
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Kirstein LA, Carter A, Chen YG
  • Publication date:
    01/12/2010
  • Pagination:
    483, 493
  • Journal:
    Terra Nova
  • Volume:
    22
  • Issue:
    6
  • Status:
    Published
  • Print ISSN:
    0954-4879
Abstract
Detrital zircon provenance studies that combine low-temperature fission-track and high-temperature U-Pb single-grain age dating are powerful in constraining sediment provenance by documenting the tectonothermal evolution of the sediment source(s). We apply these techniques to Miocene (12-6 Ma) sandstones of the Hengchun Peninsula, southern Taiwan, which, based on diametrically opposite palaeocurrents, have a controversial provenance. U-Pb grain ages range from the Miocene (8 Ma) to Archaean (2.5 Ga). Cretaceous thermal cooling is recorded by detrital zircon fission tracks at Loshui and Lilongshan. Permian fission-track grain ages account for <33% of zircon ages from Loshui, while at Lilongshan, Jurassic/Triassic grain ages account for 33-66% of all zircon fission-track ages. Minor (<12%) Miocene age components are detected in both formations. These new data suggest that the primary sources of these Miocene sediments were similar. A simple model is proposed invoking sediment reworking in this complex tectonic setting.Terra Nova, 00, 000-000, 2010. © 2010 Blackwell Publishing Ltd.
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