Age spectra of detrital zircon of the Jurassic clastic rocks of the Mino-Tanba AC belt in SW Japan: Constraints to the provenance of the mid-Mesozoic trench in East Asia

Wataru Fujisaki, Yukio Isozaki, Kenshi Maki, Shuhei Sakata, Takafumi Hirata, Shigenori Maruyama

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

U-Pb ages of detrital zircon grains were determined from an upper Middle Jurassic siliceous mudstone and two lower Upper Jurassic sandstones of the Mino-Tanba belt, Southwest Japan, by Laser-ablation ICPMS. The age spectra of detrital zircon grains of the three analyzed samples show multiple age clusters: 175-198. Ma (Early Jurassic), 202-284. Ma (Permian to Triassic), 336-431. Ma (Silurian to Carboniferous), and 1691-2657. Ma (Neoarchean to Paleoproterozoic). As per the Precambrian grains, the prominent peak exists around 1800-2000. Ma in all analyzed samples. The age clusters of 175-198. Ma, 202-284. Ma, and 336-431. Ma suggest that pre-Middle Jurassic Japan has exposed older granitic batholiths. The corresponding batholiths occur in the Cathaysian part of South China block. In contrast, the absence of them in modern Japan suggests that these batholiths were totally consumed by post-Jurassic tectonic erosion. The Neoarchean to Paleoproterozoic detrital zircon grains were derived from South China, North China, or possibly both of them; nonetheless, the circumstantial geologic lines of evidence point to South China, in particular to Cathaysia, rather than North China.

Original languageEnglish
Pages (from-to)62-73
Number of pages12
JournalJournal of Asian Earth Sciences
Volume88
DOIs
Publication statusPublished - Jul 1 2014
Externally publishedYes

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clastic rock
provenance
trench
zircon
Jurassic
ablation
Silurian
mudstone
Precambrian
Permian
Triassic
laser
Asia
sandstone
erosion
tectonics

Keywords

  • Accretionary complex
  • Cathaysia
  • Detrital zircon
  • Jurassic
  • Provenance
  • U-Pb age

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geology

Cite this

Age spectra of detrital zircon of the Jurassic clastic rocks of the Mino-Tanba AC belt in SW Japan : Constraints to the provenance of the mid-Mesozoic trench in East Asia. / Fujisaki, Wataru; Isozaki, Yukio; Maki, Kenshi; Sakata, Shuhei; Hirata, Takafumi; Maruyama, Shigenori.

In: Journal of Asian Earth Sciences, Vol. 88, 01.07.2014, p. 62-73.

Research output: Contribution to journalArticle

Fujisaki, Wataru ; Isozaki, Yukio ; Maki, Kenshi ; Sakata, Shuhei ; Hirata, Takafumi ; Maruyama, Shigenori. / Age spectra of detrital zircon of the Jurassic clastic rocks of the Mino-Tanba AC belt in SW Japan : Constraints to the provenance of the mid-Mesozoic trench in East Asia. In: Journal of Asian Earth Sciences. 2014 ; Vol. 88. pp. 62-73.
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