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Provenance diversification within an arc‐trench system induced by batholith development: the Cretaceous Japan case
Author(s) -
Aoki Kazumasa,
Isozaki Yukio,
Kofukuda Daisuke,
Sato Tomohiko,
Yamamoto Atsushi,
Maki Kenshi,
Sakata Shuhei,
Hirata Takafumi
Publication year - 2014
Publication title -
terra nova
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.353
H-Index - 89
eISSN - 1365-3121
pISSN - 0954-4879
DOI - 10.1111/ter.12080
Subject(s) - geology , batholith , terrigenous sediment , provenance , cretaceous , back arc basin , proterozoic , clastic rock , paleontology , sedimentary basin , island arc , sedimentary rock , arc (geometry) , geochemistry , tectonics , subduction , geometry , mathematics
By comparing detrital zircon U–Pb age spectra of coeval fore‐arc and back‐/intra‐arc basin sandstones, we identified the overall distributary pattern of terrigenous clastic material within the Cretaceous arc system of SW Japan. Abundant Proterozoic ( c . 1500–2500 Ma) detrital grains from the interior of East Asia are present in the Cretaceous intra‐arc basin. However, after a barrier mountain range formed during batholith emplacement, Proterozoic clastics were rarely transported into the fore‐arc domain. Episodic batholith formation in Pacific‐type orogens likely played a major role in controlling terrigenous supply routes between coeval back‐arc and fore‐arc domains. The Cretaceous orogen in Japan thus provides a good template for analysing the tectono‐sedimentary development of other arc‐related basins.
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