期刊
TERRA NOVA
卷 26, 期 2, 页码 139-149出版社
WILEY
DOI: 10.1111/ter.12080
关键词
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资金
- Research Fellowship of the Japan Society for the Promotion of Science (JSPS) for Young Scientists [23-6135]
- JSPS [20224012]
- Grants-in-Aid for Scientific Research [20224012, 21224013, 11J06135, 26106005] Funding Source: KAKEN
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. 1500-2500Ma) 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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