Blueschist to greenschist transformation caused by fluid migration during exhumation of the high-P/T type Kamuikotan metamorphic rocks in northern Japan: A consequence of the Izanagi-Pacific ridge subduction?

Toru Takeshita

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-GL Geology

[S-GL25] Cretaceous-Paleogene Evolution of the Circum-Pacific from Geology and/or Geodynamics

Fri. May 29, 2026 9:00 AM - 10:30 AM Exhibition Hall Special Setting (8) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Wallis Richard Simon(The University of Tokyo), Wu Jonny(University of Arizona), Yamaoka Ken(National Institute of Advanced Industrial Science and Technology), Wang Walter Jordan(University of California, Los Angeles)

9:15 AM - 9:30 AM

[SGL25-02] Blueschist to greenschist transformation caused by fluid migration during exhumation of the high-P/T type Kamuikotan metamorphic rocks in northern Japan: A consequence of the Izanagi-Pacific ridge subduction?

*Toru Takeshita¹ (1. Adviser, Land Infrastructure Division, Pacific Consultants Co., Ltd.)

Keywords:Kamuikotan metamorphic rocks, fluid migration, metamorphic overprint, Izanagi-Pacific ridge subduction

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