Carbon retention and oxygen-isotope overprint during aragonite–calcite transformation in lawsonite-bearing aragonite marble from Ward Creek, Franciscan Complex

Aoka Hoashi

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-MP Mineralogy & Petrology

[S-MP31] Deformation, metamorphism, and tectonics: Exploring the solid Earth dynamics via rocks

Mon. May 25, 2026 1:45 PM - 3:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

Chairperson:Fukushima Ryo(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Nakamura Yoshihiro(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

2:15 PM - 2:30 PM

[SMP31-09] Carbon retention and oxygen-isotope overprint during aragonite–calcite transformation in lawsonite-bearing aragonite marble from Ward Creek, Franciscan Complex

*Aoka Hoashi¹, Tatsuki Tsujimori¹, Hideko Takayanagi¹, Yasufumi Iryu¹ (1. Tohoku University)

Keywords:aragonite, "cold" subduction zone, lawsonite blueschist facies, carbon isotope, oxygen isotope

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