<strong>Rapid Formation of pH-Controlled Double-Layered Spherical Concretions</strong>

Alvin Loran Yamaguchi Praet

Presentation information

[J] Oral

B (Biogeosciences ) » B-BG Biogeosciences & Geosphere-Biosphere Interactions

[B-BG01] Geo-Bio Interactions and its Applications

Thu. May 28, 2026 1:45 PM - 3:15 PM Exhibition Hall Special Setting (5) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Okumura Tomoyo(Marine Core Research Institute, Kochi University), Fukushi Keisuke(Institute of Nature & Environmental Technology, Kanazawa University)

2:00 PM - 2:15 PM

[BBG01-02] Rapid Formation of pH-Controlled Double-Layered Spherical Concretions

*Alvin Loran Yamaguchi Praet¹, Hidekazu Yoshida², Yusuke Muramiya³, Akihiro Kano¹, Taro Kido¹, Yoshihiro Asahara⁴, Koshi Yamamoto², Nagayoshi Katsuta⁵, Ayako Umemura² (1. University of Tokyo, 2. The Nagoya University Museum, 3. Fukada Geological Institute, 4. Nagoya University, 5. Gifu University)

Keywords:Concretion, Early Diagenesis, Carbonate, Stable Isotope, pH