C-2: Fluid-rock reactions and nano- to microstructural evolution during metamorphism and alteration.

[PC2-05] High-temperature brecciation and failure of impermeable layer: A lesson from porphyry as an insight for supercritical geothermal system

*Geri Agroli¹, Bayarbold Manzhir^1,2, Otgonbayar Dandar^1,2, Atsushi Okamoto¹, Masaoki Uno¹, Noriyoshi Tsuchiya¹ (1. Graduated School of Environmental Studies, Tohoku University (Japan), 2. Geoscience Center, Mongolian University of Science and Technology (Mongolia))

Keywords:Erdenet, High-temperature breccia, Impermeable layer, Porphyry , Supercritical geothermal