T7[Topic] From magma source and magma plumbing system to volcano formation and hydrothermal alteration

[T7-P-24] Two types of magma compositions identified in dolerite sills of the Shimokawa ophiolite in the northern Hidaka belt, Hokkaido

*Satomi KATO¹, Hayato Ueda², Sumio Miyashita³ (1. Samani town office, 2. Niigata Univ., 3. Non-Profit Organization Hokkaido Research Center of Geology)

Keywords:

assimilation,dolerite,vesicle,Hokkaido,Paleogene