The study shows that the volcanic reservoir rocks compose mainly of acidic rocks and volcanoclastic rocks, with pore types of secondary pores and fissures, vesicular and microfissure reservoir spaces.

• 区内火山岩储集层主要为酸性岩类及火山碎屑岩，孔隙类型为次生孔缝，储集空间为气孔、微裂缝。