The reservoir based on magma volcanic conduit also has three phases: before magma effusion, effusion and volcanic conduit bury and reservoir-forming.

岩浆火山通道为主要气源体气藏的形成分成岩浆喷发前、岩浆喷发、火山通道埋藏与成藏三个阶段。

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The CO_2 migration in magma intrusion is consisted of fusing and crystallizing phases; it in volcanic conduit is consisted of near-surface effusion and crystallizing phases.

岩浆侵入体co_2气运移分为熔融运移阶段和结晶运移阶段，火山通道中CO_2气运移分成近地表喷发阶段和结晶运移阶段。

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