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。
The reservoir based on magma volcanic conduit also has three phases: before magma effusion, effusion and volcanic conduit bury and reservoir-forming.
坡面水流使坡地土壤厚薄不均，或形成异源剖面，并可使埋藏土壤因冲刷而出露。
Water flow on slope makes the soil depth uneven at different places, forms the polygenetic soil profiles, and exposes the buried soils by erosion.
烃源岩埋藏最大深度的时间。
The time of maximum depth of burial of a hydrocarbon source rock.
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