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以盆地内六处二氧化碳气田为例，阐述了它们形成的地质条件及成因类型的地化指标。松辽盆地侏罗纪末的强烈构造运动导致了深断裂活动和火山岩浆喷发，喷发时形成的二氧化碳气是该盆地无机成因二氧化碳气的主要来源，基底深断裂发育与晚侏罗纪火山岩建造的形成与分布相配置的地区是深源无机成因二氧化碳气分布的有利地区。
Taking the six carbon dioxide gas fields in the basin as an example, the geological indicators of geologic conditions and types of their formation are expounded. The intense tectonic movement at the end of the Jurassic in the Songliao Basin led to deep-fault activities and volcanic eruptions. The carbon dioxide gas formed during the eruption was the main source of inorganic carbon dioxide gas in the basin. The deep-ruptured basalts and the Late Jurassic volcanic rocks The formation and distribution of the region is the distribution of deep source of inorganic carbon dioxide gas distribution of favorable areas.