According to the Raman spectrograms, fuscous open inclusions can be divided into three types: bituminiferous inclusion, carbonaceous bitumen inclusions and bitumen inclusions.

• 对储集砂岩中的深色沥青质包裹体拉曼分析并据其拉曼光谱图特征将这类包裹体分为三种类型：含碳质沥青包裹体、碳质沥青包裹体和沥青包裹体。