The result indicates that there are obvious differences between CO2 and CH4 gas reservoirs on value of thermal etching carbonate, fluorescence spectrum and CO2 gas content in Huagou area.

• 结果表明,花沟地区的CO2气和CH4气具有不同的地球化学指标组合异常特征,在热蚀碳酸盐、荧光光谱及CO2气含量等指标上有明显的差异。