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Table 6 The stable isotope characteristics of CBM in different regions

From: The diversity of hydrogen-producing bacteria and methanogens within an in situ coal seam

Coal no. Location δ13CCH4/‰ δDCH4/‰
C1 Yima   
C2 Liyazhuang − 56.3 to − 61.7  
C3 Shaqu − 42.28 to − 39.78  
C4 Hebi − 57.44 to − 56.64  
C5 Jingcheng − 40 to − 30 − 244 to − 145
C6 Suzhou (shallow) − 63.74  
Suzhou (deep) − 47.27  
C7 Neimeng − 73.2 to − 72.6 − 284 to − 280
C8 Jiaozuo − 33.33 to − 35.79  
C9 Shoushan − 36.13 to − 37.67  
C10 Pingdingshan