| 
      
        |  | Shale | Length | Diameter | Volume | Dry weight | bulk density |  
        |  |  | (cm) | (cm) | (cm3) | (g) | (g) |  
        | Intact | Eagle Ford | 4.6 | 3.4 | 41.81 | 131.1 | 3.14 |  
        | After 3%HCl | Eagle Ford | 2.7 | 3.7 | 29.47 | 68.2 | 2.32 |  
        | Intact | Marcellus | 2.2 | 2.5 | 10.84 | 25.9 | 2.40 |  
        | After 3%HCl | Marcellus | 2.3 | 2.46 | 10.89 | 28.3 | 2.60 |  
        | Intact | Barnett | 2.7 | 2.46 | 12.95 | 26.2 | 2.02 |  
        | After 3% HCl | Barnett | 2.4 | 2.51 | 12.10 | 24.1 | 1.99 |  
        | Intact | Mancos | 3.9 | 2.59 | 20.48 | 51.4 | 2.51 |  
        | After 3%HCl | Mancos | 3.9 | 2.59 | 20.34 | 50.1 | 2.46 |  |