62 



RANIGANJ COAL FIELD. 



[Chap. IV. § 2. 



Brought forward ...1,881 



21. Coal seen near experimental shaft No. 17, thickness seen on 



outcrop 



22. Under-bed arenaceous 



23. Sandstone alternating with gray argillo-arenaceous shale 



24. Gray and black argillaceous shale ... 



25. Gray and brown arenaceous shale, occasionally stained red 



26. Sandstone, quartzose and hard 



27. Black siliceous rock, with conchoidal fracture, and containing 



flakes of vegetable charcoal 



28. Black bituminous shale 



29. Black siliceous rock, with conchoidal fracture, and containing 



flakes of vegetable charcoal, and exceedingly hard ... ..: 



30. Coal inferior in quality ... ... ... 3 



31. Black bituminous shale ... ... ... 16 



32. Coal, superior, found in experimental shaft No. 16 ... 2 2 



33. Under-bed 



34. Sandstone 



35. Gray argillaceous shale 



36. Hard sandstone 



37. Argillo-arenaceous shale 



38. Hard rock, fine grain 



39. Argillo-arenaceous shale 



40. Hard rock, fine grain 



41. Argillo-arenaceous shale of a dark-gray color, and a band of rock 



42. Hard sandstone, micaceous, and fine-grained 



43. Coal seen near shaft No. 15, thickness not ascertained beyond 



three feet on the out- crop 



44. Under-bed 



45. Sandstone and argillo-arenaceous shale 



46. Brown sandstone 



47. Arenaceous shale, micaceous 



48. Thin-bedded sandstone 



49. Superior coal 



50. Carbonaceous shale 



51. Superior coal 



52. Gray arenaceous under-bed, with fibre-like impressions of jflants 



53. Brown conglomerate 



54. Superior coal found in experimental shaft No. 13 



55. Gray arenaceous under-bed, containing large concretions of 



arenaceous iron-mine 



6 







4 







60 







20 







24 







20 







17 







5 







26 



6 8 



6 



70 



6 



4 



3 

 5 



40 



20 



18 



9 



7 



10 



4 



2 



9 



9 



4 



Carried over 



.2,293 2 



