316 



Mines of No. Namn of the Strata. 



Coal. Brought forward, 



V-y "^ ' 9 - Grey sandstone . . 



20. Coal ... 



21. Hard grey sandstone . . 



22. Grey slatey sandstone . 



23. Dark slate-clay . . . 



24. Coal ... 



25. Grey sandstone 



26. Hard white sandstone . . 



27. Dark ilatey sandstone 

 2ft Coal . . 



29. Grey sandstone . . 



30. Slatey sandstone . 



31. Slate-clay . 



32. Slatey sandstone 



S3. Slate clay . 



34. Sandstone 



35 Slate clay . 



36. Slate-clay, with bands of hard sandstone 



37. Hard white sandstone . 



38. Brown sandstone 



39. Slate-clay, with bands of grey sandstone 



40. Coal ... 



41. Slate-clay . 



42. White sandstone . 



43. Coal 



44. Hard slatey sandstone 



45. Hard white sandstone 



46. Slate-clay 



47. Slatey sandstone 



48. Slate-clay, with bands of sandstone . 



49. Coal ... 



50. Slate-clay . 



51. White sandstone 



52. Hard white sandstone 

 *3. White sandstone 



54. Slate-clay, with thin bands of coal 

 45. Grey slatey sandstone 



56. Hard white sandstone 



57. Coal 



58. Dark grey sandstone 



59. Grey slatey sandstone : 



60. White sandstone . 



61. Coal . 



62. Slate-clay 



63. Coal 



64. Slate-clay . 



65. White sandstone . ' 



66. Grey sandstone . 



67. Grey slatey sandstone 



68. Coal 



170 



The preceding section contains sixteen beds of coal, 

 of various thickness, amounting to thirty feet two 

 inches, many of which are unworkable. The quality is 

 of the rich caking kind, such as the Newcastle coals in 

 general are ; they are soft in their texture, break into 

 very small pieces, and abound much with inflammable 



Names of the Strata- 

 Brought forward, 



Coal 



F.umumous stont . . 



Coal . . . 



6. Uituminous stone 



Coal 



Bituminous stone . 



9. Coal, with thin bands of stone . 

 0. Fire-clay . . 



11. Slate-clay 



12. Bituminous shale 



13. Fire-clay, with iionstone . 



14. Coal . . . . 



15. Fire-clay 



16. Slate-clay . . 



17. Sandstone . . 



18. (oal . 



19. Sandstone 

 Hard sandstone 



21. Slate-clay 



22. Slate-clay, with ironstone . 



23. Black indurated clay 



24. Slate-clay, with ironstone 

 24. Coal 



26. Fire-clay 



27. Indurated clay . . 



28. Grey sandstone 



29. Slatey sandstone 

 White sandstone 

 Coal 



32. Bituminous stone 



Coal 



Bituminous stone . 



Coal 

 36. Fire clay 



Coal ... 



38. Slate clay, with ironstone 



39. Indurated clay 



40. Slate clay, with ironstone . 



41. Slate clay 



42. Indurated clay, with ironstone 



43. Indurated clay 

 Coal 



45. Bituminous stone . . 



Coal 

 47. Indurated clay, or fire-clay 



Coal. 



107 



air 



In the sections which have been formerly made of 

 the Newcastle coal-field, the term Whin is applied to 

 many of the strata ; these strata, so named, are how- 

 ever not Whin, but are sandstones of the hardest kind. 

 This misapplication of the name Whin, (or Greenstone) 

 has led mineralogists to wrong conclusions as to the 

 coal formation of that district 



The preceding Section contains 13 beds of coal, of 

 various thickness, amounting to 69 feet 3 inches. The 

 first four coals constitute a thickness of 33 feet ; these 

 are wrought as one bed, under the name of the 10 yard 

 coal ; they are of open burning quality, break into 

 large quadrangular pieces, abound with inflammable 

 air, and are very liable to spontaneous ignition. 



Indurated and fire-clay predominate in the stratifi- 

 cation ; but the precise systematic names are not easily 

 applied from the descriptions received. The names gi- 

 ven to the coal-strata in Staffordshire are very uncom- 

 mon, and altogether local. These provincial terms are 

 so various that they present a great difficulty in com- 

 paring the strata of one district with another. 



SECTION of the Coal Strata in the County of CLACK- 

 MANNAN. 



SECTION of the Coal Strata in the Great Coal-fold of 

 STAFFORDSHIRE. 



No. 



Nams of the Strata; 



Yards. Feet In. 



No. 



1. Alluvial cover 



2. Sandstone 



Names of the Strata. 



Carry forward, 



Yards. 



12 



4 



Feet In. 

 1 2 

 1 



16 



1. Soil 



2. lied sandstone 



3. Slate clay 



4. Argillaceous ironstone . 



5. Slate clay, with grey slatey sandstone 



6. Coal-cntical 



Carry forward, 



1 



22 

 1 

 

 2 

 



29 





 4 

 9 

 3 

 2 

 6 



