476 J. pRESTwicH, Esq., on the 



No. Yds. Ft. In. 



3. Chance coal Common coal 9 



4. White tough Blackish grey plastic clay - 2 



5. Ash ball rock Mixture of small fragments of greenish grey clay, reddish cheit, and 



white quartz 6 



6. Rocky marl Reddish brown dry shivery clay 6 



7. Gritty rock White, very fine or compact sandstone 2 



8. Rocky marl Similar to No. 5, but of much minuter parts, and mixed with some 



of the red clay of No. 6 4 10 



9. Gritty rock Fine grey sandstone containing mica 12 



10. Rocky marl Reddish brown clay and whitish clay mixed nearly the same as No. G. 3 



11. Gritty rock Whitish sandstone 1 1 



12. Ash ball measure Similar to No. 8, but without the red clay 28 



13. White rock Very fine white sandstone 10 



14. Rockymarl Similar to No. 8 3 2 



15. Rock..... Very fine sandstone, like No. 7 2 



16. Tough soft clay Blackish grey plastic clay 16 



17. Hardrock Grey, very fine or compact sandstone, containing minute particles 



of mica 1 1 



18. Top Penney measure Beds and nodules of ironstone in blackish grey dry clay 2 2 



19. Black slums Greyish black slippery dry clay 16 



20. Fungous coal rock Coarse, whitish sandstone 12 



21. Fungous coal Excellent coal 1 



22. Fungous coal poundstone.. Greyish black dry clay 1 1 



23. Foot coal .' Not got 10 



24. Black stone Blackish ironstone in nodules, in a greyish black dry clay 1 1 



25. Stone coal Good coal 110 



26. Tough poundstone Black slippery dry clay 10 



27. Gur coal Not got 2 



28. White clunch Blackish grey dry clay : 1 ] o 



29. Greyrock Light grey fine sandstone 110 



.')0. Brick measure ... Alternating strata of grey ironstone and dry clay 5 1 



31. Bind bass Black dry clay 2 



32. Bind Brownish grey, very fine, argillaceous sandstone 2 10 



33. Ballstone Grey nodular ironstone in dry clay. The nodules contain vegetable 



impressions 3 



34. Dun earth i Ironstone nodules in a grey dry clay 2 



35. Top coal bass Black indurated schistose clay (schiefer Thon.) 4 



36. Top coal One of the best coals in Shropshire ] 2 



37. Top coal poundstone Greyish black dry slippery clay 10 



38. Slums Black slippery dry clay 110 



39. Three-quarter coal Never got 2 



40. Double coal rock Very fine whitish sandstone 2 



41. Double coal Good coal, much used 2 



42. Double coal poundstone ...Greyish black dry clay 16 



43. Yellowstone Ironstone in short thick masses in a shivery blackish grey dry clay. 



It contains in its cavities blende and "terra ponderosa vitriol " 2 



44. Yard coal Sometimes got 10 



45. Yard coal poundstone Black dry clay resembling bass 9 



46. Quoice neck Greyish black dry clay with very shining surfaces 9 



47. Blue flat Strata of brownish grey ironstone in dry clay, in the upper part 



nodular 2 



48. Pitcher basses Black bass or indurated schistose clay (schiefer Thon.) like No. 36. 12 



49. White flat Beds of ironstone in a black grey shivery dry clay 110 



50. Flint coal rock Fine whitish sandstone, with some mica 3 ] o 



51. Flint coal roof Blackish grey dry clay 4 ] o 



52. Flint coal Good burning coal ; at Madeley Wood it is charged with salt water 12 



53. Flint Fine grained whitish sandstone, used for building 7 



54. Penney measure Blackish grey dry clay, containing iron nodules ; in the upper part 



of this stratum, close under the flint, the coal is found 8 



55. Sulphur coal Coal, containing a great quantity of pyrites, which are used for vi- 



triol; being cheap it is chiefly consumed in burning brick, 



lime, &c 12 



56. Sulphur coal bass Greyish black dry clay 16 



57. Upper clunch coal Good coal, but being thin is not got except when the coal above is 



worked open 10 



58. Upper clunch Light grey shivery clay, much used for fire bricks 10 



59. Clunch coal Never got 2 



60. Lower clunch Grey dry clay used for fire bricks , 2 



