Geology of Coalbrook Dale. 



475 



APPENDIX. 



SECTIONS OF COAL PITS. (A.) 



LIGHTMOOR WIMSEY PIT, 1788. 



(From Plymley's Agricultural Survey of Shropshire.) 

 No. Yds. Ft. In. 



1 . A good loam and mixed soil (gravel 



andsand) 6 



2. Pale blue clunch 16 



3. Dark grey rock, not very strong 5 



4. Sky blue clunch 2 



5. Three sulphur coals, divided by pale 



blue earth, 2 in. between each 1 



6. Strong clod, mingled pale blue and red 16 



7. Brown rock (the sulphur coal rock)... 7 



8. Three sulphur coals, divided by pale 



blue earth, 4 or 5 in. between each . 3 



9. Blue clunch 4 



10. Pale red clunch 4 



11. Rough rock (full of dark brown hard 



pebbles and ironstone) 7 



12. Bind (pale blue clod) 14 



13. Stone clod (ditto) in which lies a bed 



of ironstone called hailstone 5 



14. Black slate 



15. Coal (top coal, exceeding good fuel;... 1 



16. Top coal tough (a dark blue earth and 



a very heaving measure) 



17. Coal, called the foot coal 



18. Slums* (blackslaty earth and a heaving 



measure) 2 



19. Coal (the three-quarters coal) 



20. Rotch (dark grey hard rock) 



21. Coal (the double coal) 1 



22. Dark grey clod, will fire from its own 



nature 2 



23. Coal (yard coal) 1 



24. Blacks (a black slate coal and rock all 



mixed together) 2 



25. Clod (a pale white, in which lies a bed 



of ironstone called the spar iron- 

 stone) 2 



26. Flan (a dark slate) 



27. Coal (upper flint coal) 1 1 



28. Upper flint (a hard grey rock) 7 1 



29. Penney measure (a pale blue clod, in 



which lies a large quantity of small 

 balls of ironstone called the Pennej' 



ironstone) 5 1 



30. Sulphur coals (3 beds, divided by 3 or 



4 in. of dark brown earth) 1 



























1 



6 



1 



6 











1 















2 







































1 







1 







1 







1 















2 







2 































1 6 



9 



No. Yds. Ft. In. 



31. Pale blue clod 2 



32. Coal (the silk coal) 1 2 



33. Clunch of a dark blue 5 1 6 



34. Coal (the silk coal, divided by a few 



inches of grey earth) 16 



35. Clunch of a dark blue, with coal in the 



middle 17 in. thick, (the coal is called 



silk-coal) 3 1 10 



36. Coal (the two-foot coal) 2 



37. Linseed earth (dark brown, a very 



shuttle measure) 12 



38. A black slate 6 



39. Coal (the best coal) 1 6 



40. Black bass or slate 6 



41. Coal (the middle coal) 2 9 



42. Dark brown strong clod 10 6 



43. Coal (the clod coal) 1 10 



44. Clod of a pale blue 1 1 8 



45. Coal (the little flint coal) 2 2 



46. Little flint (a rock of a dark grey min- 



gled with pebbles and ironstone) ... 16 



154 1 4 

 47. Die earth, a pale blue hard clunch 



(Wenlock shale) said to be 100 



TRIAL PIT, CASTLE GREEN. 



1. Surface to great flint 6 16 



2. Great flint rock 6 



3. Penneystone 3 



4. Sulphur coal 



5. Upper clunches, with an ironstone and 



two smut coals 14 



6. Sill coal 



7. Clunch 



8. Vigor coal 10 



9. Ganeyrock 8 



10. Ganey coal 2 3 



11. Linseed earth 1 



12. Best good, not good 1 



13. Middle and clod coal gob (from which 



the coal is removed) 



14. Clunch 1 3 



15. Little flint coal 2 



1 6 



2 3 

 1 6 

 1 8 



36 5 



SECTIONS AT WOOMBRIDGE PITS. By Dr. Townson. 

 See Townson's Tracts, p. 166. 



No. 



1. Top rock Argillaceous yellowish sandstone. 



2. White clay Blackish greyplastic clay 



* For an explanation of the principal local terms, see ante, p. 430. 

 -SECOND SERIES. 3 Q 



Yds. Ft. In. 

 9 

 6 



