Vol. 54.] RAILWAT BETWEEN LINCOLN AND CHESTEEFIELD. 159 



for about 2 miles west of the station ; but there are no sections 

 to indicate the junction with the Lower Keuper Sandstone, which, 

 however, does not appear to run up this valley so far as it is shown 

 on the Geological Survey map. 



Well-section neae Tuxfoed. 



In the triangle between the Lancashire, Derbyshire, and East Coast Eailway, 



the Great Northern Eailway, and the Junction-line connecting these two. 



{Section communicated by Mr. B, Elliott Cooper.) 



Feet. laches. 



1. Eed and blue marl 25 



2. Hard blue stone and gypsum 3 



3. Blue stone and red marl 3 



4. Hard blue rock 5 



5. Blue marl and bard layers 3 6 



6. Hard blue rock 2 



7. Eed-and-blue marl and gypsum 156 6 



8. Fine sandstone 3 



9. Eed sandy marl and gypsum 41 6 



10. Hard sandy rock 9 



1 1 . Red-and-blue marl and gypsum, sandy 26 9 



12. Eed sandy marl 10 



13. Sandy red-and-blue marl and gypsum 8 6 



14. Eed sandy marl 3 



15. Hard sandy rock and thin veins of gypsum 8 9 



16. „ „ „ 3 



17. Sandy red-and-blue marl and gypsum 4 9 



18. Sandstone 6 6 



19. Eed and blue sandy rock 3 



20. Eed sand-rock 8 6 



21. Eed sandy marl.. 15 



22. Fine sandstone 3 



23. Eed sandy marl 10 6 



24. „ ,, and gypsum 1 6 



25. „ „ 5 6 



26. „ „ and gypsum 5 



27. „ „ 5 6 



28. Hard sandy rock 6 



29. Eed sandy marl and gypsum 1 6 



30. Sandy marl and layers of sandstone 2 6 



31. Eed sandy marl 1 6 



32. Eed and blue sandy marl 7 



33. Blue sandy marl 29 



34. Light-coloured sandstone 11 



35. Sand and pebbles 1 6 



36. Light and brown sand 8 6 



37. Eed sandstone 19 6 



38. Eed sand 43 



39. „ and pebbles 153 6 



650 



Water-level 64 feet from surface. The ground has since been lowered 

 6 feet, making the depth of the boring from the present level 644 feet and the 

 water-level 48 feet. 



South of Kirton there is a deep cutting in the sandstone and 

 marls of the Waterstones, which becomes more sandy towards 



