35° TUCKWELL : LINCOLNSHIRE BOULDER COMMITTEE. 



No. ii. Pink granite. 



12. White granite (several). 



13. Quartz porphyry. 



14. Carboniferous limestone (glaciated). 



15. Lias. 



Louth. — Brickyard on road to Elkington. Boulders and 



pebbles in heaps. 



No. 16. Rhomb porphyry. 



1 7. Fredericksvaarn porphyrite. 



18. Augite syenite. 



19. Halleflinte. 



20. Mica Schist. 



21. Schist 



22. Black flint. 



23. Green-coated flint. 



24. Porphyrite. 



25. Fine-grained white granite. 



26. Quartz porphyry. 



27. Diorite. 



28. Basalt (scratched). 



29. Vesicular lava. 



30. Conglomerate (with pebbles of quartz porphyry). 



31. Millstone grit. 



32. Carboniferous limestone (scratched). 



33. Carboniferous sandstone (gannister). 



34. Ironstone. Liassic? 



35. Septarian nodule. Kimmeridge clay. 



Louth. — Gate of Thorp Hall, close to Louth, on Lincoln 

 Road. 



No. 36. Augite syenite (scratched), 2 ft. x 1 ft. 8 in. x 1 (u 5 in. 

 37. Basalt, 1 ft. 10 in. x 1 ft. x 1 ft. 10 in. 



Louth. — Road-side near the town. 



No. 38. Canister (carboniferous sandstone), 1 ft. 7 in. x 1 ft. 2 in. x 



1 ft 1 in. 



Louth.— Stream-side of Hubbards Valley. 



No. 38. Secondary Sandstone, 4 ft. 1 in. x 2 ft. 7 in. x 1 ft. 9 in. 



Louth.— Ingram's Chalk Pit 



No. 39. Basalt, 2 ft. 6 in. x 2 ft. x 2 ft. 



Louth.— Mr. Cheetham s lawn, Eastgate 



No. 40. Red granite taken from railway cutting, 2 ft. x 1 ft 6 in. x 



i ft. 



Natural 



