GEOLOGY OF PART OF SOUTH DURHAM. 171 



Ft. In. 



81.— Grey "whin" 2 4 



82. — White sandstone, scared with shale 8 



83. — Hard white sandstone girdles 1 7 



84. — White sandstone, scared with shale 5 



85. — "Whin," with blue shale partings 2 11 



86. — White sandstone, mixed with " whin" 23 I 



87.— Dark shale 1 3 



88. — Blue shale, with bands of ironstone, and scared with 



coal 7 



603 5 



Another bore put down a little to the N.W. of the last shows 

 the position of the Victoria and Marshall Green coals with more 

 or less exactness. We are enabled to give it through the kind- 

 ness of William Lishman, Esq., Etherley. 



BORING MADE IN THE BEECHBURN ROYALTY, NEAR THE 



RIVER WEAR. 



Feet. In. 



1.— Soil 3 



2.— Gravel 4 



3. — Sand and clay 5 6 



4. — Sandstone 1 



5. -Shale 14 6 



6.— COAL : BROCKWELL SEAM 4 9 



7.— Shale 6 



8. — Sandstone 1 



9.— Shale 1 9 



1 0. — Sandstone 17 4 



11.— Shale 12 



12. — Sandstone 2 



13.— Shale 2 



14. — Sandstone 14 



15.— Shale 6 6 



16.— Black shale 1 2 



17.— Grey shale 4 6 



18.— COAL: VICTORIA SEAM 2 



19. — Fireclay 2 6 



20. — Sandstone 22 4 



21.— Dark shale 3 6 



22. — Grey shale 8 



23.— Sandstone 18 



