38 



Mr. N. J. Winch on the Geology of 



strata sunk through in Percy Main Engine Pit. 1800. 

 Northumberland. 





Fs. 



Ft. In. 





Fs. 



Ft. In. 



Blue Stony clay 



13 



— 6 



Brought forward 67 



4 4 



Sand 



— 



2 1 



Whin 



— 



1 6 



Blue Stony clay 



11 



2 1 



Grey metal with Whin girdles 



1 



— 8 



Dry ditto 



— 



5 6 



Post girdles 



1 



2 6 



Leafy ditto 



— 



2 6 



Grey Metal stone 



. — 



3 9 



Sand with a small feeder of water 



— 



1 8 



Black metal mixed with Coai 





1 3 



Sand and clay- 



— 



2 3 



Grey metal 



, ■ — 



1 6 



Strong clay 



— 



2 4 



Skamy white post 



1 



2 G 



Gravel . . 



— 



1 — 



Grey metal with girdles 



. — 



5 — 



Sand with water 



— 



1 11 



Black stone 



. — 



— 8 



Leafy clay . . . 



1 



3 6 



Grey metal with girdles 



. 2 



3 10 



Sand with much water 



— 



4 1 



Coal 



— 



1 — 



Gravel 



— 



3 10 



Thill 



— 



1 1 



Brown skamy post* 



1 



2 2 



Greyish post 



1 



2 9 



Very soft grey metal 



— 



2 — 



White metal 



— 



4 — 



Blue metal 



— 



5 — 



White post 



\ 7 



4 — 



Lightish grey post 



1 



2 — 



Black stone 



— 



1 9 



Very hard black stone 



— 



3 6 



Grey metal with girdles 



— 



— 10 



Soft dark grey metal 



— 



1 — 



Coal (A) . 



)- 



— 2 



White Metal parting 



— 



1 1 



Grey metal . 



[~ 



2 — 



Grey Metal girdles 



5 







Coal 



)- 



1 2 



Reddish post with partings . 



4 



3 — 



Grey metal with girdles 



1 



2 6 



Lightish grey post 



5 







Grey Metal stone 



1 



— 6 



Reddish post with partings 



— 



1 — 



White post 



10 



4 6 



Whitish post 



— 



3 — 



Black stone . 



— 



1 C 



Soft red metal with partings 



— 



3 — 



Skamy post 



1 







Very course bluish post . 



4 



1 6 



Whin 



— 



1 4 



Brownish Metal mixed with post 



1 



2 — 



Skamy post 



— 



3 8 



Blue Metal mixed with post) 

 girdles . . .) 



1 



1 — 



Blue stone with girdles 



1 



5 — 



Dark blue metal 



1 



2 — 



Grey ditto ditto 



3 







Black stone 



1 



3 6 



Grey Metal stone 



2 



2 10 



Coal 



— 



— 6 



Coal ) \ 





— 6 



Grey Metal stone 



— 



3 — 



Grey metal > Dark grey metal « 







2 — 



Grey skamy post 



— 



4 — 



Coal ) i 



1 



1 — 



Main post . . 



9 



— 8 



Whin girdle 



' — 



— 6 



Coal} 



c- 



3-X 



Dark grey metal with girdles . 



1 



5 — 



Band S- Main Coal (B) 



}- 



— 2 



Dark blue metal 



1 



1 — 



Coal) 



(- 



2 10| 



Grey metal 



— 



5 — 



















Total Depth 



119 



1 — 









Carried forward 



67 



4 4 



• Stone 



Head. 







