Northumberland and Durham. 



39 



Section of the Strata at Howden Pit. Percy Main Colliery. 



(Bored from the High Main Coal No. 9.) 



Ft. In. 

 4 8 



Outset 



Surface . .1 



Brown clay . . 1 — — 



Leafy clay . .15 — 



Bluish gravelly soil . 4 — 6 



Brown leafy clay . 12 — 



Sand, gravel and water . — 3 — 



Blue gravelly clay . 6 



Sandandgravpllyclay,withwater 2 — — 



Sand, gravel and water . 3 4 6 



Alluvial . . 22 



Grey metal . . — 



1 Coal . . . — 

 Grey metal . . — 



2 Coal . . . — 

 Thil . . . — 

 Grey metal with post girdles} 

 and water. Alternate beds of > 3 

 Slate clay and Sandstone . } 

 Black stone (Clay stone) . — 

 Blue stone with water . — 

 Grey Thil , . — 

 Grey Metal stone with water 4 

 Skamy grey post with water 5 

 White post with water . 10 

 Grey metal . . — 

 White post . . 1 

 Grey metal . . 1 

 Black stone . 

 Grey Thil . . — 

 Grey metal with Whin girdles 3 

 Blue metal . . — 

 Red metal . . — 

 White post with water . 7 

 Red Metal stone . — 



Grey MetalstonewithWhin girdles 1 



Grey Thil . . — 



Black stone . . — 



Grey metal with Whin girdles 1 



Blue stone . . — 



3 Coal . . . — 

 Grey metal . . — 



4 Coal . . . — 

 Grey Thil . . 1 

 Grey metal with post girdles 5 

 Blue stone . . 1 

 Grey Metal stone with Whin 



girdles 



1 8 



3 — 



— 2 



— 2 



— 11 



4 — 



- 4 — 

 -36 

 -56 



4 5 6 



5 2 — 

 0—4 



- 4 — 

 1 1 — 

 1 3 — 



- 5 — 

 3 1 — 



_ 2 — 



- 5 — 



7 5 — 



- 5 — 



4 6 



1 6 



2 6 

 4 — 



— 6 



1 6 



1 — 



3 6 



: »-- 



Carried forward 80 5 6 



Brought forward 

 Blue Metal stone with Whin | 

 girdles 



3 — 



Grcv Metal stone with Whin | 



girdles 

 Whin stone 

 Grey Metal stone with post) 



girdles . .$ 



Grey metal 



5 Coal 

 Thil 

 Grey Metal stone with Whin 



girdles 

 Grey Metal stone 

 Post and Whin girdles 

 Grey Metal stone 

 Blue stone 



6 Coal . . . — 12 

 Grey Metal stone . 14 — 

 White post . .83 — 

 Grey Metal stone 



7 Coal 

 Grey metal . .12 

 Blue stone . . — 4 

 Grey Metal stone . 1 4 

 White post . .91 

 Grey Metal stone with post 



clyers 

 White post with water 

 Black stone 

 Blue stone 

 Grey post . 



Blue stone . . - - 3 — 



Grey Metal stone . — 4 — 



Black stone . . — 2 6 



Post with Grey Metal girdles 1 — 2 

 Dark blue Metal stone . 2 3 — 



8 Coal . . . 4 



Grey Thil 

 Grey post 

 Main post . . 10 



9 Coal, High main . 1 

 Thil, Foul coal, Grey metal, £ _ 



and Coal 

 Blue stone with girdles 

 Grey metal 

 Grey post 



Grey metal with girdles 

 10 Coal 



-- 



Fathoms 145 



