40 



Mr. N. J. Winch on the Geology of 



Strata sunk through in the A Pit, 

 Fs 



Clay 



Brown post with water 



Coal ..... 



Blue metal .... 



Strong white post with water . 



Blue Metal stone 



Coal ..... 



White post .... 



Grey post girdles with water . 



Soft blue Metal stone 



Strong white post mixed with whin 



Soft blue Metal stone 



Coal - 



White post girdles . . 1 



Whin . — 



Strong white post ... 2 

 Coal . . . . • — 

 Soft blue Thil . . . — 



Post mixed with whin and water. 2 



Coal — 



Blue stone .... 2 

 Ditto mixed with scares of Coal. . — 

 White post mixed with Whin . 1 

 Blue Metal stone . . 1 



Coal ..... 



Strong white post with water. 



Grey post girdles 



+ -1 



LCOAL [_ 



Strong white post mixed with wl 



Grey girdles . 



Blue and black Metal 



Coal 



Grey Metal stone (I) 



Strong white post (2) 



Ditto with Coal pipes 



Ditto with Whin 



Ditto with Coal pipes 



Grey Metal stone with hard girdles 



Coal (3) (High Main) . 



Blue stone with Whin girdles . 



Strong grey post 



Coal ..... 



Blue stone . . (4) 



Coal ..... 



— 8 

 .5 — 

 3 — 



1 2 



3 — 



3 — 



— 5 

 3 — 

 3 4 

 1 — 



— 7 



3 8 



n 



*-^ Grey 

 ] Coaf 

 j Grey Metal stone 



4 4 



— 8 

 4 — 



2 — 



1 6 



2 — 

 4 G 



— 10 



ij 



3 — 



2 — 



3 — 

 - 6 



Carried forward 104 3 



(*)< 



104 

 5 



Bigge's Main Colliery. (Bored from High Main.) 

 Ft. In. Fs. Ft. In- 



Brought forward 104 3 — 

 Strong post mixed with Whin 

 Coal (5) 

 Blue stone 



Coat. .... 

 Black stone . ... (6) 



Coal . . 

 I Strong grey post 

 | Blue stone with post girdles 

 Coal 



j White post and girdles 

 Ditto with whin and water 

 Blue stone 



I Ditto and Grey girdles 

 j Ditto and Whin girdles 

 i Ditto mild 



Coal .... 

 GreyTl.il 



j Coal .... 

 White Thil 



Coal .... 

 I Blue Thil 



Coal .... 

 Blue stone 



Coal .... 

 Strong grey post 

 Blue stone and Whin girdles 



Coal - 2 



Strong white post mixed with whiu — 2 6 



;Whin — 16 



Grey post and Whiu girdles . 2 3 — 

 Blue stone . . . . — 2 — 



Coal. (Unknown seam) . - - 3 1 



Grey post with Whin girdles 

 Blue stone . . . . - - 5 



Coal f- - 2 



j Blue and grey metal 

 Strong post girdles mixed with 



Whin 

 Coal 



Grey Metal stone 

 Coal 



Grey Metal stone . 

 Coal . 



Grey post mild . . . — 4 — - 



Strong white post . . 4 2 — 



Blue stone , . . . — 3 — 



(7)<; 7 



6 



— 1 8 



— 5 — 



— 4 — 



Carried forward 159 1 4 



* Called on the river Tyne, below Newcastle bridge, the 70 fathom Coal. On the river Wear it it 



•ailed the Three quarter Coal. f Supposed to be the Three quarter Coal seam divided. } Called on 



the Tyne the 70 f.;thom Post. § Called on the Tvne the Black stone. (1 ) Bottom part of Black stone. 



— —(2) The Main Post of the Tyne. (3) High Main Coal of the Tyne. (4) Metal Coal seam of 



the Tyne.- .(.'>) Stone Coal of the Tyne. (fi)Yard Coal of the Tyne, High Main Coal of the Wear 



(7) Supposed to be the Benshaw Seam. (8) Supposed to be the Six quarter seam divided. 



