48 



Mr. N. J. Winch on the Geology of 



Seams of Coal at Thornley or Garesfield Colliery, two miles South 

 of Axwell. 



Ft. In. Fath. Ft. In. 



The Stone and Five-quarter Coal seams Stone Coal 3 l~\ 



Fire clay . 1 6 >at 30§ fath. 1 2 1 



Five-quarter Coal 3 6 J 



Brockwell seam . . . . . . at 39 fath. — 3 4 



Towards the east the Fire clay between the Stone Coal and Five-quarter Coal becomes 

 so thick as not to be workable, and the Coal forms two distinct seams. The Coal is ex- 

 tremely tender and unfit for the London market. 



Strata in Landchester Common. 



Fath 



Soil and clay . . 1 



Brown post . .1 



Grey metal stone . . 3 



Coal . . . — 



Grey metal stone . . 2 



Coal A. . . — 



Grey metal stone mixed . 8 



Coal . . . — 

 Grey metal stone mixed with Coal — 



Grey metal stone . . 2 



Grey post . . .1 



Grey metal stone, top thereof > . 



mixed with girdles . ) 

 White post. Shield row post 1 1 „ 



(the Main post) . . J 



Shield Row Coac B. . — 

 Whitish grey metal stone with > g 



post girdles . . $ 



Grey post . , .2 



Grey metal stone . . — 



White post . . .1 



Grey metal stone . . 3 



Black-grey metal stone . — 



Coal, the Hard Coal Seam C — 



Dark grey metal stone mixed ) 



w ith Coal . . ■ ) — 



Coal, the Brass Coal Seam D. — 



White post . . .1 



Grey metal stone with girdles — 



Ft. In. 



5 9 



3 — 

 — 10 



4 — 



2 — 



4 9 



— - 3 



3 — 



3 5 



3 — 



3 — 



2 — 



1 4 



4 9 



1 9 



5 3 



2 2 

 4 — 



Carried forward 58 3 



Fath. Ft. In. 



Brought forward 58 3 — 



Black grey metal stone . — 13 



Grey metal stone with post girdles 3 — 2 



Dark grey metal stone with post 1 . - 



girdles . . . j 



Brown post . - . — 3 — 



Grey metal stone . . — 3 2 



Brown post . . . — 3 1 



Grey post . . . — 3 1 



White post . . .15 2 



Black metal stone . . — 13 



Strong white post . .3 — 6 



Grey metal stone . . — 4 6 



Strong grey post . .13 7 



Whin . . . — 3 — 



Strong grey post . .216 



Whin . . . — 38 



Grey and white post mixed with ) 



whin . . . ) 



Blue grey metal stone mixed > 



with whin girdles . . $ 



Coal, the Hutton's Seam E. 1 

 White post . . .i — 



Coal F. . . .) — 



Blue metal stone . . 1 



Grey post mixed with whin . 3 

 Blue metal stone . . 1 



Coal, the Low Main F or G — 



1 — 



1 — 

 5 10 

 1 8 

 3 9 



5 — 

 3 6 



Total 



rather doubtful whether these two CoaU are not the same seam divided. 



