West Coanwood Colliery
Herdley Bank Shaft
Account of Strata sunk through in the Herdley Bank Shaft, West Coanwood Colliery
Shaft Details
Approximate surface level 620 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres
 
|
|
|
|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Clay |
76 |
0 |
|
76 |
0 |
| Freestone |
6 |
0 |
|
82 |
0 |
| Grey girdles and post |
6 |
2 |
|
88 |
2 |
| Black plate, mixed with coal |
0 |
10 |
|
89 |
0 |
| COAL |
1 |
0 |
|
90 |
0 |
| Fire-clay with iron balls |
5 |
0 |
|
95 |
0 |
| Grey freestone |
7 |
0 |
|
102 |
0 |
| Black plate, mixed with coal |
4 |
6 |
|
106 |
6 |
| Strong blue plate, with freestone band |
9 |
10 |
|
116 |
4 |
| COAL - Five-Quarter Seam |
3 |
8 |
|
120 |
0 |
| COAL |
0 |
4 |
|
|
|
| Band |
0 |
4 |
|
|
|
| COAL |
3 |
0 |
|
|
|
| Fire-clay |
3 |
0 |
|
123 |
0 |
| Coaly plate |
0 |
10 |
|
123 |
10 |
| Fire-clay, with small iron balls |
0 |
10 |
|
124 |
8 |
| Coaly plate |
0 |
10 |
|
125 |
6 |
| Fire-clay, with small iron balls |
2 |
6 |
|
128 |
0 |
| White freestone |
73 |
0 |
|
201 |
0 |
| COAL |
1 |
0 |
|
202 |
0 |
| Fire-clay |
1 |
3 |
|
203 |
3 |
| Freestone |
6 |
0 |
|
209 |
3 |
| Grey beds |
4 |
0 |
|
213 |
3 |
| COAL |
0 |
7 |
|
213 |
10 |
| Fire-clay, coarse |
7 |
0 |
|
220 |
10 |
| Freestone |
11 |
6 |
|
232 |
4 |
| Blue plate |
3 |
0 |
|
235 |
4 |
| COAL - Yard Seam |
2 |
6 |
|
237 |
10 |
| Fire-clay |
4 |
0 |
|
241 |
10 |
| COAL |
1 |
9 |
|
243 |
7 |
| COAL |
0 |
9 |
|
|
|
| Band |
0 |
4 |
|
|
|
| COAL |
0 |
8 |
|
|
|
| Plate |
10 |
0 |
|
253 |
7 |
| COAL |
0 |
3 |
|
253 |
10 |
| Plate |
1 |
0 |
|
254 |
10 |
| Fire-clay |
6 |
6 |
|
261 |
4 |
| Freestone |
43 |
0 |
|
304 |
4 |
| Coomb |
11 |
8 |
|
316 |
0 |
| COAL - Coom-roof Seam |
4 |
0 |
|
320 |
0 |
| Freestone |
24 |
0 |
|
344 |
0 |
| Light plate |
10 |
6 |
|
354 |
6 |
| Black slippery plate |
5 |
6 |
|
360 |
0 |
| Coom |
9 |
0 |
|
369 |
0 |
| COAL |
1 |
0 |
|
370 |
0 |
| Blue plate, mixed with ironstone beds and balls |
7 |
7 |
|
377 |
7 |
| Freestone |
47 |
0 |
|
424 |
7 |
| COAL - Seven-Quarter or Slag Seam |
5 |
5 |
|
430 |
0 |
| COAL |
3 |
4 |
|
|
|
| Band |
0 |
1 |
|
|
|
| COAL |
2 |
0 |
|
|
|
| Freestone |
9 |
0 |
|
439 |
0 |
| Grey beds |
3 |
0 |
|
442 |
0 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910
original entry for sinking/boring number 2545 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910"
main page for West Coanwood Colliery
