Walltown
Cockmount Hill Mine
Account of Strata sunk through in the Cockmount Hill Mine
Shaft Details
Approximate surface level 650 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres


 

 
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| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Whin |
138 |
9 |
|
138 |
9 |
| Hazle |
6 |
6 |
|
145 |
3 |
| Grey beds and hazle |
10 |
9 |
|
156 |
0 |
| Plate, post and fireclay |
3 |
9 |
|
159 |
9 |
| Hazle |
10 |
9 |
|
170 |
6 |
| Plate |
2 |
6 |
|
173 |
0 |
| Hazle |
11 |
9 |
|
184 |
9 |
| Plate |
23 |
0 |
|
207 |
9 |
| Hazle |
2 |
0 |
|
209 |
9 |
| Plate and coal |
35 |
3 |
|
245 |
0 |
| Hazle |
41 |
9 |
|
286 |
9 |
| Plate and coal |
17 |
0 |
|
303 |
9 |
| Fire-clay, with white post |
16 |
6 |
|
320 |
3 |
| Hazle |
27 |
0 |
|
347 |
3 |
| Conglomerate |
6 |
0 |
|
353 |
3 |
| Hazle |
3 |
9 |
|
357 |
0 |
| Conglomerate |
9 |
6 |
|
366 |
6 |
| Plate |
31 |
0 |
|
397 |
6 |
| Limestone |
3 |
6 |
|
401 |
0 |
| Plate |
13 |
3 |
|
414 |
3 |
| Limestone |
12 |
9 |
|
427 |
0 |
| Plate and coal |
1 |
0 |
|
428 |
0 |
| Hazle |
4 |
0 |
|
432 |
0 |
| Plate |
2 |
3 |
|
434 |
3 |
| Hazle |
16 |
6 |
|
450 |
9 |
| Plate and grey beds |
8 |
3 |
|
459 |
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 3039 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"