Derwent Colliery
William Pit
Portion of the various Seams sunk through at the William Pit, Derwent Colliery
Shaft Details
Closed: 21 Nov 1964
Approximate surface level 754 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres
 
|
|
|
|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Strata |
49 |
6 |
|
49 |
6 |
| COAL - Hutton Seam |
6 |
0 |
|
55 |
6 |
| Strata |
43 |
6 |
|
99 |
0 |
| COAL - Little Coal |
2 |
0 |
|
101 |
0 |
| Post and plate |
2 |
0 |
|
103 |
0 |
| COAL, with three bands - Main Coal (Hutton Seam of Wear) |
4 |
2 |
|
107 |
2 |
| Strata |
58 |
6 |
|
165 |
8 |
| COAL |
0 |
4 |
|
166 |
0 |
| Strata |
69 |
9 |
|
235 |
9 |
| COAL |
0 |
9 |
|
236 |
6 |
| Strata |
14 |
9 |
|
251 |
3 |
| COAL - Towneley or No. 1 Seam (Beaumont or Harvey) |
2 |
2 |
|
253 |
5 |
| Strata |
23 |
0 |
|
276 |
5 |
| COAL - Hodge or Ryton |
1 |
0 |
|
277 |
5 |
| Strata |
26 |
0 |
|
303 |
5 |
| COAL - Stone Coal or Tilley Seam |
1 |
10 |
|
305 |
3 |
| Strata, with a thin coal, about ten inches |
46 |
0 |
|
351 |
3 |
| COAL - Busty Bank Seam |
12 |
2 |
|
363 |
5 |
| COAL |
0 |
3 |
|
|
|
| Grey post |
0 |
4 |
|
|
|
| COAL |
3 |
0 |
|
|
|
| Band |
5 |
7 |
|
|
|
| COAL, bottom |
3 |
0 |
|
|
|
| Soft blue metal |
0 |
7 |
|
364 |
0 |
| Grey post |
2 |
0 |
|
366 |
0 |
| Blue metal, mixed with ironstone |
8 |
10 |
|
374 |
10 |
| Grey post (mica) |
2 |
2 |
|
377 |
0 |
| Hard grey post |
8 |
0 |
|
385 |
0 |
| White post (mica) |
4 |
0 |
|
389 |
0 |
| Hard grey post |
6 |
3 |
|
395 |
3 |
| Blue metal |
2 |
9 |
|
398 |
0 |
| COAL - Three-Quarter Seam |
2 |
3 |
|
400 |
3 |
| COAL, good |
2 |
0 |
|
|
|
| Band |
0 |
0½ |
|
|
|
| COAL, splint |
0 |
2½ |
|
|
|
| Grey metal |
1 |
2 |
|
401 |
5 |
| COAL |
0 |
2 |
|
401 |
7 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881
original entry for sinking/boring number 0715 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881"
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