Backworth Colliery
D Pit
Section of Strata sunk through in the D Pit, Backworth Colliery. Begun March 14th, 1864
Shaft Details
Sunk: 14 Mar 1864, Closed: 1890s
Approximate surface level 200 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres
 
|
|
|
|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Outset |
6 |
0 |
|
6 |
0 |
| Yellow clay |
2 |
0 |
|
8 |
0 |
| Blue clay |
1 |
7 |
|
9 |
7 |
| Leafy post |
8 |
5 |
|
18 |
0 |
| Blue metal |
5 |
0 |
|
23 |
0 |
| Bedstone and coal |
1 |
2 |
|
24 |
2 |
| Thill stone |
6 |
8 |
|
30 |
10 |
| White post and whin |
3 |
0 |
|
33 |
10 |
| Metal parting |
0 |
4 |
|
34 |
2 |
| Scamy post |
4 |
2 |
|
38 |
4 |
| Blue metal |
3 |
2 |
|
41 |
6 |
| COAL |
0 |
9 |
|
42 |
3 |
| Thill stone |
3 |
2 |
|
45 |
5 |
| Scamy post and partings |
11 |
6 |
|
56 |
11 |
| COAL |
1 |
3 |
|
58 |
2 |
| Thill stone |
11 |
0 |
|
69 |
2 |
| Dark metal and ironstone balls |
2 |
4 |
|
71 |
6 |
| COAL |
0 |
4 |
|
71 |
10 |
| Blue metal and ironstone balls |
10 |
2 |
|
82 |
0 |
| Grey metal stone |
10 |
0 |
|
92 |
0 |
| White post and whin |
24 |
6 |
|
116 |
6 |
| Dark metal |
2 |
9 |
|
119 |
3 |
| COAL |
2 |
9 |
|
122 |
0 |
| COAL |
1 |
0 |
|
|
|
| Band |
0 |
4 |
|
|
|
| COAL |
1 |
5 |
|
|
|
| Post and whin clyers |
10 |
0 |
|
132 |
0 |
| Black stone |
3 |
0 |
|
135 |
0 |
| Blue metal |
8 |
0 |
|
143 |
0 |
| Black stone |
4 |
0 |
|
147 |
0 |
| COAL |
0 |
9 |
|
147 |
9 |
| Grey metal stone |
18 |
5 |
|
166 |
2 |
| Post |
20 |
6 |
|
186 |
8 |
| Black stone |
1 |
6 |
|
188 |
2 |
| Blue metal |
4 |
0 |
|
192 |
2 |
| COAL |
0 |
3 |
|
192 |
5 |
| Blue metal and post girdles |
6 |
3 |
|
198 |
8 |
| Post with whin |
1 |
4 |
|
200 |
0 |
| Post with whin |
11 |
8 |
|
211 |
8 |
| Blue metal |
7 |
0 |
|
218 |
8 |
| Black stone |
7 |
0 |
|
225 |
8 |
| COAL |
0 |
6 |
|
226 |
2 |
| Thill stone |
0 |
8 |
|
226 |
10 |
| Post girdles and partings |
45 |
0 |
|
271 |
10 |
| Blue metal |
4 |
2 |
|
276 |
0 |
| COAL - High Main Seam |
12 |
0 |
|
288 |
0 |
| COAL |
6 |
2 |
|
|
|
| Band |
0 |
4 |
|
|
|
| COAL, coarse |
2 |
0 |
|
|
|
| Thill stone |
1 |
0 |
|
|
|
| COAL, coarse |
2 |
6 |
|
|
|
| Thill stone |
4 |
0 |
|
292 |
0 |
| Blue metal |
3 |
0 |
|
295 |
0 |
| Blue metal and post girdles |
19 |
0 |
|
314 |
0 |
| Scamy post |
6 |
0 |
|
320 |
0 |
| Blue metal stone |
14 |
0 |
|
334 |
0 |
| COAL - Metal Coal Seam |
2 |
10 |
|
336 |
10 |
| Thill stone |
3 |
0 |
|
339 |
10 |
| Blue metal stone |
24 |
4 |
|
364 |
2 |
| COAL - Stone Coal Seam |
1 |
8 |
|
365 |
10 |
| Thill stone |
1 |
0 |
|
366 |
10 |
| Post girdles and metal partings |
12 |
0 |
|
378 |
10 |
| Blue metal and ironstone balls |
4 |
0 |
|
382 |
10 |
| Scamy post |
12 |
0 |
|
394 |
10 |
| Blue metal |
5 |
6 |
|
400 |
4 |
| COAL |
0 |
6 |
|
400 |
10 |
| Thill stone |
11 |
0 |
|
411 |
10 |
| White post and whin |
26 |
4 |
|
438 |
2 |
| COAL - Yard Seam |
2 |
6 |
|
440 |
8 |
| Black stone |
0 |
2 |
|
440 |
10 |
| Thill stone |
4 |
10 |
|
445 |
8 |
| Dark blue metal |
11 |
2 |
|
456 |
10 |
| White post |
1 |
0 |
|
457 |
10 |
| COAL and old stone |
1 |
6 |
|
459 |
4 |
| Thill stone |
2 |
0 |
|
461 |
4 |
| Blue metal |
5 |
10 |
|
467 |
2 |
| Blue metal stone |
3 |
0 |
|
470 |
2 |
| Grey metal stone |
26 |
0 |
|
496 |
2 |
| Blue metal |
6 |
6 |
|
502 |
8 |
| COAL - Bensham Seam |
4 |
1 |
|
506 |
9 |
| COAL |
2 |
1 |
|
|
|
| Band |
0 |
6 |
|
|
|
| COAL |
1 |
6 |
|
|
|
| Thill stone |
8 |
0 |
|
514 |
9 |
| Post girdles and metal partings |
3 |
6 |
|
518 |
3 |
| Thill stone |
6 |
11 |
|
525 |
2 |
| Blue metal and post girdles |
21 |
0 |
|
546 |
2 |
| White post and partings |
73 |
10 |
|
620 |
0 |
| Blue metal |
1 |
8 |
|
621 |
8 |
| COAL - Low Main Seam |
4 |
8 |
|
626 |
4 |
| Grey |
0 |
2 |
|
|
|
| COAL |
3 |
0 |
|
|
|
| Metal band |
0 |
8 |
|
|
|
| COAL |
0 |
10 |
|
|
|
| Thill stone |
6 |
0 |
|
632 |
4 |
| Grey metal and post girdles |
21 |
6 |
|
653 |
10 |
| Whin clyer |
2 |
6 |
|
656 |
4 |
| Metal parting |
1 |
0 |
|
657 |
4 |
| Post and metal partings |
46 |
0 |
|
703 |
4 |
| Grey post |
1 |
0 |
|
704 |
4 |
| White post |
10 |
4 |
|
714 |
8 |
| Whin |
3 |
2 |
|
717 |
10 |
| Blue metal |
3 |
2 |
|
721 |
0 |
| White post |
7 |
6 |
|
728 |
6 |
| Grey post |
46 |
10 |
|
775 |
4 |
| White post and partings |
6 |
0 |
|
781 |
4 |
| White post and whin |
12 |
0 |
|
793 |
4 |
| Post |
28 |
10 |
|
822 |
2 |
| Blue metal |
5 |
2 |
|
827 |
4 |
| COAL |
0 |
6 |
|
827 |
10 |
| Grey thill stone |
4 |
0 |
|
831 |
10 |
| COAL |
0 |
4 |
|
832 |
2 |
| White thill stone |
8 |
6 |
|
840 |
8 |
| Grey post and blue metal |
8 |
0 |
|
848 |
8 |
| Blue metal and post girdle |
11 |
0 |
|
859 |
8 |
| Grey post |
4 |
9 |
|
864 |
5 |
| White post |
1 |
3 |
|
865 |
8 |
| Strong blue metal |
5 |
0 |
|
870 |
8 |
| COAL - Supposed Beaumont Seam |
6 |
8 |
|
877 |
4 |
| COAL |
3 |
2 |
|
|
|
| Band |
2 |
6 |
|
|
|
| COAL |
1 |
0 |
|
|
|
| Thill stone |
0 |
0 |
|
877 |
4 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878
original entry for sinking/boring number 0033 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878"
main page for Backworth Colliery
