Backworth Colliery
C Pit
Account of Strata sunk through in the C Pit, Backworth Colliery. Begun May 27th, 1856
Shaft Details
Sunk: 27 May 1856, Closed: 1890s
Approximate surface level 150 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. |
| Outset |
7 |
0 |
|
7 |
0 |
| Soil |
1 |
0 |
|
8 |
0 |
| Brown clay |
6 |
0 |
|
14 |
0 |
| Sand, with water |
2 |
6 |
|
16 |
6 |
| Blue clay |
8 |
10 |
|
25 |
4 |
| COAL |
2 |
0 |
|
27 |
4 |
| Grey thill |
5 |
0 |
|
32 |
4 |
| Grey metal |
7 |
10 |
|
40 |
2 |
| Scamy post |
3 |
0 |
|
43 |
2 |
| Blue metal |
2 |
10 |
|
46 |
0 |
| Scamy post, and blue metal and water |
6 |
6 |
|
52 |
6 |
| Black stone |
1 |
2 |
|
53 |
8 |
| COAL |
1 |
0 |
|
54 |
8 |
| Thill stone and ironstone balls |
6 |
0 |
|
60 |
8 |
| White post |
2 |
6 |
|
63 |
2 |
| Grey metal stone |
1 |
2 |
|
64 |
4 |
| White post and whin |
14 |
8 |
|
79 |
0 |
| White post, very coarse, with threads of lead ore |
9 |
0 |
|
88 |
0 |
| White post, very coarse, with threads of lead ore |
11 |
10 |
|
99 |
10 |
| Blue metal |
4 |
0 |
|
103 |
10 |
| COAL |
0 |
4 |
|
104 |
2 |
| Grey thill |
3 |
0 |
|
107 |
2 |
| Grey post, with partings |
7 |
0 |
|
114 |
2 |
| Grey post, with partings |
4 |
2 |
|
118 |
4 |
| Blue metal stone |
1 |
8 |
|
120 |
0 |
| Grey and white post and whin |
12 |
0 |
|
132 |
0 |
| Dark blue metal, soft |
12 |
3 |
|
144 |
3 |
| COAL |
0 |
9 |
|
145 |
0 |
| Grey thill |
1 |
0 |
|
146 |
0 |
| Grey post |
4 |
0 |
|
150 |
0 |
| Grey post |
7 |
2 |
|
157 |
2 |
| Whin |
2 |
6 |
|
159 |
8 |
| Post |
1 |
0 |
|
160 |
8 |
| Grey metal and ironstone balls |
11 |
6 |
|
172 |
2 |
| Whin |
0 |
9 |
|
172 |
11 |
| Grey metal |
1 |
8 |
|
174 |
7 |
| Black stone |
0 |
7 |
|
175 |
2 |
| Grey metal |
6 |
0 |
|
181 |
2 |
| COAL - High Main Seam |
5 |
10 |
|
187 |
0 |
| COAL, foul |
1 |
8 |
|
188 |
8 |
| Grey thill |
0 |
7 |
|
189 |
3 |
| COAL, strong brassy |
2 |
5 |
|
191 |
8 |
| Grey thill |
3 |
0 |
|
194 |
8 |
| Light grey metal |
5 |
0 |
|
199 |
8 |
| Grey metal stone |
32 |
4 |
|
232 |
0 |
| Grey post |
24 |
5 |
|
256 |
5 |
| Blue metal |
7 |
3 |
|
263 |
8 |
| COAL - Metal Coal Seam |
3 |
5 |
|
267 |
1 |
| Dark thill |
2 |
0 |
|
269 |
1 |
| Blue metal |
20 |
7 |
|
289 |
8 |
| COAL - Stone Coal Seam |
2 |
3 |
|
291 |
11 |
| Black stone |
0 |
10 |
|
292 |
9 |
| Dark grey metal |
3 |
1 |
|
295 |
10 |
| Post |
2 |
11 |
|
298 |
9 |
| Black stone |
0 |
6 |
|
299 |
3 |
| COAL |
0 |
4 |
|
299 |
7 |
| Dark thill |
2 |
0 |
|
301 |
7 |
| Blue metal and ironstone girdles |
9 |
0 |
|
310 |
7 |
| Blue metal stone and post girdles |
6 |
0 |
|
316 |
7 |
| Scamy post |
3 |
0 |
|
319 |
7 |
| Dark blue metal and ironstone girdles |
6 |
0 |
|
325 |
7 |
| COAL |
0 |
6 |
|
326 |
1 |
| Dark coaly thill |
3 |
5 |
|
329 |
6 |
| COAL |
0 |
3 |
|
329 |
9 |
| Grey thill |
1 |
0 |
|
330 |
9 |
| Grey post |
1 |
1 |
|
331 |
10 |
| Dark grey metal |
4 |
0 |
|
335 |
10 |
| Grey post |
3 |
8 |
|
339 |
6 |
| Blue metal stone and ironstone girdles |
7 |
6 |
|
347 |
0 |
| Blue metal stone with whin girdles |
5 |
0 |
|
352 |
0 |
| COAL - Yard Seam |
2 |
7 |
|
354 |
7 |
| Light grey thill |
3 |
0 |
|
357 |
7 |
| Grey post |
3 |
11 |
|
361 |
6 |
| Blue metal |
4 |
4 |
|
365 |
10 |
| COAL |
0 |
6 |
|
366 |
4 |
| Dark grey thill |
2 |
6 |
|
368 |
10 |
| Grey metal stone and whin clyers |
3 |
7 |
|
372 |
5 |
| Black stone |
0 |
3 |
|
372 |
8 |
| Light grey metal |
3 |
0 |
|
375 |
8 |
| Strong grey metal stone and whin |
8 |
0 |
|
383 |
8 |
| Strong grey metal stone and whin |
3 |
11 |
|
387 |
7 |
| Blue metal stone |
21 |
0 |
|
408 |
7 |
| Grey post |
18 |
8 |
|
427 |
3 |
| COAL - Bensham Seam |
4 |
3 |
|
431 |
6 |
| COAL |
2 |
4 |
|
|
|
| Metal band |
0 |
8 |
|
|
|
| COAL |
1 |
3 |
|
|
|
| Grey thill |
4 |
0 |
|
435 |
6 |
| Grey post and blue metal partings |
12 |
3 |
|
447 |
9 |
| Blue metal |
4 |
3 |
|
452 |
0 |
| Black stone |
0 |
2 |
|
452 |
2 |
| Blue metal |
2 |
1 |
|
454 |
3 |
| Dark scamy post |
4 |
0 |
|
458 |
3 |
| Blue metal and post girdles |
11 |
8 |
|
469 |
11 |
| COAL - Five-Quarter Seam |
9 |
6 |
|
479 |
5 |
| COAL |
0 |
2 |
|
|
|
| Dark metal |
1 |
5 |
|
|
|
| COAL |
0 |
3 |
|
|
|
| Dark metal |
3 |
2 |
|
|
|
| COAL |
1 |
9 |
|
|
|
| Dark metal |
0 |
9 |
|
|
|
| COAL |
0 |
7 |
|
|
|
| Dark metal |
0 |
5 |
|
|
|
| COAL |
1 |
0 |
|
|
|
| Thill |
1 |
0 |
|
480 |
5 |
| Grey post |
6 |
6 |
|
486 |
11 |
| Blue metal stone and post girdles |
5 |
0 |
|
491 |
11 |
| Blue metal stone and post girdles |
5 |
0 |
|
496 |
11 |
| Blue metal stone |
5 |
0 |
|
501 |
11 |
| Post |
4 |
0 |
|
505 |
11 |
| Blue metal |
2 |
2 |
|
508 |
1 |
| Black stone |
0 |
2 |
|
508 |
3 |
| COAL |
2 |
3 |
|
510 |
6 |
| Cannel |
0 |
3 |
|
|
|
| COAL |
2 |
0 |
|
|
|
| Grey metal |
5 |
0 |
|
515 |
6 |
| Grey metal stone |
6 |
0 |
|
521 |
6 |
| Corrected measurement from top of outset to bottom |
0 |
0 |
|
521 |
6 |
| Therefore add |
1 |
6 |
|
523 |
0 |
| Bored further:— |
0 |
0 |
|
523 |
0 |
| Grey metal |
5 |
9 |
|
528 |
9 |
| COAL |
0 |
8 |
|
529 |
5 |
| Thill |
1 |
9 |
|
531 |
2 |
| Light grey metal stone |
6 |
0 |
|
537 |
2 |
| Grey metal stone and post girdles |
13 |
0 |
|
550 |
2 |
| White post |
9 |
6 |
|
559 |
8 |
|
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 0032 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