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Pittington Colliery
Londonderry Pit
Account of Strata sunk through in the Londonderry Pit, North Pittington Colliery. Began April 3rd, 1826, ended June 19th, 1828
Shaft Details
Sunk: 03 Apr 1826
Approximate surface level 325 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 |
19 |
8 |
|
19 |
8 |
| Soil |
1 |
0 |
|
20 |
8 |
| Gravelly clay |
29 |
0 |
|
49 |
8 |
| Blue metal (delivery drift in this, 8 ft. 2½ in. of offtake) |
22 |
6 |
|
72 |
2 |
| COAL |
1 |
8 |
|
73 |
10 |
| Grey metal |
4 |
10 |
|
78 |
8 |
| Jointy white post, with water |
1 |
7 |
|
80 |
3 |
| Grey metal |
1 |
5 |
|
81 |
8 |
| Jointy white post |
1 |
2 |
|
82 |
10 |
| Grey metal |
2 |
5 |
|
85 |
3 |
| COAL, foul |
1 |
0 |
|
86 |
3 |
| Soft black thill |
0 |
7 |
|
86 |
10 |
| Soft grey metal |
8 |
0 |
|
94 |
10 |
| Soft blue metal |
12 |
7 |
|
107 |
5 |
| COAL |
0 |
3 |
|
107 |
8 |
| Grey thill |
1 |
5 |
|
109 |
1 |
| Strong grey metal |
9 |
0 |
|
118 |
1 |
| Strong grey metal, with white post girdles |
3 |
10 |
|
121 |
11 |
| Freestone (a drift set in about half-way in this freestone, Sept. 7th, 1826) |
40 |
0 |
|
161 |
11 |
| Whin |
4 |
8 |
|
166 |
7 |
| White post and iron balls |
10 |
1 |
|
176 |
8 |
| Grey metal |
0 |
6 |
|
177 |
2 |
| Whin |
1 |
8 |
|
178 |
10 |
| White post |
2 |
3 |
|
181 |
1 |
| Grey metal |
4 |
2 |
|
185 |
3 |
| COAL, splint (Oct. 27th, 1826, drift set in) |
2 |
3 |
|
187 |
7 |
| Grey metal |
24 |
0 |
|
211 |
7 |
| Black stone and coal |
2 |
0 |
|
213 |
7 |
| Grey metal |
10 |
7 |
|
224 |
2 |
| Soft black stone |
5 |
3 |
|
229 |
5 |
| COAL - Three-Quarter Seam |
5 |
1 |
|
234 |
6 |
| COAL |
1 |
9½ |
|
|
|
| Black stone |
0 |
9 |
|
|
|
| COAL |
1 |
5 |
|
|
|
| Black stone |
0 |
8 |
|
|
|
| COAL |
0 |
5½ |
|
|
|
| Black thill stone |
3 |
5 |
|
238 |
0 |
| Strong blue metal |
16 |
5 |
|
254 |
5 |
| Black stone, with coal pipes |
1 |
4 |
|
255 |
9 |
| COAL - Five-Quarter Seam |
3 |
9 |
|
259 |
6 |
| COAL, splint |
0 |
3½ |
|
|
|
| COAL, good |
3 |
3½ |
|
|
|
| COAL, splint |
0 |
2½ |
|
|
|
| Black thill stone |
2 |
8 |
|
262 |
2 |
| Grey metal |
25 |
6 |
|
287 |
8 |
| Soft grey metal, with iron balls |
5 |
7 |
|
293 |
3 |
| Black stone |
1 |
9 |
|
295 |
0 |
| Grey thill stone |
2 |
8 |
|
297 |
8 |
| Black stone |
2 |
9 |
|
300 |
5 |
| COAL - Main Coal Seam |
4 |
5 |
|
304 |
10 |
| Grey thill stone |
4 |
2 |
|
309 |
0 |
| White post girdles |
0 |
7 |
|
309 |
7 |
| Strong grey metal |
14 |
0 |
|
323 |
7 |
| Blue metal |
5 |
5 |
|
329 |
0 |
| Black stone, with water |
0 |
11 |
|
330 |
0 |
| Grey metal, with post girdles and water |
4 |
3 |
|
334 |
3 |
| Blue metal |
2 |
7 |
|
336 |
10 |
| Strong grey metal |
22 |
7 |
|
359 |
5 |
| COAL - Maudlin Seam |
6 |
3 |
|
365 |
8 |
| Black stone (drift set in, Dec. 4th, 1827) |
6 |
3 |
|
|
|
| Grey metal, with post girdles and water |
2 |
2 |
|
367 |
10 |
| Strong white post |
18 |
4 |
|
386 |
2 |
| Black parting, with water |
0 |
3 |
|
386 |
5 |
| Strong white post |
27 |
6 |
|
413 |
11 |
| Black stone |
9 |
5 |
|
423 |
4 |
| Strong white post |
9 |
8 |
|
433 |
0 |
| Grey metal, with post girdles and water |
1 |
2 |
|
434 |
2 |
| Strong white post |
2 |
6 |
|
436 |
8 |
| Black stone, with water |
0 |
10 |
|
437 |
6 |
| Strong white post |
5 |
11 |
|
443 |
6 |
| Strong white post |
16 |
1 |
|
459 |
7 |
| Soft blue stone |
2 |
2 |
|
461 |
9 |
| COAL - Low Main Seam |
4 |
0 |
|
465 |
9 |
| COAL, coarse |
3 |
6½ |
|
|
|
| Black stone |
0 |
2½ |
|
|
|
| COAL, splint |
0 |
3½ |
|
|
|
| Grey metal thill |
1 |
0 |
|
466 |
9 |
| Strong grey metal, with post girdles |
15 |
8 |
|
482 |
5 |
| Soft blue metal |
15 |
0 |
|
497 |
5 |
| COAL, splint |
1 |
5 |
|
498 |
10 |
| Soft blue metal, with post girdles |
11 |
9 |
|
510 |
7 |
| COAL - Brass Thill Seam |
2 |
5 |
|
513 |
0 |
| COAL, high |
0 |
7 |
|
|
|
| Soft blue metal |
1 |
2 |
|
|
|
| COAL, low part |
0 |
8 |
|
|
|
| Strong grey thill |
3 |
0 |
|
516 |
0 |
| Strong white post |
9 |
0 |
|
525 |
0 |
| Strong grey metal, with post girdles |
27 |
0 |
|
552 |
0 |
| COAL - Hutton Seam |
5 |
10 |
|
557 |
10 |
| COAL, good |
4 |
7 |
|
|
|
| COAL, bottom |
1 |
3 |
|
|
|
| Sunk for sump |
43 |
0 |
|
600 |
10 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887
original entry for sinking/boring number 1539 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887"
main page for Pittington Colliery
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