Callerton Colliery
Pawley Letch Pit
Account of Strata sunk through at the Pawley Letch Pit, Callerton Colliery, commenced May 6th, 1830
Shaft Details
Sunk: 06 May 1830
Approximate surface level 280 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. |
| Strong clay, with tumbling stones |
114 |
6 |
|
114 |
6 |
| Fire clay |
17 |
6 |
|
132 |
0 |
| Grey metal |
0 |
10 |
|
132 |
10 |
| White post |
2 |
2 |
|
135 |
0 |
| Grey metal |
3 |
3 |
|
138 |
3 |
| White post |
2 |
4 |
|
140 |
7 |
| Grey metal |
1 |
2 |
|
141 |
9 |
| White and brown post |
11 |
6 |
|
153 |
3 |
| Grey post |
3 |
0 |
|
156 |
3 |
| COAL |
0 |
2 |
|
156 |
5 |
| Dark grey metal |
10 |
4 |
|
166 |
9 |
| White post |
4 |
5 |
|
171 |
2 |
| Blue metal |
0 |
7 |
|
171 |
9 |
| Grey post |
0 |
10 |
|
172 |
7 |
| Blue metal |
1 |
10 |
|
174 |
5 |
| COAL |
1 |
1 |
|
175 |
6 |
| Blue metal |
0 |
4 |
|
175 |
10 |
| COAL |
0 |
2 |
|
176 |
0 |
| Grey metal |
1 |
6 |
|
177 |
6 |
| Blue metal |
4 |
6 |
|
182 |
0 |
| White post |
12 |
6 |
|
194 |
6 |
| Grey metal |
14 |
11 |
|
209 |
5 |
| Blue metal |
3 |
11 |
|
213 |
4 |
| Post girdle |
0 |
7 |
|
213 |
11 |
| Soft grey metal |
1 |
5 |
|
215 |
4 |
| White post |
3 |
7 |
|
218 |
11 |
| Blue metal |
1 |
0 |
|
219 |
11 |
| White post |
4 |
7 |
|
224 |
6 |
| Dark grey metal |
0 |
11 |
|
225 |
5 |
| COAL |
0 |
6 |
|
225 |
11 |
| Grey metal |
9 |
2 |
|
235 |
1 |
| COAL |
0 |
8 |
|
235 |
9 |
| Grey metal |
3 |
5 |
|
239 |
2 |
| Ironstone girdle |
0 |
5 |
|
239 |
7 |
| Blue metal |
2 |
8 |
|
242 |
3 |
| White and grey post |
5 |
0 |
|
247 |
3 |
| Blue metal |
1 |
8 |
|
248 |
11 |
| Grey metal |
0 |
10 |
|
249 |
9 |
| Blue metal |
0 |
7 |
|
250 |
4 |
| White post |
9 |
7 |
|
259 |
11 |
| Blue metal |
0 |
2 |
|
260 |
1 |
| COAL - Engine or Beaumont Seam |
3 |
6 |
|
263 |
7 |
| Seggar or fire clay |
2 |
0 |
|
265 |
7 |
| Grey metal |
14 |
0 |
|
279 |
7 |
| White post, with water |
0 |
5 |
|
280 |
0 |
| White post, with water |
9 |
7 |
|
289 |
7 |
| COAL - Hodge Seam |
1 |
8 |
|
291 |
3 |
| Blue metal |
8 |
4 |
|
299 |
7 |
| COAL |
2 |
10 |
|
302 |
5 |
| COAL |
0 |
10 |
|
|
|
| Band |
0 |
1½ |
|
|
|
| COAL |
1 |
10½ |
|
|
|
| Fire clay |
2 |
4 |
|
304 |
9 |
| Grey metal |
10 |
7½ |
|
315 |
4½ |
| White post |
5 |
9½ |
|
321 |
2 |
| Grey metal, with post girdles and water |
3 |
0 |
|
324 |
2 |
| Grey post |
1 |
9 |
|
325 |
11 |
| Blue metal |
1 |
6 |
|
327 |
5 |
| COAL - Three-Quarter Seam |
1 |
3 |
|
328 |
8 |
| Fire clay |
2 |
3 |
|
330 |
11 |
| Grey post |
1 |
8 |
|
332 |
7 |
| Blue metal |
0 |
1½ |
|
332 |
8½ |
| COAL |
0 |
1 |
|
332 |
9½ |
| Fire clay |
1 |
2½ |
|
334 |
0 |
| Grey metal stone |
5 |
0 |
|
339 |
0 |
| White post, mixed with water |
1 |
10 |
|
340 |
10 |
| Blue metal |
10 |
0 |
|
350 |
10 |
| Grey post |
7 |
2 |
|
358 |
0 |
| Blue metal |
5 |
4 |
|
363 |
4 |
| COAL - Main Coal Seam |
2 |
8 |
|
366 |
0 |
| Thill |
1 |
0 |
|
367 |
0 |
| Grey post |
3 |
0 |
|
370 |
0 |
| Grey metal stone |
5 |
2 |
|
375 |
2 |
| White post |
8 |
5 |
|
383 |
7 |
| Whin, with water |
2 |
1 |
|
385 |
8 |
| White post, with water |
5 |
10 |
|
391 |
6 |
| Blue metal |
4 |
0 |
|
395 |
6 |
| Post girdle |
1 |
0 |
|
396 |
6 |
| Blue metal |
3 |
9 |
|
400 |
3 |
| COAL |
1 |
2 |
|
401 |
5 |
| Thill |
1 |
4 |
|
402 |
9 |
| Ironstone balls or girdle |
0 |
8½ |
|
403 |
5½ |
| Blue metal |
2 |
2 |
|
405 |
7½ |
| COAL |
0 |
4 |
|
405 |
11½ |
| Soft grey metal |
7 |
0 |
|
412 |
11½ |
| Grey post |
2 |
0 |
|
414 |
11½ |
| White post, very hard |
1 |
4 |
|
416 |
3½ |
| Grey metal |
2 |
3 |
|
418 |
6½ |
| Grey post |
4 |
0 |
|
422 |
6½ |
| Blue metal |
4 |
10 |
|
427 |
4½ |
| Grey metal |
1 |
1 |
|
428 |
5½ |
| Blue metal |
3 |
8 |
|
432 |
1½ |
| COAL, with water |
0 |
5 |
|
432 |
6½ |
| Thill |
0 |
4 |
|
432 |
10½ |
| Strong grey metal |
2 |
10 |
|
435 |
8½ |
| Blue metal |
4 |
5 |
|
440 |
1½ |
| Grey post, with water |
5 |
9 |
|
445 |
10½ |
| Grey metal |
2 |
1 |
|
447 |
11½ |
| Grey post |
4 |
0 |
|
451 |
11½ |
| COAL - Splint Seam |
2 |
8 |
|
454 |
7½ |
| Thill |
0 |
9 |
|
455 |
4½ |
| Grey metal |
2 |
5 |
|
457 |
9½ |
| White post |
1 |
7 |
|
459 |
4½ |
| Blue metal |
1 |
1 |
|
460 |
5½ |
| COAL |
0 |
4 |
|
460 |
9½ |
| Bored from here — |
0 |
0 |
|
460 |
9½ |
| Grey metal |
4 |
0 |
|
464 |
9½ |
| Grey metal |
2 |
8 |
|
467 |
5½ |
| Girdley post |
12 |
4 |
|
479 |
9½ |
|
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 0394 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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