















































|
Percy Main Colliery
Flatworth Pit
Flatworth Pit, Percy Main Colliery
Shaft Details
Approximate surface level 146 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres


 

 

 

 
|


 

 

 

 

 

 

 
|



























































|









|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Outset |
5 |
0 |
|
5 |
0 |
| Soil |
1 |
0 |
|
6 |
0 |
| Brown gravelly clay |
6 |
0 |
|
12 |
0 |
| Sand |
0 |
10 |
|
12 |
10 |
| Blue gravelly clay |
1 |
3 |
|
14 |
1 |
| Clay and sand |
0 |
9 |
|
14 |
10 |
| Blue gravelly clay |
16 |
6 |
|
31 |
4 |
| Sand |
0 |
10 |
|
32 |
2 |
| Sand and clay |
1 |
4 |
|
33 |
6 |
| Sand, with water |
2 |
0 |
|
35 |
6 |
| Blue gravelly clay |
57 |
2 |
|
92 |
8 |
| Sand and clay |
6 |
0 |
|
98 |
8 |
| Blue gravelly clay |
47 |
4 |
|
146 |
0 |
| Blue gravelly clay |
2 |
11 |
|
148 |
11 |
| Brown metal and brown post, with water |
37 |
0 |
|
185 |
11 |
| Grey metal, with post girdles and water |
4 |
0 |
|
189 |
11 |
| Broken post, with water |
21 |
0 |
|
210 |
11 |
| Grey post, with metal balls |
4 |
0 |
|
214 |
11 |
| Blue metal stone |
27 |
0 |
|
241 |
11 |
| Black stone, mixed with coal |
3 |
0 |
|
244 |
11 |
| Grey metal stone |
7 |
0 |
|
251 |
11 |
| Red and blue metal stone |
5 |
0 |
|
256 |
11 |
| Grey scamy post |
7 |
0 |
|
263 |
11 |
| Red and blue metal |
6 |
0 |
|
269 |
11 |
| Low ground stone, grey post, and much water |
53 |
0 |
|
322 |
11 |
| Brown and grey post, with water |
2 |
0 |
|
324 |
11 |
| Red and blue metal |
4 |
0 |
|
328 |
11 |
| Low ground stone, coal |
1 |
0 |
|
329 |
11 |
| Grey thill stone |
7 |
0 |
|
336 |
11 |
| Black stone |
2 |
0 |
|
338 |
11 |
| Grey whin |
1 |
0 |
|
339 |
11 |
| Grey metal stone |
16 |
0 |
|
355 |
11 |
| COAL - 60 Fathoms Coal |
1 |
2 |
|
357 |
1 |
| Grey thill stone |
2 |
0 |
|
359 |
1 |
| Grey scamy post |
34 |
0 |
|
393 |
1 |
| Blue metal stone |
18 |
0 |
|
411 |
1 |
| Brown whin |
6 |
0 |
|
417 |
1 |
| Scamy post |
12 |
0 |
|
429 |
1 |
| Black stone |
2 |
0 |
|
431 |
1 |
| COAL |
1 |
4 |
|
432 |
5 |
| Grey thill stone |
3 |
0 |
|
435 |
5 |
| Blue metal stone, with water |
13 |
0 |
|
448 |
5 |
| Grey scamy post |
12 |
0 |
|
460 |
5 |
| Grey metal stone |
6 |
6 |
|
466 |
11 |
| COAL, foul |
0 |
6 |
|
467 |
5 |
| Grey thill stone |
13 |
4 |
|
480 |
9 |
| COAL, foul |
1 |
2 |
|
481 |
11 |
| Grey thill stone |
5 |
7 |
|
487 |
6 |
| White post |
3 |
6 |
|
491 |
0 |
| Blue metal stone, with whin |
12 |
0 |
|
503 |
0 |
| Black stone |
3 |
0 |
|
506 |
0 |
| White post girdles |
8 |
0 |
|
514 |
0 |
| COAL - 70 Fathoms Coal |
0 |
5 |
|
514 |
5 |
| Grey thill stone |
18 |
9 |
|
533 |
2 |
| White post (called the 70 Fathoms Post) |
80 |
0 |
|
613 |
2 |
| Grey metal |
18 |
0 |
|
631 |
2 |
| Grey post girdle |
3 |
0 |
|
634 |
2 |
| Black stone |
23 |
6 |
|
657 |
8 |
| Post - Main Post |
62 |
0 |
|
719 |
8 |
| COAL - High Main Seam |
6 |
6 |
|
726 |
2 |
|
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 1531 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 Percy Main Colliery
|
|