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Shotton Colliery
North Pit
Account of Strata sunk through in the North Pit, Shotton Colliery. Commenced November 18th, 1840
Shaft Details
Sunk: 18 Nov 1840, Closed: 01 Sep 1972
Approximate surface level 460 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 walling |
12 |
2 |
|
12 |
2 |
| Soil |
1 |
0 |
|
13 |
2 |
| Clay, mixed with sand, gravel, and stones |
59 |
3 |
|
72 |
5 |
| Light yellow limestone |
66 |
0 |
|
138 |
5 |
| Strong brown limestone |
21 |
0 |
|
159 |
5 |
| Light yellow limestone |
36 |
0 |
|
195 |
5 |
| Strong brown limestone (first water at this parting) |
12 |
0 |
|
207 |
5 |
| Strong light brown limestone, with more water |
77 |
0 |
|
284 |
5 |
| Very strong grey limestone, with white partings and water |
58 |
0 |
|
342 |
5 |
| Mild yellow limestone, with gullets |
29 |
0 |
|
371 |
5 |
| Strong brown limestone, irregular, with more gullets |
11 |
7 |
|
383 |
0 |
| Strong blue limestone |
2 |
4 |
|
385 |
4 |
| Strong yellow limestone, mixed with blue alternately |
3 |
0 |
|
388 |
4 |
| Strong blue limestone, in thin panels, mixed |
2 |
0 |
|
390 |
4 |
| Blue and grey metal |
1 |
4 |
|
391 |
8 |
| Yellow sand, with water |
27 |
0 |
|
418 |
8 |
| Strong yellow sand or post |
10 |
0 |
|
428 |
8 |
| Blue and brown post girdles |
2 |
6 |
|
431 |
2 |
| Soft blue metal |
3 |
3 |
|
434 |
5 |
| Soft blue metal, scared with black |
2 |
9 |
|
437 |
2 |
| Soft red metal |
2 |
9 |
|
439 |
11 |
| Strong black stone |
0 |
6 |
|
440 |
5 |
| Soft blue metal |
0 |
9 |
|
441 |
2 |
| Red metal |
4 |
6 |
|
445 |
8 |
| Mild red and grey post (two wedging cribs laid in this post for a permanent foundation) |
2 |
9 |
|
448 |
5 |
| Blue whin girdles |
1 |
4 |
|
449 |
9 |
| Mild grey metal |
9 |
7 |
|
459 |
4 |
| Mild grey post girdles |
0 |
8 |
|
460 |
0 |
| Mild grey post girdles |
1 |
10 |
|
461 |
10 |
| Blue metal, scared with red |
3 |
7 |
|
465 |
5 |
| Mild grey post girdles |
1 |
3 |
|
466 |
8 |
| Blue metal, soft at bottom |
3 |
3 |
|
469 |
11 |
| COAL |
2 |
7 |
|
472 |
6 |
| Thill |
0 |
9 |
|
473 |
3 |
| Red and grey metal |
8 |
0 |
|
481 |
3 |
| Grey post girdle |
1 |
0 |
|
482 |
3 |
| Coarse white post |
12 |
0 |
|
494 |
3 |
| Strong white and red post |
19 |
0 |
|
513 |
3 |
| COAL |
1 |
2 |
|
514 |
5 |
| Thill |
0 |
4 |
|
514 |
9 |
| Strong grey thill |
4 |
6 |
|
519 |
3 |
| Grey metal |
1 |
3 |
|
520 |
6 |
| White post girdles and water |
1 |
0 |
|
521 |
6 |
| Grey metal |
1 |
11 |
|
523 |
5 |
| White post girdles |
0 |
10 |
|
524 |
3 |
| Blue metal, with girdles |
8 |
0 |
|
532 |
3 |
| COAL |
0 |
10 |
|
533 |
1 |
| Thill, with scares of coal |
0 |
7 |
|
533 |
8 |
| Grey metal, with girdles |
5 |
0 |
|
538 |
8 |
| Red and blue metal, with red and grey post |
3 |
0 |
|
541 |
8 |
| Grey post |
7 |
0 |
|
548 |
8 |
| White post, with water |
1 |
6 |
|
550 |
2 |
| Grey metal |
1 |
0 |
|
551 |
2 |
| White post with whin, and mixed with red partings (lowest feeder in this post) |
46 |
6 |
|
597 |
8 |
| Black stone |
0 |
3 |
|
597 |
11 |
| Soft thill stone |
1 |
6 |
|
599 |
5 |
| Blue metal |
4 |
5 |
|
603 |
10 |
| Grey post |
21 |
10 |
|
625 |
8 |
| Dark metal, with ironstone girdles |
20 |
0 |
|
645 |
8 |
| Strong grey metal |
10 |
11 |
|
656 |
7 |
| Mild grey metal |
7 |
7 |
|
664 |
2 |
| Strong grey metal, with post girdles |
18 |
2 |
|
682 |
4 |
| Black stone |
0 |
3 |
|
682 |
7 |
| COAL, splint |
1 |
0 |
|
683 |
7 |
| Strong thill and metal |
3 |
0 |
|
686 |
7 |
| Strong grey metal |
3 |
0 |
|
689 |
7 |
| Strong grey metal, with post girdles |
14 |
8 |
|
704 |
3 |
| Blue metal, mixed with black |
9 |
8 |
|
713 |
11 |
| COAL |
0 |
3 |
|
714 |
2 |
| Black stone, with coal |
2 |
9 |
|
716 |
11 |
| COAL - Three-Quarter Seam |
4 |
1 |
|
721 |
1 |
| COAL, splint |
0 |
3 |
|
|
|
| COAL, good |
1 |
8 |
|
|
|
| Metal band |
0 |
4½ |
|
|
|
| COAL, good |
1 |
0 |
|
|
|
| Metal band |
0 |
1½ |
|
|
|
| COAL, coarse |
0 |
3½ |
|
|
|
| Metal band |
0 |
2 |
|
|
|
| COAL, coarse |
0 |
3 |
|
|
|
| Grey metal, with ironstone balls |
4 |
8 |
|
725 |
9 |
| Blue metal, with ironstone girdles |
12 |
9 |
|
738 |
6 |
| Mild grey post |
12 |
6 |
|
751 |
0 |
| Mild grey metal, soft at bottom |
8 |
10 |
|
759 |
10 |
| Black stone |
0 |
1 |
|
759 |
11 |
| COAL - Five-Quarter Seam |
3 |
10 |
|
763 |
10 |
| COAL, splint |
0 |
3 |
|
|
|
| COAL, coarse |
0 |
3½ |
|
|
|
| COAL, good |
3 |
4 |
|
|
|
| Strong thill stone |
2 |
5 |
|
766 |
3 |
| Dark metal |
0 |
9 |
|
767 |
1 |
| Grey metal |
1 |
3 |
|
768 |
4 |
| Dark metal and coal bands |
1 |
8 |
|
770 |
0 |
| COAL |
3 |
6 |
|
773 |
6 |
| COAL |
0 |
3 |
|
|
|
| Grey metal |
1 |
8 |
|
|
|
| COAL |
1 |
7 |
|
|
|
| Thill stone |
1 |
8 |
|
775 |
2 |
| Grey metal |
2 |
1 |
|
777 |
3 |
| Grey post |
3 |
0 |
|
780 |
3 |
| Grey metal |
7 |
4 |
|
787 |
7 |
| Grey post |
13 |
4 |
|
800 |
11 |
| Grey metal |
1 |
4 |
|
802 |
3 |
| Strong white post |
17 |
4 |
|
819 |
7 |
| Black metal partings |
0 |
3 |
|
819 |
10 |
| Strong white post |
20 |
2 |
|
840 |
0 |
| COAL - Main Coal Seam |
2 |
3 |
|
842 |
3 |
| Thill stone |
0 |
3 |
|
842 |
6 |
| Strong green metal, with thin post girdles |
27 |
1 |
|
869 |
7 |
| Blue metal |
1 |
3 |
|
870 |
10 |
| Black stone |
1 |
5 |
|
872 |
3 |
| COAL, with stone |
0 |
6 |
|
872 |
9 |
| Thill stone |
0 |
9 |
|
873 |
6 |
| Grey metal |
32 |
6 |
|
906 |
0 |
| White post, with metal partings |
26 |
7 |
|
932 |
7 |
| Mild grey post |
36 |
0 |
|
968 |
7 |
| Strong white post |
18 |
0 |
|
986 |
7 |
| COAL - Low Main Seam |
3 |
0 |
|
989 |
7 |
| Thill stone |
0 |
6 |
|
990 |
1 |
| Strong grey metal |
26 |
3 |
|
1016 |
4 |
| Black stone |
3 |
6 |
|
1019 |
10 |
| Dark metal, with scares of coal |
15 |
3 |
|
1035 |
1 |
| COAL - Brass Thill Seam |
0 |
8 |
|
1035 |
9 |
| Thill stone |
0 |
4 |
|
1036 |
1 |
| Grey post girdles, with beds of strong grey metal |
10 |
0 |
|
1046 |
1 |
| COAL, strong and coarse |
0 |
2 |
|
1046 |
3 |
| Grey post, with very strong post girdles and grey metal |
22 |
0 |
|
1068 |
3 |
| Mild grey post, with beds of metal |
6 |
6 |
|
1074 |
9 |
| Black stone |
0 |
4 |
|
1075 |
1 |
| COAL - Hutton Seam |
5 |
4 |
|
1080 |
6 |
| COAL, top |
1 |
6 |
|
|
|
| Stone |
0 |
2 |
|
|
|
| COAL, good |
2 |
5 |
|
|
|
| Band |
0 |
0¼ |
|
|
|
| COAL, bottom |
1 |
3 |
|
|
|
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Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume S-T, published by the North of England Institute of Mining & Mechanical Engineers, 1894
original entry for sinking/boring number 1820 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume S-T, published by the North of England Institute of Mining & Mechanical Engineers, 1894"
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