| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Outset clay and soil |
75 |
0 |
|
75 |
0 |
| Outset clay and soil |
40 |
0 |
|
115 |
0 |
| Sand |
17 |
0 |
|
132 |
0 |
| Brown post |
12 |
0 |
|
144 |
0 |
| Blue and grey metal stone |
29 |
6 |
|
173 |
6 |
| COAL - Three-Quarter Seam |
1 |
6 |
|
175 |
0 |
| White post girdles and metal partings |
11 |
4 |
|
186 |
4 |
| Grey metal stone |
6 |
2 |
|
192 |
6 |
| Blue metal stone |
8 |
4 |
|
200 |
10 |
| Grey metal stone |
6 |
4 |
|
207 |
2 |
| White post |
2 |
2 |
|
209 |
4 |
| Blue and grey metal |
10 |
8 |
|
220 |
0 |
| Blue metal |
53 |
7 |
|
273 |
7 |
| Whin |
2 |
5 |
|
276 |
0 |
| White post, mixed with whin |
24 |
0 |
|
300 |
0 |
| Black stone |
24 |
0 |
|
324 |
0 |
| Post (Main Post) |
64 |
6 |
|
388 |
6 |
| COAL - High Main Seam |
5 |
5 |
|
393 |
11 |
| Sunk to Low Main (commenced October 25th, 1801) :— |
0 |
0 |
|
393 |
11 |
| Thill of Main Coal |
0 |
3 |
|
394 |
2 |
| COAL, ground |
2 |
6 |
|
396 |
8 |
| Thill |
1 |
0 |
|
397 |
8 |
| Blue stone, with metal and whin girdles |
27 |
4 |
|
425 |
0 |
| COAL |
3 |
9 |
|
428 |
9 |
| COAL |
0 |
9 |
|
|
|
| Stone |
0 |
11 |
|
|
|
| COAL |
2 |
1 |
|
|
|
| Thill |
4 |
0 |
|
432 |
9 |
| Blue stone |
6 |
0 |
|
438 |
9 |
| Black stone, with whin and post girdles |
7 |
7 |
|
446 |
4 |
| Mild black stone |
4 |
4 |
|
450 |
8 |
| COAL - Stone Coal Seam |
0 |
4 |
|
451 |
0 |
| Thill |
2 |
0 |
|
453 |
0 |
| Grey metal stone, with post girdles |
2 |
4 |
|
455 |
4 |
| Grey metal stone, with whin and post girdles |
7 |
10 |
|
463 |
2 |
| COAL |
0 |
3 |
|
463 |
5 |
| Strong blue ——, with catheads (ironstone balls?) |
6 |
0 |
|
469 |
5 |
| Strong post and whin |
4 |
6 |
|
473 |
11 |
| Strong black stone, with whin and post girdles |
9 |
0 |
|
482 |
11 |
| Grey metal stone, with post girdles |
12 |
0 |
|
494 |
11 |
| Strong blue stone, with girdles |
7 |
9 |
|
502 |
8 |
| COAL - Yard Seam |
1 |
10 |
|
504 |
6 |
| Grey metal stone, with whin and post girdles |
40 |
10 |
|
545 |
4 |
| Strong post, with whin |
4 |
5 |
|
549 |
9 |
| Blue stone, with girdles |
12 |
0 |
|
561 |
9 |
| Strong post and whin |
3 |
0 |
|
564 |
9 |
| Grey metal stone |
21 |
9 |
|
586 |
6 |
| COAL - Bensham Seam |
2 |
5 |
|
589 |
0 |
| COAL |
0 |
0 |
|
|
|
| Band |
0 |
0 |
|
|
|
| COAL |
0 |
0 |
|
|
|
| Grey metal stone, with thin post girdles |
16 |
8 |
|
605 |
8 |
| Post girdles, with metal partings |
6 |
2 |
|
611 |
10 |
| Strong white post, with whin (met with a feeder of salt water and sulphur at the top of the post) |
37 |
10 |
|
649 |
8 |
| Blue and grey metal stone |
1 |
0 |
|
650 |
8 |
| COAL |
0 |
6 |
|
651 |
2 |
| Blue metal stone |
6 |
0 |
|
657 |
2 |
| Strong white post, with whin girdles |
12 |
9 |
|
669 |
11 |
| Blue metal stone |
0 |
3 |
|
670 |
2 |
| COAL - Six-Quarter Seam |
2 |
9 |
|
672 |
11 |
| COAL |
0 |
8 |
|
|
|
| Black band |
0 |
4 |
|
|
|
| COAL |
1 |
9 |
|
|
|
| Thill |
1 |
9 |
|
674 |
8 |
| Strong grey metal post, with whin and post girdles |
10 |
3 |
|
684 |
11 |
| Whin |
1 |
4 |
|
686 |
3 |
| Blue stone, with strong post girdles |
12 |
5 |
|
698 |
8 |
| COAL - Five-Quarter Seam |
3 |
7 |
|
702 |
3 |
| Strong blue metal stone, with whin and post girdles |
8 |
10 |
|
711 |
1 |
| Black metal |
3 |
10 |
|
715 |
0 |
| Blue stone, with strong whin and post girdles |
13 |
7 |
|
728 |
7 |
| Black stone |
9 |
1 |
|
737 |
8 |
| COAL - Low Main Seam |
5 |
11 |
|
743 |
7 |
| Sunk for sump or standage for water |
10 |
0 |
|
753 |
7 |
| NOTE. BENSHAM SEAM. The band has been probably half-an-inch in thickness, as no notice has been taken of it. December 4th, 1821. |
0 |
0 |
|
753 |
7 |
original entry for sinking/boring number 0866 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885"
