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Beamish Colliery
Mary Pit
Section of strata sunk through in Mary Pit, Beamish Colliery
Shaft Details
Sunk: 1883, Closed: 26 Mar 1966
Approximate surface level 490 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres
 
|
|
|
|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Clay and gravel |
18 |
9 |
|
18 |
9 |
| Soft blue metal with iron girdles |
14 |
0 |
|
32 |
9 |
| COAL, dirty |
2 |
3 |
|
35 |
0 |
| Soft grey metal, with post girdles and water |
12 |
0 |
|
47 |
0 |
| Soft blue metal |
17 |
2 |
|
64 |
2 |
| COAL |
0 |
4 |
|
64 |
6 |
| Leafy post |
17 |
0 |
|
81 |
6 |
| Post |
35 |
4 |
|
116 |
10 |
| COAL - Shield Row Seam |
8 |
8 |
|
125 |
6 |
| COAL, top |
1 |
6 |
|
|
|
| Seggar band |
2 |
4 |
|
|
|
| COAL, bottom |
4 |
10 |
|
|
|
| Seggar-clay |
4 |
2 |
|
129 |
8 |
| Blue metal |
3 |
6 |
|
133 |
2 |
| COAL |
0 |
4 |
|
133 |
6 |
| Strong grey post, with whin balls |
7 |
9 |
|
141 |
3 |
| COAL |
0 |
6 |
|
141 |
9 |
| Strong grey metal |
7 |
6 |
|
149 |
3 |
| Grey metal |
7 |
0 |
|
156 |
3 |
| COAL |
0 |
7 |
|
156 |
10 |
| Seggar-clay |
2 |
0 |
|
158 |
10 |
| Strong grey metal |
31 |
8 |
|
190 |
6 |
| COAL - Five-Quarter Seam |
4 |
6 |
|
195 |
0 |
| COAL |
4 |
6 |
|
|
|
| Seggar-clay |
3 |
0 |
|
198 |
0 |
| Grey metal |
4 |
0 |
|
202 |
0 |
| Post girdles |
1 |
10 |
|
203 |
10 |
| Grey metal, with post girdles |
10 |
4 |
|
214 |
2 |
| Whin girdles |
2 |
0 |
|
216 |
2 |
| Blue metal |
6 |
0 |
|
222 |
2 |
| Whin panel |
3 |
1 |
|
225 |
3 |
| Grey metal |
12 |
0 |
|
237 |
3 |
| Blue metal |
9 |
9 |
|
247 |
0 |
| COAL - Brass Thill Seam |
4 |
8 |
|
251 |
8 |
| COAL |
4 |
8 |
|
|
|
| Seggar-clay |
2 |
1 |
|
253 |
9 |
| Leafy post |
16 |
9 |
|
270 |
6 |
| Strong grey metal with post gridles |
25 |
6 |
|
296 |
0 |
| Strong white post |
25 |
0 |
|
321 |
0 |
| Grey metal |
7 |
0 |
|
328 |
0 |
| Strong post |
40 |
0 |
|
368 |
0 |
| Strong grey metal |
17 |
0 |
|
385 |
0 |
| Strong grey metal, mixed with whin |
23 |
0 |
|
408 |
0 |
| Blue metal |
4 |
6 |
|
412 |
6 |
| Post |
4 |
6 |
|
417 |
0 |
| COAL - Maudlin Seam |
2 |
4 |
|
419 |
4 |
| COAL |
2 |
4 |
|
|
|
| Seggar clay |
2 |
0 |
|
421 |
4 |
| Leafy post |
8 |
0 |
|
429 |
4 |
| Blue metal |
8 |
0 |
|
437 |
4 |
| COAL - Low Main Seam |
4 |
6 |
|
441 |
10 |
| COAL |
4 |
6 |
|
|
|
| Seggar-clay |
1 |
0 |
|
442 |
10 |
| Strong post panel |
3 |
6 |
|
446 |
4 |
| Blue metal |
1 |
0 |
|
447 |
4 |
| Post, with whin |
2 |
8 |
|
450 |
0 |
| Grey metal |
8 |
0 |
|
458 |
0 |
| Strong post |
3 |
0 |
|
461 |
0 |
| Leafy post |
6 |
0 |
|
467 |
0 |
| Post |
2 |
6 |
|
469 |
6 |
| Blue metal |
2 |
6 |
|
472 |
0 |
| COAL - Hutton Seam |
4 |
2 |
|
476 |
2 |
| COAL |
4 |
2 |
|
|
|
| Seggar-clay |
5 |
6 |
|
481 |
8 |
| Blue metal, with iron girdles |
12 |
6 |
|
494 |
2 |
| Strong leafy post |
14 |
0 |
|
508 |
2 |
| Strong post |
48 |
0 |
|
556 |
2 |
| Strong leafy post, with iron girdles |
24 |
0 |
|
580 |
2 |
| Blue metal |
21 |
0 |
|
601 |
2 |
| COAL |
0 |
5 |
|
601 |
7 |
| Seggar-clay |
3 |
6 |
|
605 |
1 |
| Grey metal |
9 |
6 |
|
614 |
7 |
| COAL |
0 |
9 |
|
615 |
4 |
| Seggar-clay |
4 |
0 |
|
619 |
4 |
| Grey metal |
14 |
6 |
|
633 |
10 |
| COAL - Harvey Seam |
1 |
3 |
|
635 |
1 |
| COAL |
1 |
3 |
|
|
|
| Seggar-clay |
3 |
6 |
|
638 |
7 |
| Leafy post |
20 |
0 |
|
658 |
7 |
| Blue metal |
2 |
6 |
|
661 |
1 |
| COAL - Tilley or Constantine Seam |
1 |
8 |
|
662 |
9 |
| COAL |
1 |
8 |
|
|
|
| Seggar-clay |
4 |
4 |
|
667 |
1 |
| Post |
9 |
0 |
|
676 |
1 |
| COAL |
0 |
2 |
|
676 |
3 |
| Seggar-clay |
4 |
0 |
|
680 |
3 |
| Grey metal and leafy post |
17 |
0 |
|
697 |
3 |
| White leafy post |
24 |
0 |
|
721 |
3 |
| COAL - Busty Seam |
4 |
8 |
|
725 |
11 |
| COAL, top |
2 |
3 |
|
|
|
| Band |
0 |
5 |
|
|
|
| COAL, bottom |
2 |
0 |
|
|
|
| Seggar-clay |
4 |
6 |
|
730 |
5 |
| Seggar-clay, with iron girdles |
3 |
0 |
|
733 |
5 |
| Blue metal |
14 |
0 |
|
747 |
5 |
| Black metal |
5 |
2 |
|
752 |
7 |
| Strong grey post, mixed with whin |
26 |
8 |
|
779 |
3 |
| COAL - Three-Quarter Seam |
1 |
5 |
|
780 |
8 |
| COAL |
1 |
5 |
|
|
|
| Seggar-clay |
2 |
0 |
|
782 |
8 |
| Grey metal |
5 |
9 |
|
788 |
5 |
| Strong white post |
23 |
0 |
|
811 |
5 |
| Post girdles and grey metal |
5 |
0 |
|
816 |
5 |
| Blue metal |
0 |
10 |
|
817 |
3 |
| COAL - Brockwell Seam |
7 |
7 |
|
824 |
10 |
| COAL |
2 |
3 |
|
|
|
| Band |
3 |
3 |
|
|
|
| COAL |
2 |
1 |
|
|
|
| Seggar-clay |
3 |
0 |
|
827 |
10 |
| Seggar-clay, mixed with iron |
3 |
3 |
|
831 |
1 |
| COAL |
0 |
2 |
|
831 |
3 |
| Black band |
0 |
6 |
|
831 |
9 |
| COAL |
0 |
6 |
|
832 |
3 |
| Grey metal |
10 |
0 |
|
842 |
3 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910
 original entry for sinking/boring number 2395 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910"
main page for Beamish Colliery
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