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Dean and Chapter Colliery
Dean Pit
Account of Strata sunk through in the Dean Pit, Dean and Chapter Colliery, Ferry Hill, 1904
Shaft Details
Sunk: 1904, Closed: 15 Jan 1966
Approximate surface level 430 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. |
| Loamy clay and stones |
5 |
6 |
|
5 |
6 |
| Brown shale |
4 |
6 |
|
10 |
0 |
| Black shale |
1 |
6 |
|
11 |
6 |
| Grey metal |
8 |
8 |
|
20 |
2 |
| Brown metal |
1 |
0 |
|
21 |
2 |
| Blue metal |
29 |
1 |
|
50 |
3 |
| Black shale |
1 |
9 |
|
52 |
0 |
| Blue metal |
10 |
0 |
|
62 |
0 |
| Black shale |
0 |
7 |
|
62 |
7 |
| Blue metal |
1 |
10 |
|
64 |
5 |
| COAL - Three-Quarter Seam |
1 |
2 |
|
65 |
7 |
| Black shale |
0 |
7 |
|
66 |
2 |
| Blue metal |
17 |
3 |
|
83 |
5 |
| Whin panel |
0 |
10 |
|
84 |
3 |
| Blue metal |
0 |
10 |
|
85 |
1 |
| White post |
1 |
7 |
|
86 |
8 |
| Blue metal, with post girdles |
7 |
6 |
|
94 |
2 |
| COAL - Five-Quarter Seam |
5 |
3 |
|
99 |
5 |
| Soft seggar-clay |
0 |
3 |
|
99 |
8 |
| Grey metal, with post girdles |
22 |
4 |
|
122 |
0 |
| COAL |
0 |
5 |
|
122 |
5 |
| Grey metal, with post girdles |
36 |
0 |
|
158 |
5 |
| Strong grey post |
7 |
4 |
|
165 |
9 |
| COAL - Main Coal Seam |
5 |
1 |
|
170 |
10 |
| COAL |
1 |
2 |
|
|
|
| Band |
0 |
9 |
|
|
|
| COAL |
3 |
2 |
|
|
|
| Seggar-clay |
4 |
6 |
|
175 |
4 |
| Blue metal |
6 |
6 |
|
181 |
10 |
| Grey post |
17 |
0 |
|
198 |
10 |
| White post |
6 |
0 |
|
204 |
10 |
| Grey metal, with post girdles |
11 |
7 |
|
216 |
5 |
| Soft blue metal |
24 |
0 |
|
240 |
5 |
| Grey post |
1 |
0 |
|
241 |
5 |
| COAL |
1 |
9 |
|
243 |
2 |
| COAL |
0 |
5 |
|
|
|
| Seggar-clay |
0 |
5 |
|
|
|
| COAL |
0 |
11 |
|
|
|
| Black stone |
1 |
8 |
|
244 |
10 |
| Grey metal |
5 |
3 |
|
250 |
1 |
| COAL |
1 |
7½ |
|
251 |
8½ |
| Seggar-clay |
6 |
0 |
|
257 |
8½ |
| Blue metal |
5 |
0 |
|
262 |
8½ |
| COAL |
0 |
8 |
|
263 |
4½ |
| Grey metal, with post girdles |
38 |
8½ |
|
302 |
1 |
| COAL - Low Main Seam |
1 |
8 |
|
303 |
9 |
| Seggar-clay |
2 |
8 |
|
306 |
5 |
| Grey metal, with iron stone girdles |
34 |
0 |
|
340 |
5 |
| White post, with metal girdles |
15 |
4 |
|
355 |
9 |
| COAL |
1 |
6 |
|
357 |
3 |
| Grey metal, with post girdles |
6 |
9 |
|
364 |
0 |
| COAL |
0 |
9½ |
|
364 |
9½ |
| Soft seggar-clay |
0 |
8 |
|
365 |
5½ |
| Hard dark grey post |
1 |
5 |
|
366 |
10½ |
| Leafy grey post |
17 |
10 |
|
384 |
8½ |
| Grey metal |
10 |
1½ |
|
394 |
10 |
| Black stone |
0 |
2½ |
|
395 |
0½ |
| COAL |
2 |
2½ |
|
397 |
3 |
| COAL |
0 |
4½ |
|
|
|
| Dant |
0 |
3 |
|
|
|
| COAL |
0 |
6 |
|
|
|
| Band |
0 |
3 |
|
|
|
| COAL |
0 |
10 |
|
|
|
| White post |
0 |
9 |
|
398 |
0 |
| Leafy grey metal |
23 |
0½ |
|
421 |
0½ |
| COAL - Hutton Seam |
2 |
2 |
|
423 |
2½ |
| Grey post |
13 |
6 |
|
436 |
8½ |
| Grey metal, with post girdles |
6 |
11½ |
|
443 |
8 |
| Black stone |
1 |
7½ |
|
445 |
3½ |
| Hard seggar-clay |
5 |
5½ |
|
450 |
9 |
| Leafy blue metal |
4 |
0 |
|
454 |
9 |
| Hard grey post |
58 |
4 |
|
513 |
1 |
| Hard grey with patches of whin |
50 |
4 |
|
563 |
5 |
| Blue metal |
6 |
8 |
|
570 |
1 |
| Black stone, with coal |
7 |
9 |
|
577 |
10 |
| Seggar-clay |
4 |
6 |
|
582 |
4 |
| Grey post |
50 |
3 |
|
632 |
7 |
| Dark grey leafy post |
4 |
6 |
|
637 |
1 |
| Dark blue metal |
3 |
10 |
|
640 |
11 |
| COAL - Harvey Seam |
4 |
0 |
|
644 |
11 |
| Seggar-clay |
13 |
4 |
|
658 |
3 |
| Blue metal |
10 |
3 |
|
668 |
6 |
| Black stone |
5 |
2 |
|
673 |
8 |
| COAL |
0 |
7 |
|
674 |
3 |
| Blue metal |
9 |
2 |
|
683 |
5 |
| Grey post, with metal girdles |
25 |
4 |
|
708 |
9 |
| Black stone |
2 |
0 |
|
710 |
9 |
| COAL |
4 |
6 |
|
715 |
3 |
| COAL |
1 |
0 |
|
|
|
| Hard seggar-clay |
2 |
1 |
|
|
|
| COAL |
1 |
5 |
|
|
|
| Blue metal |
33 |
8 |
|
748 |
11 |
| Black band |
0 |
11 |
|
749 |
10 |
| COAL - Top Busty Seam |
2 |
11 |
|
752 |
9 |
| Very hard seggar-clay |
5 |
10½ |
|
758 |
7½ |
| Grey post |
3 |
10½ |
|
762 |
6 |
| COAL - Bottom Busty Seam |
2 |
8 |
|
765 |
2 |
| Dant |
0 |
5 |
|
765 |
7 |
| Seggar-clay |
1 |
4 |
|
766 |
11 |
| Leafy white post |
41 |
6 |
|
808 |
5 |
| Blue and black shale |
8 |
9 |
|
817 |
2 |
| COAL |
1 |
5 |
|
818 |
7 |
| Grey post, with ironstone girdles |
17 |
2 |
|
835 |
9 |
| COAL |
0 |
11 |
|
836 |
8 |
| Black stone |
15 |
4 |
|
852 |
0 |
| COAL |
0 |
4 |
|
852 |
4 |
| Dark grey leafy post |
18 |
5 |
|
870 |
9 |
| Black stone |
2 |
6 |
|
873 |
3 |
| COAL - Brockwell Seam |
4 |
10 |
|
878 |
1 |
| COAL |
0 |
6 |
|
|
|
| COAL, splint |
0 |
6 |
|
|
|
| COAL |
3 |
10 |
|
|
|
| Hard seggar-clay, mixed with post |
2 |
0 |
|
880 |
1 |
| Grey post |
17 |
9 |
|
897 |
10 |
| Blue metal |
4 |
8 |
|
902 |
6 |
| Seggar-clay, mixed with blue metal |
27 |
10 |
|
930 |
4 |
|
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 2713 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 Dean and Chapter Colliery
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