Black Shield Bog Colliery
Account of the Borings at Black Shield Bog Colliery, July 20th, 1808
Shaft Details
Sunk: 20 Jul 1808, Closed: 1880's
Approximate surface level 908 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres
|
 
|
|
|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Soil |
0 |
6 |
|
0 |
6 |
| Blue stony clay, with whin tumblers (put in 2 fathom boxes) |
14 |
6 |
|
15 |
0 |
| Dark blue metal |
4 |
6 |
|
19 |
6 |
| Dark grey metal, mixed with coal |
1 |
6 |
|
21 |
0 |
| Strong grey post |
4 |
10 |
|
25 |
10 |
| Grey metal stone, with hard post girdles |
7 |
2 |
|
33 |
0 |
| Black slaty stone |
3 |
6 |
|
36 |
6 |
| Grey metal |
1 |
0 |
|
37 |
6 |
| Black stone |
2 |
0 |
|
39 |
6 |
| Grey post |
21 |
0 |
|
60 |
6 |
| Grey metal |
5 |
6 |
|
66 |
0 |
| Black stone |
4 |
0 |
|
70 |
0 |
| Dark grey metal |
0 |
6 |
|
70 |
6 |
| COAL |
1 |
2 |
|
71 |
8 |
| Dark grey metal stone, with girdles |
4 |
4 |
|
76 |
0 |
| Strong grey post, with water |
3 |
0 |
|
79 |
0 |
| Grey whin (got Aug. 17th; through 29th) |
4 |
0 |
|
83 |
0 |
| Thready grey post, with water |
4 |
0 |
|
87 |
0 |
| Grey metal stone, with hard post girdles and water |
16 |
0 |
|
103 |
0 |
| Ironstone girdle or lump - two days |
0 |
6 |
|
103 |
6 |
| Black stone |
4 |
6 |
|
108 |
0 |
| COAL, foul |
0 |
5 |
|
108 |
5 |
| COAL |
0 |
6 |
|
108 |
11 |
| Whin or ironstone - two days |
0 |
6 |
|
109 |
5 |
| White stone |
4 |
8 |
|
114 |
1 |
| Grey metal stone, with girdles |
18 |
0 |
|
132 |
1 |
| Grey metal |
4 |
0 |
|
136 |
1 |
| Grey metal, mixed with coal |
0 |
3 |
|
136 |
4 |
| Grey metal |
0 |
6 |
|
136 |
10 |
| Grey metal, mixed with coal |
1 |
3 |
|
138 |
1 |
| Whitish grey metal |
6 |
2 |
|
144 |
3 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878
original entry for sinking/boring number 0222 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878"
main page for Black Shield Bog Colliery
