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Black Prince Colliery
Section of the Black Prince Pit, on Cornsay Fell, near Tow Law, 1846
Shaft Details
Sunk: 1846, Closed: 1933
Approximate surface level 1005 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. |
| Strong stony clay |
18 |
0 |
|
18 |
0 |
| Brown sandstone |
2 |
0 |
|
20 |
0 |
| COAL - called the Balarat Seam |
2 |
3 |
|
22 |
3 |
| Fireclay |
2 |
3 |
|
24 |
6 |
| Grey sandstone |
0 |
11 |
|
25 |
5 |
| Grey shale |
2 |
3 |
|
27 |
9 |
| Grey post girdle |
0 |
9 |
|
28 |
6 |
| Blue shale, with two irregular bands of ironstone (average 2 in.) |
2 |
3 |
|
30 |
10 |
| COAL - Five-Quarter Seam |
3 |
5 |
|
34 |
3 |
| Mild fireclay, without ironstone |
2 |
4 |
|
36 |
7 |
| Strong fireclay, with nodules of ironstone |
3 |
8 |
|
40 |
3 |
| Strong fireclay, without ironstone |
1 |
6 |
|
41 |
9 |
| Mild grey sandstone |
0 |
10 |
|
42 |
7 |
| Ironstone band |
0 |
2 |
|
42 |
9 |
| Grey post girdle |
1 |
2 |
|
44 |
0 |
| Grey shale |
1 |
8 |
|
45 |
8 |
| Grey post girdle |
1 |
7 |
|
47 |
3 |
| Grey shale |
1 |
1 |
|
48 |
4 |
| Strong white sandstone |
5 |
2 |
|
53 |
6 |
| Strong grey shale |
2 |
9 |
|
56 |
3 |
| Mild grey shale, with ironstone nodules |
2 |
0 |
|
58 |
3 |
| Blue shale * |
9 |
3 |
|
67 |
6 |
| Ironstone band |
0 |
2 |
|
67 |
8 |
| Grey shale |
1 |
5 |
|
69 |
1 |
| Ironstone band |
0 |
1 |
|
69 |
2 |
| Grey shale |
1 |
11 |
|
71 |
2 |
| Ironstone band |
0 |
1 |
|
71 |
3 |
| Grey shale |
1 |
5 |
|
72 |
8 |
| Ironstone band |
0 |
1 |
|
72 |
9 |
| Grey shale |
0 |
11 |
|
73 |
9 |
| Ironstone band |
0 |
1 |
|
73 |
10 |
| Blue shale |
1 |
2 |
|
75 |
0 |
| COAL |
0 |
10 |
|
75 |
10 |
| Grey sandstone |
2 |
9 |
|
78 |
8 |
| Coal parting |
0 |
0 |
|
78 |
8 |
| Fireclay |
1 |
3 |
|
80 |
0 |
| Grey sandstone |
0 |
4 |
|
80 |
4 |
| Fireclay, with few nodules of ironstone |
4 |
9 |
|
85 |
1 |
| Mild grey sandstone |
2 |
2 |
|
87 |
3 |
| Hard silicious girdle |
1 |
10 |
|
89 |
1 |
| Mild grey sandstone |
3 |
0 |
|
92 |
1 |
| Ironstone girdle (silicious) |
0 |
5 |
|
92 |
7 |
| Mild grey sandstone |
3 |
6 |
|
96 |
1 |
| Ironstone girdle (silicious) |
0 |
5 |
|
96 |
7 |
| Mild grey sandstone |
0 |
7 |
|
97 |
2 |
| White post girdle |
0 |
9 |
|
97 |
11 |
| Grey sandstone |
0 |
4 |
|
98 |
3 |
| White post girdle |
0 |
3 |
|
98 |
6 |
| Grey sandstone |
0 |
11 |
|
99 |
5 |
| White post girdle |
0 |
2 |
|
99 |
7 |
| Grey sandstone |
0 |
6 |
|
100 |
1 |
| White sandstone |
1 |
0 |
|
101 |
1 |
| Grey shale |
0 |
11 |
|
102 |
0 |
| White post girdle |
0 |
7 |
|
102 |
7 |
| Grey shale |
3 |
10 |
|
106 |
6 |
| Strong grey sandstone |
1 |
8 |
|
108 |
2 |
| Ironstone girdle |
0 |
4 |
|
108 |
6 |
| Grey shale |
1 |
6 |
|
110 |
1 |
| Ironstone band, irregular, average |
0 |
3 |
|
110 |
4 |
| Grey shale |
1 |
7 |
|
111 |
11 |
| Ironstone band, irregular, average |
0 |
2 |
|
112 |
2 |
| Grey shale |
3 |
6 |
|
115 |
8 |
| Ironstone, bottom band, irregular |
0 |
2 |
|
115 |
10 |
| Grey shale |
2 |
2 |
|
118 |
0 |
| COAL - Main Coal Seam |
7 |
6 |
|
125 |
6 |
| COAL - Top part of the Main Coal |
2 |
9 |
|
|
|
| Fireclay band ** |
0 |
11 |
|
|
|
| COAL - Bottom part of the Main Coal |
3 |
10 |
|
|
|
| Black slate |
0 |
3 |
|
125 |
9 |
| Grey sandstone |
1 |
4 |
|
127 |
1 |
| White sandstone |
0 |
9 |
|
127 |
10 |
| Grey sandstone |
1 |
7 |
|
129 |
5 |
| Grey sandstone, with nodules |
1 |
1 |
|
130 |
6 |
| Grey shale |
0 |
5 |
|
130 |
11 |
| Ironstone, irregular |
0 |
1 |
|
131 |
0 |
| Grey shale |
1 |
0 |
|
132 |
0 |
| Nodule band, irregular |
0 |
1 |
|
132 |
1 |
| Grey shale |
0 |
7 |
|
132 |
8 |
| Nodule band, irregular |
0 |
1 |
|
132 |
10 |
| Grey shale |
0 |
10 |
|
133 |
8 |
| Ironstone band, irregular |
0 |
1 |
|
133 |
9 |
| Grey shale |
1 |
10 |
|
135 |
7 |
| Ironstone band, irregular |
0 |
1 |
|
135 |
8 |
| Grey shale |
1 |
1 |
|
136 |
9 |
| Ironstone, irregular |
0 |
1 |
|
136 |
10 |
| Blue shale |
1 |
0 |
|
137 |
10 |
| COAL |
0 |
3 |
|
138 |
1 |
| Grey shaley sandstone |
1 |
4 |
|
139 |
5 |
| * These three Stata varied in thickness in other parts near, down to 3 feet |
0 |
0 |
|
139 |
5 |
| ** This band quickly increased in thickness to the East, till the top and bottom coals because two distinct seams of coal |
0 |
0 |
|
139 |
5 |
|
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 0221 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 Prince Colliery
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