Brenkley Colliery
Air Shaft
Section of Strata sunk through at Brenkley Air Shaft. Commenced to sink, September 30th, 1870
Shaft Details
Sunk: 30 Sep 1870, Closed: 1985
Approximate surface level 200 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. |
| Peaty soil |
0 |
4 |
|
0 |
4 |
| Strong clay |
5 |
0 |
|
5 |
4 |
| Sand and gravel |
1 |
2 |
|
6 |
6 |
| Strong gravelly clay |
14 |
0 |
|
20 |
6 |
| Shivery white post |
16 |
7 |
|
37 |
1 |
| White post |
8 |
0 |
|
45 |
1 |
| Leafy post |
2 |
6 |
|
47 |
7 |
| Strong white post |
67 |
5 |
|
115 |
0 |
| COAL |
0 |
3 |
|
115 |
3 |
| Seggar clay |
0 |
4 |
|
115 |
7 |
| COAL |
0 |
3 |
|
115 |
10 |
| COAL - Bensham Seam |
5 |
5 |
|
121 |
3 |
| Seggar clay |
3 |
4 |
|
|
|
| COAL |
2 |
1 |
|
|
|
| Seggar clay |
2 |
0 |
|
123 |
3 |
| Strong white post |
2 |
6 |
|
125 |
9 |
| Grey metal stone |
1 |
6 |
|
127 |
3 |
| Strong grey post |
0 |
10 |
|
128 |
1 |
| Blue metal and ironstone girdles |
1 |
9 |
|
129 |
10 |
| COAL |
0 |
9 |
|
130 |
7 |
| Seggar clay |
0 |
4 |
|
130 |
11 |
| Blue metal |
3 |
2 |
|
134 |
1 |
| Grey metal |
6 |
4 |
|
140 |
5 |
| Strong white post |
14 |
5 |
|
154 |
10 |
| Grey metal |
2 |
10 |
|
157 |
8 |
| Grey post |
1 |
3 |
|
158 |
11 |
| Grey metal |
4 |
7 |
|
163 |
6 |
| Blue metal |
6 |
0 |
|
169 |
6 |
| Mussel-shell bed |
1 |
0 |
|
170 |
6 |
| Grey metal |
2 |
3 |
|
172 |
9 |
| COAL - Low Main Seam |
4 |
4 |
|
177 |
1 |
| Band |
0 |
2 |
|
|
|
| COAL, top |
0 |
3½ |
|
|
|
| COAL, grey |
0 |
3 |
|
|
|
| COAL, good |
3 |
4 |
|
|
|
| Stone parting |
0 |
1 |
|
|
|
| COAL, bottom |
0 |
2½ |
|
|
|
|
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 0291 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"
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