Hartford Bridge Quarry
Strata bored through in Hartford Bridge Quarry, belonging to the Earl of Carlisle. January, 1838
Shaft Details
Approximate surface level 120 feet above sea (Ordnance datum)
|
 
|
|
|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Freestone |
24 |
0 |
|
24 |
0 |
| Freestone girdles, mixed with metal partings |
30 |
0 |
|
54 |
0 |
| Blue metal |
2 |
0 |
|
56 |
0 |
| COAL - Five Quarter Seam |
2 |
0 |
|
58 |
0 |
| COAL, good |
2 |
0 |
|
58 |
0 |
| Soft thill |
1 |
4 |
|
59 |
4 |
| Grey band |
1 |
1 |
|
60 |
5 |
| Ironstone girdles |
0 |
4 |
|
60 |
9 |
| Blue parting |
0 |
1 |
|
60 |
10 |
| Whin |
1 |
1 |
|
61 |
11 |
| Blue metal |
3 |
3 |
|
65 |
2 |
| Black jet |
0 |
3 |
|
65 |
5 |
| COAL |
0 |
10 |
|
66 |
3 |
| Thill |
0 |
4 |
|
66 |
7 |
| Dark metal |
0 |
6 |
|
67 |
1 |
| Freestone |
1 |
8 |
|
68 |
9 |
| Ironstone |
0 |
6 |
|
69 |
3 |
| White freestone |
4 |
0 |
|
73 |
3 |
| Grey freestone |
10 |
0 |
|
83 |
3 |
| Dark grey freestone |
7 |
0 |
|
90 |
3 |
| Post |
0 |
8 |
|
90 |
11 |
| Blue metal |
2 |
0 |
|
92 |
11 |
| White freestone |
2 |
0 |
|
94 |
11 |
| Blue metal |
0 |
6 |
|
95 |
5 |
| White freestone |
1 |
2 |
|
96 |
7 |
| Whin |
3 |
0 |
|
99 |
7 |
| Dark metal partings |
0 |
3 |
|
99 |
10 |
| White freestone |
1 |
9 |
|
101 |
7 |
| Blue metal partings |
0 |
4 |
|
101 |
11 |
| White freestone |
3 |
0 |
|
104 |
11 |
| Blue grey metal stone |
4 |
2 |
|
109 |
1 |
| Strong girdles |
0 |
3 |
|
109 |
4 |
| Grey metal |
1 |
9 |
|
111 |
1 |
| Post girdle |
0 |
2 |
|
111 |
3 |
| Grey metal |
1 |
7 |
|
112 |
10 |
| Ironstone |
0 |
1 |
|
112 |
11 |
| Blue metal |
0 |
3 |
|
113 |
2 |
| Ironstone |
0 |
1 |
|
113 |
3 |
| Blue metal |
0 |
9 |
|
114 |
0 |
| Ironstone |
0 |
1 |
|
114 |
1 |
| Brown stone (shale bed) |
1 |
8 |
|
115 |
9 |
| Blue metal and ironstone |
3 |
10 |
|
119 |
7 |
| COAL - Low Main Seam |
6 |
6 |
|
126 |
1 |
| COAL |
0 |
4½ |
|
126 |
1 |
| Sea Level |
0 |
0 |
|
126 |
1 |
| COAL |
6 |
1½ |
|
126 |
1 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887
original entry for sinking/boring number 1400 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887"
main page for Hartford Bridge Quarry
