Greencroft Colliery
Account of the Strata sunk through at Greencroft Colliery
Shaft Details
Sunk: 04 Mar 1840
Approximate surface level 705 feet above sea (Ordnance datum)
Switch to measurements in:
fathoms, feet & inches, or metres
 
|
 
|
|
|
| Geology encountered |
Thickness |
|
Depth |
| |
ft. |
in. |
|
ft. |
in. |
| Dark brown clay |
9 |
0 |
|
9 |
0 |
| Grey freestone |
4 |
0 |
|
13 |
0 |
| Dark grey metal |
6 |
6 |
|
19 |
6 |
| Grey metal |
12 |
0 |
|
31 |
6 |
| Black metal |
2 |
6 |
|
34 |
0 |
| Grey metal, with ironstone girdles |
4 |
0 |
|
38 |
0 |
| Dark blue metal |
5 |
6 |
|
43 |
6 |
| Grey post |
4 |
0 |
|
47 |
6 |
| Grey metal |
8 |
6 |
|
56 |
0 |
| Soft black metal stone |
1 |
0 |
|
57 |
0 |
| Strong post girdles |
2 |
0 |
|
59 |
0 |
| Grey metal |
9 |
0 |
|
68 |
0 |
| Grey post girdles |
2 |
0 |
|
70 |
0 |
| Grey metal stone |
2 |
0 |
|
72 |
0 |
| COAL |
2 |
2 |
|
74 |
2 |
| Black stone |
0 |
4 |
|
74 |
6 |
| Grey metal |
9 |
0 |
|
83 |
6 |
| Dark metal, with coal pipes |
0 |
8 |
|
84 |
2 |
| Grey metal |
14 |
0 |
|
98 |
2 |
| Strong post |
43 |
6 |
|
141 |
8 |
| Soft grey post |
5 |
0 |
|
146 |
8 |
| Grey metal |
3 |
0 |
|
149 |
8 |
| COAL - Low Main Seam on Wear, Hutton Seam at Pontop |
6 |
9½ |
|
156 |
5½ |
| COAL |
3 |
3½ |
|
|
|
| Black stone |
1 |
10 |
|
|
|
| COAL |
1 |
8 |
|
|
|
| Black stone |
1 |
0 |
|
157 |
5½ |
| Blue metal |
2 |
7 |
|
160 |
0½ |
| COAL - Brass Thill Seam on the Wear |
5 |
10 |
|
165 |
10½ |
| COAL |
2 |
8 |
|
|
|
| Blue metal |
1 |
6 |
|
|
|
| COAL |
1 |
8 |
|
|
|
| Black stone |
1 |
0 |
|
166 |
10½ |
| Grey post |
3 |
0 |
|
169 |
10½ |
| Blue metal and ironstone girdles |
7 |
0 |
|
176 |
10½ |
| White post girdles |
1 |
0 |
|
177 |
10½ |
| Blue metal parting |
0 |
3½ |
|
178 |
2 |
| Grey post, with metal partings |
8 |
0 |
|
186 |
2 |
| White post, with metal partings |
5 |
0 |
|
191 |
2 |
| Strong grey post girdles |
1 |
6 |
|
192 |
8 |
| White post |
3 |
10 |
|
196 |
6 |
| Blue metal |
1 |
10 |
|
198 |
4 |
| White post girdles |
1 |
5 |
|
199 |
9 |
| White post, with metal partings |
5 |
6 |
|
205 |
3 |
| Blue metal, with post |
4 |
3 |
|
209 |
6 |
| COAL - Hutton Seam on the Wear, Main Coal at Pontop |
4 |
2 |
|
213 |
8 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885
original entry for sinking/boring number 0982 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885"
main page for Greencroft Colliery
