Ashgill Head (Lead Ore)
Account of Strata sunk through in the Ashgillhead Mine, Upper Teesdale
Shaft Details
Approximate surface level 1750 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. |
| Plate |
32 |
0 |
|
32 |
0 |
| High Slate Sill |
9 |
6 |
|
41 |
6 |
| Plate |
4 |
0 |
|
45 |
6 |
| Low Slate Sill (a) |
12 |
0 |
|
57 |
6 |
| Plate |
45 |
8 |
|
103 |
2 |
| Ironstone |
12 |
0 |
|
115 |
2 |
| Plate, till bed and coal |
6 |
9 |
|
121 |
11 |
| Fire-stone (b) |
38 |
0 |
|
159 |
11 |
| Plate |
31 |
0 |
|
190 |
11 |
| Pattinson's Sill |
3 |
0 |
|
193 |
11 |
| Plate |
12 |
0 |
|
205 |
11 |
| Little Limestone |
4 |
0 |
|
209 |
11 |
| White silll |
12 |
0 |
|
221 |
11 |
| Plate and coal |
9 |
0 |
|
230 |
11 |
| High coal Sill |
18 |
0 |
|
248 |
11 |
| Plate and coal |
9 |
0 |
|
257 |
11 |
| Low Coal Sill |
18 |
0 |
|
275 |
11 |
| Plate |
8 |
0 |
|
283 |
11 |
| Great Limestone |
57 |
0 |
|
340 |
11 |
| Tuft |
15 |
0 |
|
355 |
11 |
| Grey beds |
5 |
0 |
|
360 |
11 |
| Plate |
11 |
0 |
|
371 |
11 |
| Quarry Hazle |
12 |
0 |
|
383 |
11 |
| Plate |
42 |
0 |
|
425 |
11 |
| Four Fathoms Limestone © |
22 |
0 |
|
447 |
11 |
| Grey beds |
3 |
0 |
|
450 |
11 |
| Nattrass Gill Hazle |
12 |
0 |
|
462 |
11 |
| (a) Random of High Level. |
0 |
0 |
|
462 |
11 |
| (b) Random of Middle Level. |
0 |
0 |
|
462 |
11 |
| (c) Random of Low Level. |
0 |
0 |
|
462 |
11 |
| NOTE: The Great Limestone, Fire-stone, and Slate Sills produced a large quantity of lend-ore. |
0 |
0 |
|
462 |
11 |
|
Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910
original entry for sinking/boring number 2850 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910"
main page for Ashgill Head (Lead Ore)