74
SOUTH STAFFORDSHIRE.
Conduit Colliery Brown Hills, north of Watling Street.
| FT. | IN. | FT. | IN. | |
| Shallow coal | 6 | 0 | ||
| Bastard fire-clay | 5 | 10 | ||
| Rock binds | 4 | 2 | ||
| Rock, with peldon | 7 | 7 | ||
| Rock binds | 2 | 9 | ||
| Rock | 2 | 4 | ||
| Rock binds | 25 | 7 | ||
| Black batt | 0 | 7 | ||
| Deep coal (roof) | 1 | 1 | ||
| Fire-clay | 3 | 7 | ||
| Deep coal | 5 | 0 | ||
| 52 | 5 | 12 | 1 | |
| Total | 64 | 6 | ||
(See Vertical Sections, sheet 26, No. 42.)
Hammerwich Colliery, below the dam of the Reservoir.
| FT. | IN. | FT. | IN. | |
| Coal (shallow) | 7 | 1 | ||
| [1]Warren earth (fire-clay ?) | 3 | 0 | – | |
| Grey leys | 3 | 8 | – | |
| Rock binds | 0 | 5 | – | |
| Metals (shales) | 5 | 7 | – | |
| Rock | 4 | 8 | – | |
| Blue metals | 0 | 11 | – | |
| Rock binds | 0 | 6 | – | |
| Blue metals | 3 | 0 | – | |
| Rock binds | 0 | 8 | – | |
| Blue metals | 1 | 6 | – | |
| Rock binds | 0 | 5 | – | |
| Metals and iron binds | 25 | 1 | – | |
| Black shale | 0 | 6 | – | |
| Coal(roof of deep) | – | 0 | 7 | |
| Clod | 0 | 6 | – | |
| Coal (deep) | 5 | 2 | ||
| 50 | 4 | 12 | 10 | |
| Total | 63 | 2 | ||
(See Vertical Sections, sheet 16, No. 2.)
33. Measures between the Bottom coal and the Gubbin and Balls ironstone.—The Bottom coal usually rests on a bed of fire-clay some feet in thickness. In many instances, however, this is wanting, and the coal rests on hard sandstone, the change from one material to the other being sometimes very abrupt. Wherever the Gubbin and Balls ironstone exists, it is found at a distance below the Bottom coal varying from 5 feet to 30 feet, the most usual distance being 15
- ↑ Warren earth and some of the other terms used in this section are those common in the Derbyshire, Nottingham, and Yorkshire coal-field.
