Strata sunk through in Percy Main Engine Pit. 1800.
Northumberland.
Fs. | Ft. | In. | Fs. | Ft. | In. | ||||||||
Blue Stony clay | 13 | ─ | 6 | Brought forward | 67 | 4 | 4 | ||||||
Sand | ─ | 2 | 1 | Whin | ─ | 1 | 6 | ||||||
Blue Stony clay | 11 | 2 | 1 | Grey metal with Whin girdles | 1 | ─ | 8 | ||||||
Dry ditto | ─ | 5 | 6 | Post girdles | 1 | 2 | 6 | ||||||
Leafy ditto | ─ | 2 | 6 | Grey Metal stone | ─ | 3 | 9 | ||||||
Sand with a small feeder of water | ─ | 1 | 8 | Black metal mixed with Coal | ─ | 1 | 3 | ||||||
Sand and clay | ─ | 2 | 3 | Grey metal | ─ | 1 | 4 | ||||||
Strong clay | ─ | 2 | 4 | Skamy white post | 1 | 2 | 6 | ||||||
Gravel | ─ | 1 | ─ | Grey metal with girdles | ─ | 5 | ─ | ||||||
Sand with water | ─ | 1 | 11 | Black stone | ─ | ─ | 8 | ||||||
Leafy clay | 1 | 3 | 4 | Grey metal with girdles | 2 | 3 | 10 | ||||||
Sand with much water | ─ | 4 | 1 | Coal | ─ | 1 | ─ | ||||||
Gravel | ─ | 3 | 10 | Thil | ─ | 1 | 1 | ||||||
Brown skamy post[1] | 1 | 2 | 2 | Greyish post | 1 | 2 | 9 | ||||||
Very soft grey metal | ─ | 2 | ─ | White metal | ─ | 4 | ─ | ||||||
Blue metal | ─ | 5 | ─ | White post | 7 | 4 | ─ | ||||||
Lightish grey post | 1 | 2 | ─ | Black stone | ─ | 1 | 9 | ||||||
Very hard black stone | ─ | 3 | 6 | Grey metal with girdles | ─ | ─ | 10 | ||||||
Soft dark grey metal | ─ | 1 | ─ | Coal (A) | ─ | ─ | 2 | ||||||
White Metal parting | ─ | 1 | 1 | Grey metal | ─ | 2 | ─ | ||||||
Grey Metal girdles | 5 | ─ | ─ | Coal | ─ | 1 | 2 | ||||||
Redish post with partings | 4 | 3 | ─ | Grey metal with girdles | 1 | 2 | 6 | ||||||
Lightish grey post | 5 | ─ | ─ | Grey Metal stone | 1 | ─ | 4 | ||||||
Redish post with partings | ─ | 1 | ─ | White post | 10 | 4 | 6 | ||||||
Whitish post | ─ | 3 | ─ | Black stone | ─ | 1 | 6 | ||||||
Soft red metal with partings | ─ | 3 | ─ | Skamy post | 1 | ─ | ─ | ||||||
Very course bluish post | 4 | 1 | 6 | Whin | ─ | 1 | 4 | ||||||
Brownish Metal mixed with post | 1 | 2 | ─ | Skamy post | ─ | 3 | 8 | ||||||
Blue Metal mixed with post girdles | 1 | 1 | ─ | Blue stone with girdles | 1 | 5 | ─ | ||||||
Grey ditto ditto | 3 | ─ | ─ | Dark blue metal | 1 | 2 | ─ | ||||||
Grey Metal stone | 2 | 2 | 10 | Black stone | 1 | 3 | 6 | ||||||
|
─ | ─ | 6 | Coal | ─ | ─ | 6 | ||||||
─ | 2 | ─ | Grey Metal stone | ─ | 3 | ─ | |||||||
─ | 1 | ─ | Grey skamy post | ─ | 4 | ─ | |||||||
Whin girdles | ─ | ─ | 6 | Main post | 9 | ─ | 3 | ||||||
Dark grey metal with girdles | 1 | 5 | ─ |
|
─ | 3 | |||||||
Dark blue metal | 1 | 1 | ─ | ─ | ─ | 2 | |||||||
Grey metal | ─ | 5 | ─ | ─ | 2 | 10 | |||||||
───────── | ───────── | ||||||||||||
Carried forward | 67 | 4 | 4 | Total Depth | 119 | 1 | ─ |
- ↑ Stone Head