Page:Transactions of the Geological Society, 1st series, vol. 4.djvu/50

Strata sunk through in the A Pit, Bigge's Main Colliery, (Bored from High Main.)

Fs.

Ft.

In.

Fs.

Ft.

In.

Clay

17

─

─

Brought forward

104

3

─

Brown post with water

7

─

6

Strong post mixed with Whin

5

3

─

Coal

─

─

8

Coal ^[1]

─

─

9

Blue metal

1

5

─

Blue stone

4

3

─

Strong white post with water

1

3

─

Coal	[2]$\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.$
Black stone
Coal

─

1

2

Blue Metal stone

3

─

─

─

─

7

Coal

─

1

2

─

1

3

White post

4

─

─

Stong grey post

5

3

─

Grey post girdles with water

3

3

─

Blue stone with post girdles

4

2

9

Soft blue Metal stone

1

─

─

Coal

─

2

6

Strong white post mixed with whin

4

3

─

White post and girdles

2

1

─

Soft blue Metal stone

5

─

─

Ditto with whin and girdles

5

3

10

Coal

─

─

5

Blue stone

─

3

─

White post girdles

1

3

─

Ditto and grey girdles

1

3

─

Whin

─

3

4

Ditto and Whin girdles

1

3

─

Strong white post

2

1

─

Ditto mild

─

1

6

Coal

─

─

7

Coal	[3]$\left\{{\begin{matrix}\ \\\\\\\\\\\\\ \end{matrix}}\right.$
Grey Thil
Coal
White Thil
Coal
Blue Thil
Coal
Blue stone
Coal

─

─

3

Soft blue Thil

─

5

─

─

─

5

Post mixed with whin and water

2

3

8

─

─

2

Coal

─

─

8

─

3

─

Blue stone

2

4

4

─

─

7

Post mixed with scares of Coal

─

─

8

─

─

8

White post mixed with Whin

1

4

─

─

1

─

Blue Metal stone

1

2

─

─

─

6

[4] $\left\{{\begin{matrix}\ \\\\\\\ \end{matrix}}\right.$	Coal	[5]$\left\{{\begin{matrix}\ \\\\\\\ \end{matrix}}\right.$
	Strong white post with water
	Grey post with girdles
	Coal
	Grey Metal stone
	Coal

─

1

6

─

1

8

1

2

─

Strong grey post

─

5

─

1

4

6

Blue stone and Whin girdles

─

4

─

─

─

10

Coal

─

─

2

2

3

─

Strong white post mixed with whin

─

2

6

─

─

8

Whin

─

1

6

Strong white post mixed with whin^[6]

5

1

─

Grey post and Whin girdles

2

3

─

Grey girdles	[7]$\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.$
Blue and black metal
Coal

3

3

─

Blue stone

─

2

─

2

4

─

Coal (Unknown seam)

─

3

1

─

─

5

Grey post with Whin girdles

1

─

─

Grey Metal stone^[8]

1

3

─

Blue stone

─

5

─

Strong white post^[9]

5

─

5

Coal	[10]$\left\{{\begin{matrix}\ \\\\\\\\\\\\\ \end{matrix}}\right.$
Blue and grey metal
Strong post girdles mixed with Whin
Coal
Grey Metal stone
Coal
Grey Metal stone
Coal

─

2

6

Ditto with Coal pipes

1

3

─

1

─

6

Ditto with Whin

3

─

─

3

─

─

Ditto with Coal pipes

1

3

─

─

─

9

Grey Metal stone with hard girdles

1

2

─

3

─

7

Coal^[11] (High Main)

1

─

8

─

─

2

Blue stone with Whin girdles

4

3

─

─

─

8

Strong grey post

1

─

─

─

─

4

Coal	[12]$\left\{{\begin{matrix}\ \\\ \end{matrix}}\right.$
Blue stone
Coal

─

2

6

Grey post mild

─

4

─

3

3

─

Strong white post

4

2

─

─

─

6

Blue stone

─

3

─

───────

───────

Carried forward

104

3

─

Carried forward

159

1

4

1. Stone Coal of the Tyne.
2. Yard Coal of the Tyne, High Main Coal of the Wear.
3. Supposed to be the Benshaw Seam.
4. Called on the river Tyne, below Newcastle bridge, the 70 fathom Coal. On the river Wear it is called the Three quarter Coal.
5. Supposed to be the Three quarter Coal seam divided
6. Called on the Tyne the 70 fathom Post
7. Called on the Tyne the Black stone
8. Bottom part of Black stone.
9. The Main Post of the Tyne
10. Supposed to be the Six quarter seam divided.
11. High Main Coal of the Tyne
12. Metal Coal seam of the Tyne