Cart's Bog Colliery

Section of Cart's Bog Colliery

Shaft Details

Approximate surface level 765 feet above sea (Ordnance datum)

Geology encountered	Thickness		Depth
	ft.	in.	ft.	in.
Clay and rubble	9	2	9	2
Fire clay and plate	9	0	18	2
Grey beds	3	10	22	0
Post	3	8	25	8
Grey beds	0	10	26	6
Post	3	4	29	10
Plate	2	8	32	6
COAL - Three-Quarter Seam	2	6	35	0
Grey beds	6	0	41	0
Plate	18	4	59	4
COAL - Main Coal Seam	3	8	63	0
Thill	1	9	64	9
Grey beds	2	6	67	3
Post	7	9	75	0
Grey beds	9	9	84	9
Post	1	7	86	4
Grey beds	2	8	89	0
Post	1	5	90	5
Plate	21	7	112	0
COAL - Foot Seam	1	2	113	2
Post	20	0	133	2
Plate	4	0	137	2
COAL - Little Coal Seam	2	2	139	4
Thill	9	7	148	11
COAL - Stone Coal Seam	1	9	150	8
Blue metal	6	4	6	4
Plate	3	11	10	3
Post	3	11	14	2
Plate	1	1	15	3
Post	4	0	19	3
Plate	6	8	25	11
Post girdles	2	2	28	1
Plate	6	2	34	3
Girdles	1	1	35	4
Plate	5	2	40	6
Black-stone	0	9	41	3
Post girdles	5	11	47	2
Plate	17	0	64	2

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881

original entry for sinking/boring number 0402 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881"

original entry for sinking/boring number 2516 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881"

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