Burdon Main Colliery

Chance Pit

Account of Strata sunk through in the Chance Pit, Burdon Main Colliery, to the High Main Seam

Shaft Details

Approximate surface level 130 feet above sea (Ordnance datum)

Switch to measurements in: fathoms, feet & inches, or metres

Geology encountered	Thickness		Depth
	ft.	in.	ft.	in.
Clay	60	0	60	0
Brown post	60	0	120	0
Blue metal	10	0	130	0
Blue metal	11	0	141	0
Black metal	15	0	156	0
COAL	0	6	156	6
White post	54	0	210	6
COAL - High Main Seam	5	6	216	0
Grey metal	56	0	272	0
Black metal	1	6	273	6
COAL - Metal Coal Seam	2	6	276	0
Grey and blue metal girdles	30	0	306	0
Blue metal	15	0	321	0
Black metal	18	0	339	0
COAL, splint	0	5	339	5
Grey metal	18	0	357	5
Grey post	6	0	363	5
Blue metal	12	0	375	5
COAL - Bensham Seam?	6	7	382	0
COAL	1	5
Metal stone	0	3
COAL	0	11
Metal stone	0	5
COAL	0	3
Metal stone	0	6
COAL	2	10

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878

original entry for sinking/boring number 0322 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878"

original entry for sinking/boring number 0323 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878"

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