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 Shafts  Index  Shafts 

Black Prince Colliery

Section of the Black Prince Pit, on Cornsay Fell, near Tow Law, 1846

Shaft Details

Sunk: 1846, Closed: 1933

Approximate surface level 1005 feet above sea (Ordnance datum)

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







































































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
Strong stony clay    18  0     18  0
Brown sandstone    2  0     20  0
COAL - called the Balarat Seam    2  3     22  3
Fireclay    2  3     24  6
Grey sandstone    0  11     25  5
Grey shale    2  3     27  9
Grey post girdle    0  9     28  6
Blue shale, with two irregular bands of ironstone (average 2 in.)    2  3     30  10
COAL - Five-Quarter Seam    3  5     34  3
Mild fireclay, without ironstone    2  4     36  7
Strong fireclay, with nodules of ironstone    3  8     40  3
Strong fireclay, without ironstone    1  6     41  9
Mild grey sandstone    0  10     42  7
Ironstone band    0  2     42  9
Grey post girdle    1  2     44  0
Grey shale    1  8     45  8
Grey post girdle    1  7     47  3
Grey shale    1  1     48  4
Strong white sandstone    5  2     53  6
Strong grey shale    2  9     56  3
Mild grey shale, with ironstone nodules    2  0     58  3
Blue shale *    9  3     67  6
Ironstone band    0  2     67  8
Grey shale    1  5     69  1
Ironstone band    0  1     69  2
Grey shale    1  11     71  2
Ironstone band    0  1     71  3
Grey shale    1  5     72  8
Ironstone band    0  1     72  9
Grey shale    0  11     73  9
Ironstone band    0  1     73  10
Blue shale    1  2     75  0
COAL    0  10     75  10
Grey sandstone    2  9     78  8
Coal parting    0  0     78  8
Fireclay    1  3     80  0
Grey sandstone    0  4     80  4
Fireclay, with few nodules of ironstone    4  9     85  1
Mild grey sandstone    2  2     87  3
Hard silicious girdle    1  10     89  1
Mild grey sandstone    3  0     92  1
Ironstone girdle (silicious)    0  5     92  7
Mild grey sandstone    3  6     96  1
Ironstone girdle (silicious)    0  5     96  7
Mild grey sandstone    0  7     97  2
White post girdle    0  9     97  11
Grey sandstone    0  4     98  3
White post girdle    0  3     98  6
Grey sandstone    0  11     99  5
White post girdle    0  2     99  7
Grey sandstone    0  6     100  1
White sandstone    1  0     101  1
Grey shale    0  11     102  0
White post girdle    0  7     102  7
Grey shale    3  10     106  6
Strong grey sandstone    1  8     108  2
Ironstone girdle    0  4     108  6
Grey shale    1  6     110  1
Ironstone band, irregular, average    0  3     110  4
Grey shale    1  7     111  11
Ironstone band, irregular, average    0  2     112  2
Grey shale    3  6     115  8
Ironstone, bottom band, irregular    0  2     115  10
Grey shale    2  2     118  0
COAL - Main Coal Seam    7  6     125  6
    COAL - Top part of the Main Coal    2  9       
    Fireclay band **    0  11       
    COAL - Bottom part of the Main Coal    3  10       
Black slate    0  3     125  9
Grey sandstone    1  4     127  1
White sandstone    0  9     127  10
Grey sandstone    1  7     129  5
Grey sandstone, with nodules    1  1     130  6
Grey shale    0  5     130  11
Ironstone, irregular    0  1     131  0
Grey shale    1  0     132  0
Nodule band, irregular    0  1     132  1
Grey shale    0  7     132  8
Nodule band, irregular    0  1     132  10
Grey shale    0  10     133  8
Ironstone band, irregular    0  1     133  9
Grey shale    1  10     135  7
Ironstone band, irregular    0  1     135  8
Grey shale    1  1     136  9
Ironstone, irregular    0  1     136  10
Blue shale    1  0     137  10
COAL    0  3     138  1
Grey shaley sandstone    1  4     139  5
* These three Stata varied in thickness in other parts near, down to 3 feet    0  0     139  5
** This band quickly increased in thickness to the East, till the top and bottom coals because two distinct seams of coal    0  0     139  5

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 0221 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"

  main page for Black Prince Colliery

 


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