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 Shafts  Index  Shafts 

Medomsley Colliery

Isabella Pit

Account of Strata sunk through in the Isabella Pit, Medomsley Colliery, 1898

Shaft Details

Sunk: 1898, Closed: 06 Oct 1972

Approximate surface level 862 feet above sea (Ordnance datum)

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












































































































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
Soil    0  8     0  8
Stiff blue clay, with boulders    6  7     7  3
Mild blue clay, with ironstone balls    4  8     11  11
Blue clay, with post girdles    15  8     27  7
Grey post    6  0     33  7
Blue metal, with post girdles    7  8     41  3
Whin    1  2     42  5
White post    5  2     47  7
Mild grey post    2  10     50  5
Very hard grey post    3  7     54  0
Blue metal, with post girdles    2  7     56  7
Hutton Seam Goaf: Fallen strata owing to crushed pillars underlying - Thickness of seam, as nearly as could be measured, 7 feet 11 inches    14  0     70  7
Grey metal    4  6     75  1
Grey post    2  4     77  5
Grey metal    2  8     80  1
Little Coal Seam Goaf: Fallen strata to thill of seam - Thickness of seam, as nearly as could be measured, about 2 feet    9  0     89  1
Grey metal, with post girdles    7  0     96  1
Grey post, with metal partings    5  4     101  5
COAL - Main Coal Seam    4  0     105  5
Grey metal    34  8     140  1
Strong grey metal    33  6     173  7
Grey post    4  0     177  7
Black metal stone    0  7     178  2
COAL    0  2     178  4
Grey metal    0  10     179  2
Grey post    9  6     188  8
COAL    0  7     189  3
Grey metal, with post girdles    24  6     213  9
Grey post    10  0     223  9
Blue metal    12  0     235  9
Grey post    8  0     243  9
COAL    0  4     244  1
Grey post    7  5     251  6
Grey metal    9  0     260  6
Mild blue metal, with ironstone girdles    16  7     277  1
COAL - Towneley Seam    2  3     279  4
    COAL, splint    0         
    Seggar-clay band    0         
    COAL    1  10¼       
Seggar-clay    4  6     283  10
Blue metal    12  8     296  6
COAL - Hodge Seam    0  8     297  2
Seggar-clay    3  1     300  3
Grey post    7  5     307  8
COAL - Tilley Seam    1  10     309  6
Seggar-clay    3  6     313  0
Blue metal    5  6     318  6
Strong grey metal    2  0     320  6
COAL - Hand Coal Seam    0  3     320  9
Seggar-clay    1  10     322  7
Very strong white post    12  7     335  2
Blue metal    8  9     343  11
Ironstone girdle    1  0     344  11
Black metal    4  2     349  1
COAL - Busty Bank Seam    7  6     356  7
    COAL    3  0       
    Band    1  4       
    COAL    3  2       
Seggar-clay    3  4     359  11
Grey metal    10  9     370  8
Hard white post    1  6     372  2
Grey metal    6  6     378  8
White post    2  0     380  8
Grey metal    6  0     386  8
White post    9  6     396  2
Black metal stone    0  9     396  11
White post, with metal partings    2  6     399  5
COAL - Three-Quarter or Pasture Drift Seam    3  6     402  11
    COAL    2  6       
    Stone band, with coal pipes    0  3       
    COAL    0  1       
    Stone band    0  3       
    COAL    0  5       
Seggar-clay    3  0     405  11
COAL    0  2     406  1
Seggar-clay    2  4     408  5
Grey metal    4  3     412  8
White post    0  10     413  6
COAL    0  4     413  10
Seggar-clay    3  10     417  8
Grey metal    2  7     420  3
Blue metal    2  6     422  9
White post    0  6     423  3
Blue metal    2  2     425  5
White post    0  3     425  8
Blue metal    0  6     426  2
White post    24  0     450  2
Whin    1  6     451  8
White post    2  6     454  2
Blue metal    0  10     455  0
COAL - Brockwell Seam    5  0     460  0
    COAL    2  7       
    Seggar-clay band    1  6       
    COAL    0  11       
Hard white post    16  11     476  11

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910

  original entry for sinking/boring number 2839 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910"

  main page for Medomsley Colliery

 


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