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 Shafts  Index  Shafts 

Ludworth Colliery

Account of strata sunk through at Ludworth Colliery

Shaft Details

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




















































































































Geology encountered   Thickness   Depth
  ft. in.   ft. in.
Soil    0  6     0  6
Strong blue clay    119  6     120  0
Limestone marl    3  0     123  0
Limestone, with sandy partings (water from 37 fathoms)    105  4     228  4
Yellow limestone    16  0     244  4
Blue limestone    31  0     275  4
Grey metal stone    3  4     278  8
Grey and brown post    29  8     308  4
Metal parting    0  4     308  8
Red and grey post, with water    18  0     326  8
Red and blue metal stone    5  2½     331  10½
Grey post and metal stone    3  0     334  10½
Blue metal    6  6     341  4½
COAL    0  2     341  6½
Blue metal, with ironstone girdles    4  7     346  1½
Post girdles, with metal stone partings    32  6     378  7½
Red and white post, mixed in thin girdles    30  0     408  7½
Blue metal    1  8     410  3½
Black stone    0  9     411  0½
COAL, splint    0  10     411  10½
Light blue metal    6  6     418  4½
Black stone    0  4     418  8½
Light blue metal stone    1  3½     420  0
Light blue metal stone    29  8½     449  8½
Dark blue metal stone    2  10     452  6½
Black metal    1  10     454  4½
Thill stone    2  9     457  1½
Blue metal    9  6     466  7½
Post girdles and metal partings    4  2     470  9½
Grey metal stone    7  7     478  4½
COAL - Three-Quarter Seam    7  6     485  10½
COAL - Five-Quarter Seam    3  10½     489  9
Black stone    0  6     490  3
Grey thill stone    7  5     497  8
Grey metal stone    18  0     515  8
Grey metal stone, with post girdles    16  1     531  9
Grey metal stone    9  10     541  7
White post    6  6     548  1
Mild white post, near bottom, with 4 gallons of water per minute    47  6     595  7
COAL - Main Coal Seam    3  2     598  9
Grey thill stone    4  6     603  3
Grey metal stone    13  6     616  9
COAL    0  2     616  11
Grey metal stone    15  0     631  11
COAL    0  3     632  2
Black stone    0  6     632  8
Post    6  0     638  8
Grey metal stone    11  0     649  8
COAL    0  10     650  6
Grey metal stone    1  8     652  2
Post    32  10     685  0
Grey metal stone    0  8     685  8
Post    9  1     694  9
Post, with metal stone partings    6  0     700  9
Post    17  6     718  3
Softish blue metal    6  0     724  3
COAL - Low Main Seam    3  1     727  4
Thill stone    4  6     731  10
Post girdles    1  0     732  10
Grey metal stone    6  6     739  4
Blue metal    6  6     745  10
Grey metal stone    12  4     758  2
Black stone    1  6     759  8
COAL, splint    0  6     760  2
Grey and white post, with metal stone partings    9  7     769  9
Grey metal stone    5  1     774  10
COAL - Brass Thill Seam    3  1     777  11
    COAL    0  6       
    Dark grey metal    1  10       
    COAL    0  9       
Strong grey thill stone    2  8     780  7
Post, with metal partings    6  0     786  7
Grey metal stone    22  7     809  2
Post girdles, with metal partings    5  0     814  2
Grey metal stone    5  0     819  2
Post girdles    1  0     820  2
Grey metal stone    2  0     822  2
Confused post    3  0     825  2
COAL - Hutton Seam    5  6½     830  8½
Black stone    0  8     831  4½
Thill stone    4  0     835  4½

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887

  original entry for sinking/boring number 1307 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume L-R, published by the North of England Institute of Mining & Mechanical Engineers, 1887"

  main page for Ludworth Colliery

 


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